java.lang.NullPointerException

Google Groups | Krishna | 7 months ago
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  1. 1

    Table export fails with NPE

    Google Groups | 7 months ago | Krishna
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.hadoop.hbase.protobuf.generated.CellProtos$Cell$Builder.setCellType()
    2. HBase
      CellProtos$Cell$Builder.setCellType
      1. org.apache.hadoop.hbase.protobuf.generated.CellProtos$Cell$Builder.setCellType(CellProtos.java:1050)
      1 frame
    3. HBase - Client
      ProtobufUtil.toResult
      1. org.apache.hadoop.hbase.protobuf.ProtobufUtil.toCell(ProtobufUtil.java:2531)
      2. org.apache.hadoop.hbase.protobuf.ProtobufUtil.toResult(ProtobufUtil.java:1303)
      2 frames
    4. HBase
      ResultSerialization$ResultSerializer.serialize
      1. org.apache.hadoop.hbase.mapreduce.ResultSerialization$ResultSerializer.serialize(ResultSerialization.java:155)
      2. org.apache.hadoop.hbase.mapreduce.ResultSerialization$ResultSerializer.serialize(ResultSerialization.java:140)
      2 frames
    5. Hadoop
      SequenceFile$BlockCompressWriter.append
      1. org.apache.hadoop.io.SequenceFile$BlockCompressWriter.append(SequenceFile.java:1591)
      1 frame
    6. Hadoop
      WrappedMapper$Context.write
      1. org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat$1.write(SequenceFileOutputFormat.java:83)
      2. org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.write(MapTask.java:658)
      3. org.apache.hadoop.mapreduce.task.TaskInputOutputContextImpl.write(TaskInputOutputContextImpl.java:89)
      4. org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.write(WrappedMapper.java:112)
      4 frames
    7. HBase
      IdentityTableMapper.map
      1. org.apache.hadoop.hbase.mapreduce.IdentityTableMapper.map(IdentityTableMapper.java:66)
      2. org.apache.hadoop.hbase.mapreduce.IdentityTableMapper.map(IdentityTableMapper.java:33)
      2 frames
    8. Hadoop
      YarnChild$2.run
      1. org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
      2. org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
      3. org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
      4. org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
      4 frames
    9. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:415)
      2 frames
    10. Hadoop
      UserGroupInformation.doAs
      1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
      1 frame
    11. Hadoop
      YarnChild.main
      1. org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
      1 frame