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https://issues.apache.org/jira/browse/FLINK-19509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu updated FLINK-19509:
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Summary: Support MULTISET type for JSON format (was: ClassCastException
for MULTISET type of JsonRowDataDeserializationSchema and
JsonRowDataSerializationSchema)
> Support MULTISET type for JSON format
> --------------------------------------
>
> Key: FLINK-19509
> URL: https://issues.apache.org/jira/browse/FLINK-19509
> Project: Flink
> Issue Type: Bug
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Affects Versions: 1.11.0
> Reporter: hailong wang
> Assignee: hailong wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> For JsonToRowDataConverters#createNotNullConverter and
> RowDataToJsonConverters#
> createNotNullConverter, We force the multiset type to be a Map type. This
> will cause exception:
> {code:java}
> java.lang.ClassCastException:
> org.apache.flink.table.types.logical.MultisetType cannot be cast to
> org.apache.flink.table.types.logical.MapType{code}
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