cascading.flow.FlowException: internal error during mapper execution

Google Groups | Unknown author | 3 years ago
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Root Cause Analysis

  1. java.lang.ClassCastException

    org.apache.hadoop.mapred.Reporter$1 cannot be cast to org.apache.hadoop.mapreduce.StatusReporter*

    at com.twitter.elephantbird.mapred.output.DeprecatedOutputFormatWrapper$RecordWriterWrapper.<init>()
  2. Elephant Bird Core
    DeprecatedOutputFormatWrapper.getRecordWriter
    1. com.twitter.elephantbird.mapred.output.DeprecatedOutputFormatWrapper$RecordWriterWrapper.<init>(DeprecatedOutputFormatWrapper.java:98)
    2. com.twitter.elephantbird.mapred.output.DeprecatedOutputFormatWrapper.getRecordWriter(DeprecatedOutputFormatWrapper.java:84)
    2 frames
  3. cascading.tap.hadoop
    Hfs.openForWrite
    1. cascading.tap.hadoop.io.TapOutputCollector.initialize(TapOutputCollector.java:102)
    2. cascading.tap.hadoop.io.TapOutputCollector.<init>(TapOutputCollector.java:79)
    3. cascading.tap.hadoop.io.TapOutputCollector.<init>(TapOutputCollector.java:68)
    4. cascading.tap.hadoop.io.HadoopTupleEntrySchemeCollector.makeCollector(HadoopTupleEntrySchemeCollector.java:57)
    5. cascading.tap.hadoop.io.HadoopTupleEntrySchemeCollector.<init>(HadoopTupleEntrySchemeCollector.java:49)
    6. cascading.tap.hadoop.Hfs.openForWrite(Hfs.java:454)
    7. cascading.tap.hadoop.Hfs.openForWrite(Hfs.java:91)
    7 frames
  4. cascading.flow.hadoop
    HadoopFlowProcess.openTrapForWrite
    1. cascading.flow.hadoop.HadoopFlowProcess.openTrapForWrite(HadoopFlowProcess.java:289)
    1 frame
  5. cascading.flow.stream
    SourceStage.run
    1. cascading.flow.stream.TrapHandler.getTrapCollector(TrapHandler.java:58)
    2. cascading.flow.stream.TrapHandler.handleException(TrapHandler.java:131)
    3. cascading.flow.stream.TrapHandler.handleException(TrapHandler.java:115)
    4. cascading.flow.stream.ElementStage.handleException(ElementStage.java:134)
    5. cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:107)
    6. cascading.flow.stream.FunctionEachStage.receive(FunctionEachStage.java:39)
    7. cascading.flow.stream.SourceStage.map(SourceStage.java:102)
    8. cascading.flow.stream.SourceStage.run(SourceStage.java:58)
    8 frames
  6. cascading.flow.hadoop
    FlowMapper.run
    1. cascading.flow.hadoop.FlowMapper.run(FlowMapper.java:127)
    1 frame