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From "Michael Bieniosek (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2957) DFSClient: All datanodes are bad
Date Thu, 06 Mar 2008 21:10:59 GMT
DFSClient: All datanodes are bad
--------------------------------

                 Key: HADOOP-2957
                 URL: https://issues.apache.org/jira/browse/HADOOP-2957
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.16.0
            Reporter: Michael Bieniosek


I got this extremely unhelpful error message: 

java.io.IOException: All datanodes x.x.x.x:50010 are bad. Aborting...
        at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.processDatanodeError(DFSClient.java:1839)
        at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.access$1100(DFSClient.java:1479)
        at org.apache.hadoop.dfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:1571)

In the code I note that there are several places in DFSClient where hasError is set to true.
 Instead, there should be a message corresponding to hasError that gets set on the exception.
 At very least, the exception should provide information about the bad block and indicate
what sort of operation it was attempting.

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