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From Jason Venner <ja...@attributor.com>
Subject dfs failures with 0.15.0 - blk_3105072074036734167 has already been started
Date Mon, 03 Dec 2007 23:44:20 GMT
on XX.YY.ZZ.AAA
2007-12-03 15:42:18,508 ERROR org.apache.hadoop.dfs.DataNode: 
DataXceiver: java.io.IOException: Block blk_3105072074036734167 has 
already been started (though not completed), and thus cannot be created.
        at org.apache.hadoop.dfs.FSDataset.writeToBlock(FSDataset.java:568)
        at 
org.apache.hadoop.dfs.DataNode$BlockReceiver.<init>(DataNode.java:1257)
        at 
org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:901)
        at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:804)
        at java.lang.Thread.run(Thread.java:619)

One one machine
2007-12-03 15:42:44,755 INFO org.apache.hadoop.dfs.DataNode: Starting 
thread to transfer block blk_3105072074036734167 to 
[Lorg.apache.hadoop.dfs.DatanodeInfo;@6fc40f
2007-12-03 15:42:44,757 WARN org.apache.hadoop.dfs.DataNode: Failed to 
transfer blk_3105072074036734167 to XX.YY.ZZ.AAA:50010 got 
java.net.SocketException: Broken pipe
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at 
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
        at 
java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
        at java.io.BufferedOutputStream.write(BufferedOutputStream.java:109)
        at java.io.DataOutputStream.write(DataOutputStream.java:90)
        at 
org.apache.hadoop.dfs.DataNode$BlockSender.sendChunk(DataNode.java:1175)
        at 
org.apache.hadoop.dfs.DataNode$BlockSender.sendBlock(DataNode.java:1208)
        at 
org.apache.hadoop.dfs.DataNode$DataTransfer.run(DataNode.java:1460)
        at java.lang.Thread.run(Thread.java:619)


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