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Posted to dev@flume.apache.org by "Brock Noland (JIRA)" <ji...@apache.org> on 2013/01/08 00:38:12 UTC
[jira] [Commented] (FLUME-1771) JDBCChannel does not work with
FlumeAvroEvent Serializer
[ https://issues.apache.org/jira/browse/FLUME-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13546411#comment-13546411 ]
Brock Noland commented on FLUME-1771:
-------------------------------------
Note this is because reflection is being used to find the field names of the object.
> JDBCChannel does not work with FlumeAvroEvent Serializer
> --------------------------------------------------------
>
> Key: FLUME-1771
> URL: https://issues.apache.org/jira/browse/FLUME-1771
> Project: Flume
> Issue Type: Bug
> Reporter: Brock Noland
>
> {noformat}
> 2012-12-04 14:24:25,111 (lifecycleSupervisor-1-4) [INFO - org.apache.flume.sink.RollingFileSink.start(RollingFileSink.java:135)] RollingFileSink fileSink-1 started.
> 2012-12-04 14:24:25,145 (lifecycleSupervisor-1-2) [INFO - org.apache.flume.source.NetcatSource.start(NetcatSource.java:164)] Created serverSocket:sun.nio.ch.ServerSocketChannelImpl[/127.0.0.1:33333]
> 2012-12-04 14:24:25,593 (SinkRunner-PollingRunner-DefaultSinkProcessor) [WARN - org.apache.flume.channel.jdbc.impl.JdbcTransactionImpl.rollback(JdbcTransactionImpl.java:102)] Marking transaction for rollback
> 2012-12-04 14:24:25,594 (SinkRunner-PollingRunner-DefaultSinkProcessor) [INFO - org.apache.flume.channel.jdbc.impl.JdbcTransactionImpl.close(JdbcTransactionImpl.java:118)] Attempting transaction roll-back
> 2012-12-04 14:24:25,604 (SinkRunner-PollingRunner-DefaultSinkProcessor) [ERROR - org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:160)] Unable to deliver event. Exception follows.
> org.apache.flume.EventDeliveryException: Failed to process transaction
> at org.apache.flume.sink.RollingFileSink.process(RollingFileSink.java:218)
> at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
> at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.apache.avro.file.DataFileWriter$AppendWriteException: java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.util.Map
> at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:263)
> at org.apache.flume.serialization.AbstractAvroEventSerializer.write(AbstractAvroEventSerializer.java:108)
> at org.apache.flume.sink.RollingFileSink.process(RollingFileSink.java:195)
> ... 3 more
> Caused by: java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.util.Map
> at org.apache.avro.generic.GenericDatumWriter.getMapSize(GenericDatumWriter.java:174)
> at org.apache.avro.generic.GenericDatumWriter.writeMap(GenericDatumWriter.java:159)
> at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:68)
> at org.apache.avro.reflect.ReflectDatumWriter.write(ReflectDatumWriter.java:104)
> at org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:105)
> at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:65)
> at org.apache.avro.reflect.ReflectDatumWriter.write(ReflectDatumWriter.java:104)
> at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:57)
> at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:257)
> ... 5 more
> {noformat}
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