Yongjun Zhang created HDFS-6428: ----------------------------------- Summary: TestWebHdfsWithMultipleNameNodes failed with ConcurrentModificationException Key: HDFS-6428 URL: https://issues.apache.org/jira/browse/HDFS-6428 Project: Hadoop HDFS Issue Type: Bug Components: webhdfs Reporter: Yongjun Zhang Assignee: Yongjun Zhang
TestWebHdfsWithMultipleNameNodes failed as follows: {code} Running org.apache.hadoop.hdfs.web.TestWebHdfsWithMultipleNameNodes Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 8.643 sec <<< FAILURE! - in org.apache.hadoop.hdfs.web.TestWebHdfsWithMultipleNameNodes org.apache.hadoop.hdfs.web.TestWebHdfsWithMultipleNameNodes Time elapsed: 3.771 sec <<< ERROR! java.util.ConcurrentModificationException: null at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894) at java.util.HashMap$EntryIterator.next(HashMap.java:934) at java.util.HashMap$EntryIterator.next(HashMap.java:932) at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl.shutdown(FsVolumeImpl.java:251) at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeList.shutdown(FsVolumeList.java:249) at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.shutdown(FsDatasetImpl.java:1389) at org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown(DataNode.java:1304) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNodes(MiniDFSCluster.java:1555) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1530) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1514) at org.apache.hadoop.hdfs.web.TestWebHdfsWithMultipleNameNodes.shutdownCluster(TestWebHdfsWithMultipleNameNodes.java:99) {code} -- This message was sent by Atlassian JIRA (v6.2#6252)