Jun Zhang created FLINK-9444:
--------------------------------
Summary: KafkaAvroTableSource failed to work for map fields
Key: FLINK-9444
URL: https://issues.apache.org/jira/browse/FLINK-9444
Project: Flink
Issue Type: Bug
Components: Table API & SQL
Affects Versions: 1.6.0
Reporter: Jun Zhang
Fix For: 1.6.0
Once some Avro schema has map 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, String> 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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