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https://issues.apache.org/jira/browse/HDFS-676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12762399#action_12762399
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Tsz Wo (Nicholas), SZE commented on HDFS-676:
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See also
[this|https://issues.apache.org/jira/browse/HDFS-627?focusedCommentId=12762379&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12762379].
> NPE in FSDataset.updateReplicaUnderRecovery(..)
> -----------------------------------------------
>
> Key: HDFS-676
> URL: https://issues.apache.org/jira/browse/HDFS-676
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: data-node
> Reporter: Tsz Wo (Nicholas), SZE
> Attachments: h676_20091005.patch
>
>
> {noformat}
> java.io.IOException: java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.datanode.FSDataset.updateReplicaUnderRecovery(FSDataset.java:2089)
> at
> org.apache.hadoop.hdfs.server.datanode.DataNode.updateReplicaUnderRecovery(DataNode.java:1598)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:516)
> ...
> {noformat}
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