DistributedFileSystem.close() introduces a deadlock
---------------------------------------------------
Key: HADOOP-3139
URL: https://issues.apache.org/jira/browse/HADOOP-3139
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
Koji found the following:
My dfs -ls hang.
Ctrl-Z showed a deadlock state.
"Thread-0":
at
org.apache.hadoop.dfs.DistributedFileSystem.close(DistributedFileSystem.java:190)
- waiting to lock <0xedde8788> (a
org.apache.hadoop.dfs.DistributedFileSystem)
at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:1231)
- locked <0xee0baf88> (a org.apache.hadoop.fs.FileSystem$Cache)
at org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:169)
at
org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:154)
- locked <0xee0bae40> (a
org.apache.hadoop.fs.FileSystem$ClientFinalizer)
"main":
at org.apache.hadoop.fs.FileSystem$Cache.remove(FileSystem.java:1201)
- waiting to lock <0xee0baf88> (a org.apache.hadoop.fs.FileSystem$Cache)
at org.apache.hadoop.fs.FileSystem.close(FileSystem.java:1085)
at
org.apache.hadoop.dfs.DistributedFileSystem.close(DistributedFileSystem.java:192)
- locked <0xedde8788> (a org.apache.hadoop.dfs.DistributedFileSystem)
at org.apache.hadoop.fs.FsShell.close(FsShell.java:1698)
at org.apache.hadoop.fs.FsShell.main(FsShell.java:1712)
Found 1 deadlock.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
