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Hudson commented on HDFS-3616: ------------------------------ Integrated in Hadoop-Mapreduce-trunk #1238 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1238/]) HDFS-3616. Fix a ConcurrentModificationException bug that BP actor threads may not be shutdown properly in DataNode. Contributed by Jing Zhao (Revision 1402608) Result = FAILURE szetszwo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1402608 Files : * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java > TestWebHdfsWithMultipleNameNodes fails with ConcurrentModificationException > in DN shutdown > ------------------------------------------------------------------------------------------ > > Key: HDFS-3616 > URL: https://issues.apache.org/jira/browse/HDFS-3616 > Project: Hadoop HDFS > Issue Type: Bug > Components: data-node > Affects Versions: 2.0.0-alpha, 3.0.0 > Reporter: Uma Maheswara Rao G > Assignee: Jing Zhao > Fix For: 2.0.3-alpha > > Attachments: HDFS-3616.trunk.001.patch, HDFS-3616.trunk.002.patch, > HDFS-3616.trunk.003.patch > > > I have seen this in precommit build #2743 > {noformat} > java.util.ConcurrentModificationException > at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793) > at java.util.HashMap$EntryIterator.next(HashMap.java:834) > at java.util.HashMap$EntryIterator.next(HashMap.java:832) > at > org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl.shutdown(FsVolumeImpl.java:209) > at > org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeList.shutdown(FsVolumeList.java:168) > at > org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.shutdown(FsDatasetImpl.java:1214) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown(DataNode.java:1105) > at > org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNodes(MiniDFSCluster.java:1324) > at > org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1304) > at > org.apache.hadoop.hdfs.web.TestWebHdfsWithMultipleNameNodes.shutdownCluster(TestWebHdfsWithMultipleNameNodes.java:100) > {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira