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https://issues.apache.org/jira/browse/HADOOP-10543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13985172#comment-13985172
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Yongjun Zhang commented on HADOOP-10543:
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Many thanks ATM!
> RemoteException's unwrapRemoteException method failed for PathIOException
> -------------------------------------------------------------------------
>
> Key: HADOOP-10543
> URL: https://issues.apache.org/jira/browse/HADOOP-10543
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Yongjun Zhang
> Assignee: Yongjun Zhang
> Fix For: 2.5.0
>
> Attachments: HADOOP-10543.001.patch
>
>
> If the cause of a RemoteException is PathIOException, RemoteException's
> unwrapRemoteException methods would fail, because some PathIOException
> constructors initialize the cause to null, which makes Throwable to throw
> exception at
> {code}
> public synchronized Throwable initCause(Throwable cause) {
> if (this.cause != this)
> throw new IllegalStateException("Can't overwrite cause");
> {code}
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