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https://issues.apache.org/jira/browse/HADOOP-2971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghu Angadi updated HADOOP-2971:
---------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
I just committed this.
> SocketTimeoutException in unit tests
> ------------------------------------
>
> Key: HADOOP-2971
> URL: https://issues.apache.org/jira/browse/HADOOP-2971
> Project: Hadoop Core
> Issue Type: Bug
> Components: io
> Affects Versions: 0.17.0
> Reporter: Raghu Angadi
> Assignee: Raghu Angadi
> Fix For: 0.17.0
>
> Attachments: HADOOP-2971.patch, HADOOP-2971.patch
>
>
> TestJobStatusPersistency failed and contained DataNode stacktraces similar to
> the following :
> {noformat}
> 2008-03-07 21:27:00,410 ERROR dfs.DataNode (DataNode.java:run(976)) -
> 127.0.0.1:57790:DataXceiver: java.net.SocketTimeoutException: 0 millis
> timeout while waiting for Unknown Addr (local: /127.0.0.1:57790) to be ready
> for read
> at
> org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:188)
> at
> org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:135)
> at
> org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:121)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> at java.io.DataInputStream.readInt(DataInputStream.java:370)
> at
> org.apache.hadoop.dfs.DataNode$BlockReceiver.receiveBlock(DataNode.java:2434)
> at
> org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:1170)
> at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:953)
> at java.lang.Thread.run(Thread.java:619)
> {noformat}
> This is mostly related to HADOOP-2346. The error is strange.
> socket.getRemoteSocketAddress() returned null implying this socket is not
> connected yet. But we have already read a few bytes from it!.
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