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https://issues.apache.org/jira/browse/FLINK-19629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213667#comment-17213667
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shizhengchao commented on FLINK-19629:
--------------------------------------
This is a duplicate of FLINK-19622
> Avro format cause NullPointException，as null value in MAP type's value type
> ----------------------------------------------------------------------------
>
> Key: FLINK-19629
> URL: https://issues.apache.org/jira/browse/FLINK-19629
> Project: Flink
> Issue Type: Bug
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Affects Versions: 1.11.2
> Reporter: shizhengchao
> Priority: Critical
> Fix For: 1.12.0
>
>
> create table tableA (
> name STRING,
> hobly MAP<STRING, STRING>,
> phone STRING
> ) with (
> 'connector' = 'kafka-0.11',
> 'topic' = 'ShizcTest',
> 'properties.bootstrap.servers' = 'localhost:9092',
> 'properties.group.id' = 'ShizcTest',
> 'scan.startup.mode' = 'earliest-offset',
> 'format' = 'avro'
> );
> if hobly have an null value like this:
> {"name": "shizc", "hobly": {"key1":null}, "phone": "1104564"}
> cause an NullPointException:
> {code:java}
> java.io.IOException: Failed to deserialize Avro record.
> at
> org.apache.flink.formats.avro.AvroRowDataDeserializationSchema.deserialize(AvroRowDataDeserializationSchema.java:150)
> at
> org.apache.flink.formats.avro.AvroRowDataDeserializationSchema.deserialize(AvroRowDataDeserializationSchema.java:75)
> at
> org.apache.flink.api.common.serialization.DeserializationSchema.deserialize(DeserializationSchema.java:81)
> at
> org.apache.flink.streaming.connectors.kafka.internals.KafkaDeserializationSchemaWrapper.deserialize(KafkaDeserializationSchemaWrapper.java:56)
> at
> org.apache.flink.streaming.connectors.kafka.internal.Kafka010Fetcher.runFetchLoop(Kafka010Fetcher.java:147)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:755)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63)
> at
> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:201)
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.flink.formats.avro.AvroRowDataDeserializationSchema.lambda$createConverter$57e941b$5(AvroRowDataDeserializationSchema.java:252)
> at
> org.apache.flink.formats.avro.AvroRowDataDeserializationSchema.lambda$createMapConverter$7941d275$1(AvroRowDataDeserializationSchema.java:315)
> at
> org.apache.flink.formats.avro.AvroRowDataDeserializationSchema.lambda$createNullableConverter$c3bac5d8$1(AvroRowDataDeserializationSchema.java:221)
> at
> org.apache.flink.formats.avro.AvroRowDataDeserializationSchema.lambda$createRowConverter$80d8b6bd$1(AvroRowDataDeserializationSchema.java:206)
> at
> org.apache.flink.formats.avro.AvroRowDataDeserializationSchema.deserialize(AvroRowDataDeserializationSchema.java:148)
> ... 8 common frames omitted
> {code}
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