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https://issues.apache.org/jira/browse/FLINK-19817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek updated FLINK-19817:
-------------------------------------
Component/s: (was: Connectors / FileSystem)
Table SQL / Ecosystem
> Is FileSystem source unsupported?
> ---------------------------------
>
> Key: FLINK-19817
> URL: https://issues.apache.org/jira/browse/FLINK-19817
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Ecosystem
> Reporter: CloseRiver
> Priority: Minor
>
> When I create a table with filesystem connector + parquet format.Then read
> from the table and received the following exception.
>
> {code:java}
> java.lang.UnsupportedOperationException: Complex types not supported. at
> org.apache.flink.formats.parquet.vector.ParquetColumnarRowSplitReader.checkSchema(ParquetColumnarRowSplitReader.java:226)
> at
> org.apache.flink.formats.parquet.vector.ParquetColumnarRowSplitReader.<init>(ParquetColumnarRowSplitReader.java:144)
> at
> org.apache.flink.formats.parquet.vector.ParquetSplitReaderUtil.genPartColumnarRowReader(ParquetSplitReaderUtil.java:131)
> at
> org.apache.flink.formats.parquet.ParquetFileSystemFormatFactory$ParquetInputFormat.open(ParquetFileSystemFormatFactory.java:204)
> at
> org.apache.flink.formats.parquet.ParquetFileSystemFormatFactory$ParquetInputFormat.open(ParquetFileSystemFormatFactory.java:159)
> at
> org.apache.flink.streaming.api.functions.source.InputFormatSourceFunction.run(InputFormatSourceFunction.java:85)
> 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)
> {code}
> Then I found the description in official document
>
> `File system sources for streaming is still under development. In the future,
> the community will add support for common streaming use cases, i.e.,
> partition and directory monitoring.`
> means that read from flilesystem is not supported currently.
> But the above exception make users confused.If there is a msg about reading
> from filesystem is unsupported will be friendly.
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