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https://issues.apache.org/jira/browse/HADOOP-3896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Chansler updated HADOOP-3896:
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Component/s: dfs
> MiniDFSCluster.stopDataNode will always shut down a node in the cluster if a
> matching name is not found
> -------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3896
> URL: https://issues.apache.org/jira/browse/HADOOP-3896
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Reporter: Steve Loughran
> Priority: Minor
>
> 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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