[HADOOP-3641] Exception while killing the JobTracker

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Assignee: Unassigned
• Reporter: Amar Kamat
• Created: 25/Jun/08 10:45
• Updated: 08/Jul/09 16:43
• Resolved: 25/Jun/08 11:44

Description

Exception in thread "Thread-5" java.util.ConcurrentModificationException
        at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1100)
        at java.util.TreeMap$KeyIterator.next(TreeMap.java:1152)
        at org.apache.hadoop.dfs.DFSClient.close(DFSClient.java:212)
        at org.apache.hadoop.dfs.DistributedFileSystem.close(DistributedFileSystem.java:228)
        at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:1379)
        at org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:230)
        at org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:215)

This is when I manually try to kill a JobTracker.

Issue Links

• blocks: HADOOP-3245 Provide ability to persist running jobs (extend HADOOP-1876)
• duplicates: HADOOP-3639 Exception when closing DFSClient while multiple files are open