java.lang.NullPointerException: This exception has no message.

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via Google Groups by Krishna, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at org.apache.hadoop.hbase.protobuf.ProtobufUtil.toCell(ProtobufUtil.java:2531)
at org.apache.hadoop.hbase.mapreduce.ResultSerialization$ResultSerializer.serialize(ResultSerialization.java:155)
at org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat$1.write(SequenceFileOutputFormat.java:83)
at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.write(MapTask.java:658)
at org.apache.hadoop.mapreduce.task.TaskInputOutputContextImpl.write(TaskInputOutputContextImpl.java:89)
at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.write(WrappedMapper.java:112)
at org.apache.hadoop.hbase.mapreduce.IdentityTableMapper.map(IdentityTableMapper.java:66)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)

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