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Hudson commented on YARN-3793: ------------------------------ FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #244 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/244/]) YARN-3793. Several NPEs when deleting local files on NM recovery. Contributed by Varun Saxena (jlowe: rev b5cdf78e8e6cd6c5c1fb7286207dac72be32c0d6) * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/TestLogAggregationService.java * hadoop-yarn-project/CHANGES.txt * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/AppLogAggregatorImpl.java > Several NPEs when deleting local files on NM recovery > ----------------------------------------------------- > > Key: YARN-3793 > URL: https://issues.apache.org/jira/browse/YARN-3793 > Project: Hadoop YARN > Issue Type: Bug > Components: nodemanager > Affects Versions: 2.6.0 > Reporter: Karthik Kambatla > Assignee: Varun Saxena > Fix For: 2.7.2 > > Attachments: YARN-3793.01.patch, YARN-3793.02.patch > > > When NM work-preserving restart is enabled, we see several NPEs on recovery. > These seem to correspond to sub-directories that need to be deleted. I wonder > if null pointers here mean incorrect tracking of these resources and a > potential leak. This JIRA is to investigate and fix anything required. > Logs show: > {noformat} > 2015-05-18 07:06:10,225 INFO > org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor: Deleting > absolute path : null > 2015-05-18 07:06:10,224 ERROR > org.apache.hadoop.yarn.server.nodemanager.DeletionService: Exception during > execution of task in DeletionService > java.lang.NullPointerException > at > org.apache.hadoop.fs.FileContext.fixRelativePart(FileContext.java:274) > at org.apache.hadoop.fs.FileContext.delete(FileContext.java:755) > at > org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.deleteAsUser(DefaultContainerExecutor.java:458) > at > org.apache.hadoop.yarn.server.nodemanager.DeletionService$FileDeletionTask.run(DeletionService.java:293) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)