[PIG-2402] inIllustrator condition in PigMapReduce is wrong for hadoop 23

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.2, 0.10.0, 0.11
• Fix Version/s: 0.9.2, 0.10.0, 0.11
• Component/s: impl
• Labels: hadoop023
• Hadoop Flags: Reviewed
• Assignee: Daniel Dai
• Reporter: Daniel Dai
• Created: 07/Dec/11 01:31
• Updated: 23/Jan/12 07:31
• Resolved: 07/Dec/11 21:55

Description

Current logic is:
context instanceof WrappedMapper.Context

It is no longer working in current 0.23 branch. I see test failure in some tests, such as SkewedJoin_6.

Here is the stack:
Error: java.lang.NullPointerException at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getNext(POStore.java:146) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.runPipeline(POSplit.java:254) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.processPlan(POSplit.java:236) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.getNext(POSplit.java:228) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.runPipeline(PigGenericMapBase.java:271) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:266) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:64) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:711) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:328) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1154) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142)