Just recently my hadoop jobs started failing with  Could not obtain block.
I recently restarted the cluster but this error has killed 3 jobs
I need some hints on how tp diagnose and fix the problem

d by: java.io.IOException: Could not obtain block:
blk_8697778223665513111_1917303
file=/user/howdah/JXTandem/data/VentnerEcoli/tandem256000.xml
        at 
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.chooseDataNode(DFSClient.java:1797)
        at 
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.blockSeekTo(DFSClient.java:1623)
        at 
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1752)
        at 
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1680)

-- 
Steven M. Lewis PhD
4221 105th Ave NE
Kirkland, WA 98033
206-384-1340 (cell)
Skype lordjoe_com

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