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https://issues.apache.org/jira/browse/HDFS-49?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14100862#comment-14100862
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Allen Wittenauer commented on HDFS-49:
--------------------------------------
Rebase it and we'll get it committed. ;)
> MiniDFSCluster.stopDataNode will always shut down a node in the cluster if a
> matching name is not found
> -------------------------------------------------------------------------------------------------------
>
> Key: HDFS-49
> URL: https://issues.apache.org/jira/browse/HDFS-49
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.20.204.0, 0.20.205.0, 1.1.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Labels: codereview, newbie
> Attachments: hdfs-49.patch
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> The stopDataNode method will shut down the last node in the list of nodes, if
> one matching a specific name is not found
> This is possibly not what was intended. Better to return false or fail in
> some other manner if the named node was not located
> synchronized boolean stopDataNode(String name) {
> int i;
> for (i = 0; i < dataNodes.size(); i++) {
> DataNode dn = dataNodes.get(i).datanode;
> if (dn.dnRegistration.getName().equals(name)) {
> break;
> }
> }
> return stopDataNode(i);
> }
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