[FLUME-1771] JDBCChannel does not work with FlumeAvroEvent Serializer

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Assignee: Ashish Paliwal
• Reporter: Brock Noland
• Created: 06/Dec/12 20:40
• Updated: 11/Dec/13 09:37

Description

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