java.io.IOException: can't find class: testhamayoon.TestHamaYoon$MyWritable >> because testhamayoon.TestHamaYoon$MyWritable >> >>>>> >>>>> >> at >> org.apache.hadoop.io.AbstractMapWritable.readFields(AbstractMapWritable.java:204) >> at org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146) >> at >> org.apache.hama.graph.GraphJobMessage.readFields(GraphJobMessage.java:129) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:108) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:78) >> at >> org.apache.hama.bsp.LocalBSPRunner$LocalMessageManager.transfer(LocalBSPRunner.java:356) >> at org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:381) >> at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:133) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:258) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:288) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:212) >> at >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) >> at java.util.concurrent.FutureTask.run(FutureTask.java:138)

hama-user | ikapoura@csd.auth.gr | 3 years ago
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  1. 0

    Re: Aggregator problem

    hama-user | 3 years ago | ikapoura@csd.auth.gr
    java.io.IOException: can't find class: testhamayoon.TestHamaYoon$MyWritable >> because testhamayoon.TestHamaYoon$MyWritable >> >>>>> >>>>> >> at >> org.apache.hadoop.io.AbstractMapWritable.readFields(AbstractMapWritable.java:204) >> at org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146) >> at >> org.apache.hama.graph.GraphJobMessage.readFields(GraphJobMessage.java:129) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:108) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:78) >> at >> org.apache.hama.bsp.LocalBSPRunner$LocalMessageManager.transfer(LocalBSPRunner.java:356) >> at org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:381) >> at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:133) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:258) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:288) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:212) >> at >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) >> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
  2. 0

    Re: HDFS Sink stops writing events because HDFSWriter failed to append and close a file

    apache.org | 2 years ago
    java.io.IOException: DFSOutputStream is closed* at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.sync(DFSClient.java:3669) at org.apache.hadoop.fs.FSDataOutputStream.sync(FSDataOutputStream.java:97) at org.apache.flume.sink.hdfs.HDFSCompressedDataStream.sync(HDFSCompressedDataStream.java:96) at org.apache.flume.sink.hdfs.BucketWriter.doFlush(BucketWriter.java:345) at org.apache.flume.sink.hdfs.BucketWriter.access$500(BucketWriter.java:53) at org.apache.flume.sink.hdfs.BucketWriter$4.run(BucketWriter.java:310) at org.apache.flume.sink.hdfs.BucketWriter$4.run(BucketWriter.java:308) at org.apache.flume.sink.hdfs.BucketWriter.runPrivileged(BucketWriter.java:143) at org.apache.flume.sink.hdfs.BucketWriter.flush(BucketWriter.java:308) at org.apache.flume.sink.hdfs.BucketWriter.close(BucketWriter.java:257) at org.apache.flume.sink.hdfs.BucketWriter.append(BucketWriter.java:382) at org.apache.flume.sink.hdfs.HDFSEventSink$2.call(HDFSEventSink.java:729) at org.apache.flume.sink.hdfs.HDFSEventSink$2.call(HDFSEventSink.java:727) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
  3. 0

    Re: HDFS Sink stops writing events because HDFSWriter failed to append and close a file

    flume-user | 4 years ago | Ashish Tadose
    java.io.IOException: DFSOutputStream is closed* at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.sync(DFSClient.java:3669) at org.apache.hadoop.fs.FSDataOutputStream.sync(FSDataOutputStream.java:97) at org.apache.flume.sink.hdfs.HDFSCompressedDataStream.sync(HDFSCompressedDataStream.java:96) at org.apache.flume.sink.hdfs.BucketWriter.doFlush(BucketWriter.java:345) at org.apache.flume.sink.hdfs.BucketWriter.access$500(BucketWriter.java:53) at org.apache.flume.sink.hdfs.BucketWriter$4.run(BucketWriter.java:310) at org.apache.flume.sink.hdfs.BucketWriter$4.run(BucketWriter.java:308) at org.apache.flume.sink.hdfs.BucketWriter.runPrivileged(BucketWriter.java:143) at org.apache.flume.sink.hdfs.BucketWriter.flush(BucketWriter.java:308) at org.apache.flume.sink.hdfs.BucketWriter.close(BucketWriter.java:257) at org.apache.flume.sink.hdfs.BucketWriter.append(BucketWriter.java:382) at org.apache.flume.sink.hdfs.HDFSEventSink$2.call(HDFSEventSink.java:729) at org.apache.flume.sink.hdfs.HDFSEventSink$2.call(HDFSEventSink.java:727) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
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  5. 0

    Re: Aggregator problem

    hama-user | 3 years ago | Edward J. Yoon
    java.io.IOException: can't find class: corever2.MessageCore because > corever2.MessageCore > at > org.apache.hadoop.io.AbstractMapWritable.readFields(AbstractMapWritable.java:204) > at org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146) > at > org.apache.hama.graph.GraphJobMessage.readFields(GraphJobMessage.java:129) > at > org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:108) > at > org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:78) > at > org.apache.hama.bsp.LocalBSPRunner$LocalMessageManager.transfer(LocalBSPRunner.java:356) > at org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:381) > at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:133) > at > org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:258) > at > org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:288) > at > org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:212) > at > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138)
  6. 0

    Re: Aggregator problem

    hama-user | 3 years ago | ikapoura@csd.auth.gr
    java.io.IOException: can't find class: corever2.MessageCore because >> corever2.MessageCore >> at >> org.apache.hadoop.io.AbstractMapWritable.readFields(AbstractMapWritable.java:204) >> at org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146) >> at >> org.apache.hama.graph.GraphJobMessage.readFields(GraphJobMessage.java:129) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:108) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:78) >> at >> org.apache.hama.bsp.LocalBSPRunner$LocalMessageManager.transfer(LocalBSPRunner.java:356) >> at org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:381) >> at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:133) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:258) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:288) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:212) >> at >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) >> at java.util.concurrent.FutureTask.run(FutureTask.java:138)

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Root Cause Analysis

  1. java.io.IOException

    can't find class: testhamayoon.TestHamaYoon$MyWritable >> because testhamayoon.TestHamaYoon$MyWritable >> >>>>> >>>>> >> at >> org.apache.hadoop.io.AbstractMapWritable.readFields(AbstractMapWritable.java:204) >> at org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146) >> at >> org.apache.hama.graph.GraphJobMessage.readFields(GraphJobMessage.java:129) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:108) >> at >> org.apache.hama.bsp.BSPMessageBundle$1.next(BSPMessageBundle.java:78) >> at >> org.apache.hama.bsp.LocalBSPRunner$LocalMessageManager.transfer(LocalBSPRunner.java:356) >> at org.apache.hama.bsp.BSPPeerImpl.sync(BSPPeerImpl.java:381) >> at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:133) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:258) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:288) >> at >> org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:212) >> at >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) >> at java.util.concurrent.FutureTask.run(FutureTask.java:138)

    at java.util.concurrent.FutureTask.run()
  2. Java RT
    FutureTask.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:138)
    1 frame