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Wang , Deng Ke
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com> Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
19 lines
2.5 KiB
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19 lines
2.5 KiB
HTML
<a name="rds_faq_0021"></a><a name="rds_faq_0021"></a>
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<h1 class="topictitle1">What Should I Do If a Database Client Problem Causes a Connection Failure?</h1>
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<div id="body8662426"><p id="rds_faq_0021__a00739d7c344a4adab0a9494b1650569a">Troubleshoot RDS connection failures caused by a client problem by checking the following items:</p>
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<ol id="rds_faq_0021__of5b029c8107345cababc47082d86c6d1"><li id="rds_faq_0021__l51c20ec84afb4c1aae81febfcad973bf"><span id="rds_faq_0021__text1538316415553">ECS</span> Security Policy<p id="rds_faq_0021__a3e656b9d8d5c400ca23e3d72c94c12e2">In Windows, check whether the <span id="rds_faq_0021__text69131136152614">RDS</span> instance port is enabled in the Windows security policy. In Linux, run <strong id="rds_faq_0021__b19368229144315">iptables</strong> to check whether the RDS DB instance port is enabled in firewall settings.</p>
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</li><li id="rds_faq_0021__lc54e125bfc6942369ba74970045beeb6">Application Configuration<p id="rds_faq_0021__a38fec32d6e774cb68680506dc7deba7a"><a name="rds_faq_0021__lc54e125bfc6942369ba74970045beeb6"></a><a name="lc54e125bfc6942369ba74970045beeb6"></a>Check whether the connection address, port parameter configuration, and JDBC connection parameter configuration are correct.</p>
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</li><li id="rds_faq_0021__le5f72ea1dd824a8fa1e34ab4271d8e15">Username or Password<p id="rds_faq_0021__a35eec9d5cb8e4a539c071e7ad324fe52"><a name="rds_faq_0021__le5f72ea1dd824a8fa1e34ab4271d8e15"></a><a name="le5f72ea1dd824a8fa1e34ab4271d8e15"></a>Check whether the username or password is correct if an error similar to the following occurs during RDS DB connection:</p>
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<ul id="rds_faq_0021__u12e527b9f1304a5ea8a279547d27a728"><li id="rds_faq_0021__ldbc731415b484b5b9b05b4d00330ccb7">[Warning] Access denied for user 'username'@'yourIp' (using password: NO)</li><li id="rds_faq_0021__l6f73703b5ab641a19728772cbaecb317">[Warning] Access denied for user 'username'@'yourIp' (using password: YES)</li><li id="rds_faq_0021__l1f04f7fcab08491ea0e33653af8766f9">Login failed for user 'username'</li></ul>
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</li></ol>
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<div class="note" id="rds_faq_0021__ndb22ab2f8d7c4299b3d9524aad09f9bb"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="rds_faq_0021__aaaf8477536e9444f8cb835d76fde02c0">If the problem persists, contact post-sales technical support.</p>
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</div></div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rds_faq_0141.html">Database Connection</a></div>
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</div>
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</div>
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