Hadoop 22 Exception thrown after task completion causes its reexecution

2012-02-28 19:17:08,504 INFO org.apache.hadoop.mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 1969310 bytes
2012-02-28 19:17:08,694 INFO org.apache.hadoop.mapred.Task: Task:attempt_201202272306_0794_m_000094_0 is done. And is in the process of commiting
2012-02-28 19:18:08,774 INFO org.apache.hadoop.mapred.Task: Communication exception: java.io.IOException: Call to /127.0.0.1:35400 failed on local exception: java.nio.channels.ClosedByInterruptException
at org.apache.hadoop.ipc.Client.wrapException(Client.java:1094)
at org.apache.hadoop.ipc.Client.call(Client.java:1062)
at org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:198)
at $Proxy0.statusUpdate(Unknown Source)
at org.apache.hadoop.mapred.Task$TaskReporter.run(Task.java:650)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.nio.channels.ClosedByInterruptException
at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:184)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:341)
at org.apache.hadoop.net.SocketOutputStream$Writer.performIO(SocketOutputStream.java:60)
at org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:142)
at org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:151)
at org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:112)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
at java.io.DataOutputStream.flush(DataOutputStream.java:106)
at org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:769)
at org.apache.hadoop.ipc.Client.call(Client.java:1040)
... 4 more

2012-02-28 19:18:08,825 INFO org.apache.hadoop.mapred.Task: Task 'attempt_201202272306_0794_m_000094_0' done.

================>>>>>> SHOULD be <++++++++++++++
2012-02-28 19:17:02,214 INFO org.apache.hadoop.mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 1974104 bytes
2012-02-28 19:17:02,408 INFO org.apache.hadoop.mapred.Task: Task:attempt_201202272306_0794_m_000000_0 is done. And is in the process of commiting
2012-02-28 19:17:02,519 INFO org.apache.hadoop.mapred.Task: Task 'attempt_201202272306_0794_m_000000_0' done.