When access hive table using hcatlog in Pig,sometime it throws a exception !
Exception
2015-10-30 06:44:35,219 WARN [Thread-4] org.apache.hadoop.mapred.YarnChild: Exception running child : 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:59) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:204) at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:553) at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80) at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:784) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168) 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:1892) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163) Caused by: java.lang.IndexOutOfBoundsException: Index: 24, Size: 24 at java.util.ArrayList.rangeCheck(ArrayList.java:635) at java.util.ArrayList.get(ArrayList.java:411) at org.apache.hive.hcatalog.data.HCatRecordSerDe.serializeStruct(HCatRecordSerDe.java:175) at org.apache.hive.hcatalog.data.HCatRecordSerDe.serializeList(HCatRecordSerDe.java:244) at org.apache.hive.hcatalog.data.HCatRecordSerDe.serializeField(HCatRecordSerDe.java:196) at org.apache.hive.hcatalog.data.LazyHCatRecord.get(LazyHCatRecord.java:53) at org.apache.hive.hcatalog.data.LazyHCatRecord.get(LazyHCatRecord.java:97) at org.apache.hive.hcatalog.mapreduce.HCatRecordReader.nextKeyValue(HCatRecordReader.java:204) at org.apache.hive.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:63) ... 13 more