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doc-exports/docs/mrs/component-operation-guide/mrs_01_24072.html
Yang, Tong 6182f91ba8 MRS component operation guide_normal 2.0.38.SP20 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2022-12-09 14:55:21 +00:00

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UnsupportedOperationException Is Reported When Updated Data Is Written

Question

The following error is reported when data is written:

java.lang.UnsupportedOperationException: org.apache.parquet.avro.AvroConverters$FieldIntegerConverter

Answer

This error will occur again because schema evolutions are in non-backwards compatible mode. Basically, there is some update U for a record R which is already written to the Hudi dataset in the Parquet file. R contains field F which includes certain data type, that is long. U has the same field F with the int data type. Parquet FS does not support incompatible data type conversions.

For such errors, perform valid data type conversions in the data source where you collect data.

Parent topic: Data Write