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https://issues.apache.org/jira/browse/FLINK-9444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510559#comment-16510559
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ASF GitHub Bot commented on FLINK-9444:
---------------------------------------

Github user tragicjun commented on the issue:

    https://github.com/apache/flink/pull/6082
  
    @suez1224 @twalthr any update please?


> KafkaAvroTableSource failed to work for map and array fields
> ------------------------------------------------------------
>
>                 Key: FLINK-9444
>                 URL: https://issues.apache.org/jira/browse/FLINK-9444
>             Project: Flink
>          Issue Type: Bug
>          Components: Kafka Connector, Table API & SQL
>    Affects Versions: 1.6.0
>            Reporter: Jun Zhang
>            Priority: Blocker
>              Labels: patch
>             Fix For: 1.6.0
>
>         Attachments: flink-9444.patch
>
>
> When some Avro schema has map/array fields and the corresponding TableSchema 
> declares *MapTypeInfo/ListTypeInfo* for these fields, an exception will be 
> thrown when registering the *KafkaAvroTableSource*, complaining like:
> Exception in thread "main" org.apache.flink.table.api.ValidationException: 
> Type Map<String, Integer> of table field 'event' does not match with type 
> GenericType<java.util.Map> of the field 'event' of the TableSource return 
> type.
>  at org.apache.flink.table.api.ValidationException$.apply(exceptions.scala:74)
>  at 
> org.apache.flink.table.sources.TableSourceUtil$$anonfun$validateTableSource$1.apply(TableSourceUtil.scala:92)
>  at 
> org.apache.flink.table.sources.TableSourceUtil$$anonfun$validateTableSource$1.apply(TableSourceUtil.scala:71)
>  at 
> scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
>  at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
>  at 
> org.apache.flink.table.sources.TableSourceUtil$.validateTableSource(TableSourceUtil.scala:71)
>  at 
> org.apache.flink.table.plan.schema.StreamTableSourceTable.<init>(StreamTableSourceTable.scala:33)
>  at 
> org.apache.flink.table.api.StreamTableEnvironment.registerTableSourceInternal(StreamTableEnvironment.scala:124)
>  at 
> org.apache.flink.table.api.TableEnvironment.registerTableSource(TableEnvironment.scala:438)



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