Major Description
Here is the stack:
Get exception:
AttemptID:attempt_1403634189382_0011_m_000000_0 Info:Error: org.apache.pig.backend.executionengine.ExecException: ERROR 6018: Error converting read value to tuple
at org.apache.hive.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:76)
at org.apache.hive.hcatalog.pig.HCatLoader.getNext(HCatLoader.java:58)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:211)
at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:533)
at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
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:1557)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
Caused by: java.lang.NullPointerException
at org.apache.hive.hcatalog.pig.PigHCatUtil.transformToPigMap(PigHCatUtil.java:469)
at org.apache.hive.hcatalog.pig.PigHCatUtil.extractPigObject(PigHCatUtil.java:404)
at org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:456)
at org.apache.hive.hcatalog.pig.PigHCatUtil.transformToTuple(PigHCatUtil.java:374)
at org.apache.hive.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:64)
... 13 more