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Hadoop QA commented on MAPREDUCE-4071: -------------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12528570/MAPREDUCE-4071-2.patch against trunk revision 47f7f18. {color:red}-1 patch{color}. The patch command could not apply the patch. Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5259//console This message is automatically generated. > NPE while executing MRAppMaster shutdown hook > --------------------------------------------- > > Key: MAPREDUCE-4071 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-4071 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: mr-am, mrv2 > Affects Versions: 0.23.3, 2.0.0-alpha > Reporter: Bhallamudi Venkata Siva Kamesh > Attachments: MAPREDUCE-4071-1.patch, MAPREDUCE-4071-2.patch, > MAPREDUCE-4071-2.patch, MAPREDUCE-4071.patch > > > While running the shutdown hook of MRAppMaster, hit NPE > {noformat} > Exception in thread "Thread-1" java.lang.NullPointerException > at > org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter.setSignalled(MRAppMaster.java:668) > at > org.apache.hadoop.mapreduce.v2.app.MRAppMaster$MRAppMasterShutdownHook.run(MRAppMaster.java:1004) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)