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https://issues.apache.org/jira/browse/PARQUET-1541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16780293#comment-16780293
]
Qinghui Xu commented on PARQUET-1541:
-------------------------------------
Hello, [~theCoder]
Could you provide your protobuf schema? Also, what version of parquet-mr are
you using?
> ClassCastException
> ------------------
>
> Key: PARQUET-1541
> URL: https://issues.apache.org/jira/browse/PARQUET-1541
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Affects Versions: 1.10.1
> Reporter: the coder
> Priority: Major
> Labels: parquetWriter
>
> Hi
> I'm writing protobuf to Parquet using ProtoParquetWriter, i'm also writing to
> local HDFS and write only one file.
> my code running in a bit data environment.
> the problem is that after about 30 min of run i'm starting to get exception
> like this:
>
> java.lang.ClassCastException: org.apache.parquet.io.MessageColumnIO cannot be
> cast to org.apache.parquet.io.PrimitiveColumnIO
> at
> org.apache.parquet.io.MessageColumnIO$MessageColumnIORecordConsumer.getColumnWriter(MessageColumnIO.java:432)
> at
> org.apache.parquet.io.MessageColumnIO$MessageColumnIORecordConsumer.addLong(MessageColumnIO.java:449)
> at
> org.apache.parquet.proto.ProtoWriteSupport$LongWriter.writeRawValue(ProtoWriteSupport.java:294)
> at
> org.apache.parquet.proto.ProtoWriteSupport$FieldWriter.writeField(ProtoWriteSupport.java:145)
> at
> org.apache.parquet.proto.ProtoWriteSupport$MessageWriter.writeAllFields(ProtoWriteSupport.java:229)
> at
> org.apache.parquet.proto.ProtoWriteSupport$MessageWriter.writeTopLevelMessage(ProtoWriteSupport.java:194)
>
> I printed the message that cause to this error and I can't see any problem
> with it.
> any idea?
>
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