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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-767) timeout when writing dfs file causes infinite loop when closing the file
Date Thu, 30 Nov 2006 01:30:21 GMT
timeout when writing dfs file causes infinite loop when closing the file
------------------------------------------------------------------------

                 Key: HADOOP-767
                 URL: http://issues.apache.org/jira/browse/HADOOP-767
             Project: Hadoop
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.8.0
            Reporter: Nigel Daley


If, when writing to a dfs file, I get a timeout exception:

06/11/29 11:16:05 WARN fs.DFSClient: Error while writing.
java.net.SocketTimeoutException: timed out waiting for rpc response
       at org.apache.hadoop.ipc.Client.call(Client.java:469)
       at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:164)
       at org.apache.hadoop.dfs.$Proxy0.reportWrittenBlock(Unknown Source)
       at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.internalClose(DFSClient.java:1220)
       at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.endBlock(DFSClient.java:1175)
       at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.flush(DFSClient.java:1121)
       at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.write(DFSClient.java:1103)
       at org.apache.hadoop.examples.NNBench2.createWrite(NNBench2.java:107)
       at org.apache.hadoop.examples.NNBench2.main(NNBench2.java:247)

then the close() operation on the file appears to go into an infinite loop of retrying:

06/11/29 13:11:19 INFO fs.DFSClient: Could not complete file, retrying...
06/11/29 13:11:20 INFO fs.DFSClient: Could not complete file, retrying...
06/11/29 13:11:21 INFO fs.DFSClient: Could not complete file, retrying...
06/11/29 13:11:23 INFO fs.DFSClient: Could not complete file, retrying...
06/11/29 13:11:24 INFO fs.DFSClient: Could not complete file, retrying...
...

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