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https://issues.apache.org/jira/browse/HADOOP-1068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-1068:
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Attachment: fewdatanodeswarning2.patch
Added a special message for 0 datanode cluster.
> Improve error message for 0 datanode case
> -----------------------------------------
>
> Key: HADOOP-1068
> URL: https://issues.apache.org/jira/browse/HADOOP-1068
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.12.0
> Reporter: Owen O'Malley
> Assigned To: dhruba borthakur
> Fix For: 0.13.0
>
> Attachments: fewdatanodeswarning2.patch
>
>
> A user got the error message:
> org.apache.hadoop.ipc.RemoteException: java.io.IOException: failed to create
> file /user/root/rand-input/part000000 on client localhost.localdomain
> because target-length is 0, below MIN_REPLICATION (1)
> A better error message for 0 targets would be something like:
> The cluster has no datanodes for creating file
> /user/root/rand-input/part000000.
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