:original_name: ddm_api_01_0061.html .. _ddm_api_01_0061: Error Codes =========== +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Status Code | Error Code | Error Message | Solution | +=================+=================+=================================================================================================================================+====================================================================================================================================================================================================================================================================================================================================================================================================================================================+ | 400 | DBS.280001 | Parameter error. | Refresh the page, modify some parameters, and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300002 | Server failure. | Refresh the page and try again later. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300005 | Failed to process the request. Contact technical support. | ``-`` | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300100 | Failed to create the schema. | Check whether the DDM instance is available, whether the instance is in the **Running** state, whether the RDS instance is being scaled, and whether the schema name is duplicated. If the schema name is duplicated, modify the name and send the request again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300101 | Failed to delete the schema. | Check whether the schema has been deleted and whether the associated RDS instance exists or becomes abnormal. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300102 | The number of RDS instances associated with the schema is invalid. | Check whether the number of RDS instances associated with the schema is valid and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300103 | The RDS instance does not exist or it is not in the same VPC as the schema. | Check whether the RDS DB instance exists and whether the DB instance is in the same VPC as the required DDM instance, and then try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300104 | The sharding rule of the schema is invalid. | Ensure that the sharding rule is valid and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300106 | The number of shards per RDS instance is invalid. | Check whether the number of shards per RDS instance in the request is correct. If not, modify the number and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300107 | The accounts are duplicated. | Check whether the accounts configured in parameters are duplicated and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300108 | The RDS instances are duplicated. | Check whether there are duplicate RDS instances in the request. If yes, modify them and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300109 | The schema name is invalid. | Check whether the schema name is valid. If no, modify it and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300110 | The status of the RDS instance does not allow associating with the schema. | Resolve the RDS instance status exception and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300112 | This schema name already exists. | Check whether a schema with the same name exists. If yes, modify the name and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300113 | Failed to create a physical database. | Check whether the RDS instance administrator and password are correct. If no, modify them and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300114 | The administrator or password is incorrect. | Check whether the RDS administrator and password are correct. If no, modify them and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300115 | Failed to delete the shard. | To delete the schema, check whether there are RDS instances associated with it. If the associated RDS DB instances have been deleted, click **Synchronize DB Instance Data** on the **Basic Information** page and delete the schema again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300116 | Failed to query available RDS instances. | Check whether the RDS service is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300117 | Failed to obtain the associated RDS instances. | Check whether the RDS service is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300118 | Failed to scale out the schema. | Check input parameters in the request. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300120 | Failed to obtain task information. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300121 | Failed to clear source data. | Ensure that the scale-out task exists and is in the valid state and that the administrator password of the destination RDS instance is correct, and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300122 | Failed to roll back the scale-out task. | Ensure that the scale-out task exists and is in the valid state and that the administrator password of the destination RDS instance is correct, and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300123 | Failed to retry the scale-out task. | Ensure that the scaling out task exists and its status is normal, and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300125 | Failed to synchronize RDS information. | Ensure that the RDS service is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300127 | The number of shards in the RDS instances associated with the schema is invalid. | Ensure that the total number of shards in the associated RDS DB instances is valid and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300128 | Failed to query schema information. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300129 | Failed to query schema information. | Ensure that the schema exists and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300130 | Invalid schema status. | Ensure that the schema is in the **Running** state and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300131 | Failed to update the schema SQL blacklist. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300132 | Failed to query the schema SQL blacklist. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300133 | The RDS instance is being used to scale out a schema. | Ensure that the RDS DB instance status is not **Scaling out** or **Scaling failed** and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300134 | The schema status does not allow rolling back or canceling the scale-out task. | Refresh the page and try again later. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300135 | Failed to update the relative read weight of the RDS instance. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300300 | Failed to create a DDM account | Ensure that the DDM instance, schema, and account exist and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300301 | Failed to update the account. | Ensure that the account and associated schema exist and that the password meets the requirements, and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300302 | Failed to delete the account. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300305 | Invalid DDM account name. | Ensure that the account name is valid and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300306 | The account password is invalid. | Ensure that the account name and password in the request body are correct and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300307 | The account description is invalid. | Ensure that the maximum length of account description does not exceed 256 characters and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300309 | The account basic permissions are invalid. | Ensure that basic permissions configured for the account are correct and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300310 | The account extended permissions are invalid. | Ensure that extended permissions configured for the account are correct and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300311 | The account already exists. | Ensure that the account name is unique and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300312 | Failed to query the account. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300313 | Failed to configure the SQL blacklist. | Ensure that the schema exists and is in the **Running** state, and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300314 | Failed to modify the read/write policy. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300315 | Invalid read/write relative weight. | Ensure that the weight is greater than 0 and less than 100. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300316 | Failed to query the read/write policy. | Ensure that the DDM instance is running properly and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300322 | Failed to save instance metadata. | Provide environment information, instance ID, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300323 | The associated RDS instance is unavailable or this operation cannot be performed when the RDS instance is in the current state. | Ensure that the associated RDS DB instance exists and is in normal state, and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300327 | The account does not exist. | Ensure that the account exists and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300328 | Failed to reset the password. | Ensure that the account exists and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300329 | Failed to obtain the step name. | Try again or roll back the scale-out task. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300330 | Failed to convert the string from JSON to the required format. | Provide environment information, involved operations, instance ID, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300331 | Data migration error. | Provide environment information, involved operations, instance ID, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300332 | The scale-out task timed out. | Try again or roll back the scale-out task. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300333 | Failed to check the time zone. | Log in to the RDS console. In the instance list, locate the source RDS instance and click its name. In the navigation pane, choose **Parameters**, search for **time_zone** in the upper right text box to check its value. Then, perform these operations on the target RDS instance, and check whether its **time_zone** value is consistent with the source instance. If not, modify it to ensure that the two values are consistent and retry. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300334 | **sql_mode** check failed. | Log in to the RDS console. In the instance list, locate the source RDS instance and click its name. In the navigation pane, choose **Parameters**, search for **sql_mode** in the upper right text box to check its value. Then, perform these operations on the target RDS instance, and check whether its **sql_mode** value is consistent with the source instance. If not, modify it to ensure that the two values are consistent and retry. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300335 | Failed to obtain the RDS link. | Check whether the RDS service is running properly. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300336 | Physical database not found. | Log in to the associated RDS instance and execute **SHOW DATABASES**. Check whether there is a physical database whose name starts with the schema name, and whether the number of physical databases must be the same as the number of shards in the schema. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300337 | Failed to check the primary key. | Check whether there are tables without primary keys. If yes, add primary keys for those tables and retry. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300338 | Failed to disable DDL or DML. | Provide environment information, instance ID, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300339 | Failed to insert a scale-out subtask. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300340 | Failed to change statuses of scale-out subtasks to **Initialization**. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300341 | Failed to issue a scale-out subtask. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300342 | Failed to obtain scale-out subtasks. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300343 | The volume of remaining subtask data is invalid. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300344 | Status check for scale-out task failed. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300345 | Failed to obtain information about the scale-out task. | Try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300346 | Failed to obtain information about the DDM process. | Try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300347 | Failed to disable the link. | Try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300348 | Failed to obtain subtasks during data verification. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300349 | Failed to update the schema status during route switching. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300350 | The required data is not found. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300351 | Failed to change statuses of scale-out subtasks to **Error**. | Contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300352 | Failed to change statuses of scale-out subtasks to **Stop**. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300353 | Data verification failed. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300354 | Failed to change statuses of scale-out subtasks to **Complete**. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300355 | Schema creation failed. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300356 | Failed to connect to the RDS DB instance. | Check whether the RDS service is running properly. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300357 | The RDS instance administrator or password is incorrect. | If the RDS instance administrator is incorrect, log in to the RDS console, locate the required RDS instance and click its name, and view the administrator on the instance details page. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300358 | There is a schema where source data is not cleared. | Log in to the DDM console, switch to the schema management page, locate the target schema, and click **Clear** in the **Operation** column. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300360 | The associated instance does not support this operation. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300362 | The scaling method is invalid. | Select either one of rebalance and reshard. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300363 | Pre-check failed. | Provide environment information, involved operations, and symptom description and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300364 | Failed to check disk space of the DB instance. | Perform the following operations to scale up disk space of the DB instance: | | | | | | | | | | #. Log in to the management console. | | | | | #. Hover on the left menu to display **Service List** and choose **Database** > **Relational Database Service**. | | | | | #. On the **Instance Management** page, locate the required DB instance and click its name. | | | | | #. On the **Basic Information** page, locate the **Storage Space** part. | | | | | #. Click **Scale** and try again after the scaling is complete. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300365 | Failed to update metadata. | Retry the scale-out task. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300366 | Failed to rename physical tables during migration. | Retry the scale-out task. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300367 | Failed to clear source data. | Try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300368 | Parameter **lower_case_table_names** of the DB instance is invalid. | Perform the following operations to scale up disk space of the DB instance: | | | | | | | | | | #. Log in to the management console. | | | | | #. Hover on the left menu to display **Service List** and choose **Database** > **Relational Database Service**. | | | | | #. On the **Instance Management** page, locate the required DB instance and click its name. | | | | | #. Choose **Parameters** in the left navigation pane, search for **lower_case_table_names** and verify that its value is **1** and retry. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300369 | Failed to configure access control. Contact technical support. | View DBS-ddm-instancemanager logs and DBS-resource-manager logs and modify as follows: | | | | | | | | | | - If error code APIG.xxxx is returned, indicating that you have no permission to access the API, contact ELB O&M engineers to grant the user the required permission. | | | | | | | | | | View the URI of the API in the resource management INFO log. | | | | | | | | | | - If an error code containing **ELB.**\ *xxxx* is displayed, contact ELB O&M engineers to locate the fault. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300370 | Load balancing is not enabled for the current DDM instance. To enable it, contact technical support. | If needed, go to DBS Operation System to enable access control for the required DDM instance. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300371 | Creating a test DDM instance is not supported. To enable this function, contact technical support. | Creating DDM instances using the engine ID of a stable version is recommended. To create a test DDM instance, go to the DBS Operation System platform to add the user to the whitelist. | | | | | | | | | | View the DDM instance management logs to obtain the whitelist name. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300372 | Invalid destination DDM instance. | Create a DDM instance as the destination instance. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300375 | Invalid **{param}**. | Change the value of **{param}** and try again. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300376 | The time zone is invalid. | Enter a correct time zone. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300377 | Invalid time range. | #. Ensure that the format of the time range for route switching is HH:mm:ss. | | | | | #. Ensure that the route switching start time and end time are the same day and the interval is longer than 1 hour. | | | | | #. Retry after completing the above operations. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300379 | The operation is not allowed for this type of tasks. | Enter the ID of the required schema scale-out task. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300400 | The task is not found. | Enter a valid task ID. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300401 | Failed to modify the automatic route switching time range. | Provide environment information, involved operations, symptom description, and tenant node logs and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300402 | Failed to switch the route manually. | Provide environment information, involved operations, symptom description, and tenant node logs and contact technical support. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300405 | The schema name length is invalid. | Ensure that the schema name contains 2 to 24 characters. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300406 | The schema name cannot contain keyword *keyword*. | Ensure that the schema name does not contain **information_schema**, **mysql**, **performance_schema**, and **sys**. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300407 | The schema name cannot contain uppercase letters. | Enter a schema name that only consists of lowercase letters. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 400 | DBS.300408 | Failed to check the RDS connectivity. | #. Upgrade Agent to 2.6.1 or later. | | | | | #. Provide environment information, involved operations, symptom description and contact O&M engineers to check whether the Agent is faulty. | +-----------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+