hailong wang created FLINK-20089:
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Summary: Avro format fails to serialize map value with null keys
Key: FLINK-20089
URL: https://issues.apache.org/jira/browse/FLINK-20089
Project: Flink
Issue Type: Bug
Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
Affects Versions: 1.12.0
Reporter: hailong wang
When AvroRowDataSerializationSchema serializing map data with null keys, it
will throw NPE.
This is the same as
[FLINK-19912|https://issues.apache.org/jira/projects/FLINK/issues/FLINK-19912]
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