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https://issues.apache.org/jira/browse/NET-452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226672#comment-13226672
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Colin Patrick McCabe commented on NET-452:
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For some reason, the "move" option is no longer showing up for me for this
JIRA. So I have created a new JIRA under Hadoop-common (HADOOP) for this. See
https://issues.apache.org/jira/browse/HADOOP-8159.
> NetworkTopology::getLeaf should check for invalid topologies
> ------------------------------------------------------------
>
> Key: NET-452
> URL: https://issues.apache.org/jira/browse/NET-452
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.0
> Reporter: Colin Patrick McCabe
> Fix For: 1.0
>
> Attachments: HDFS-3073.002.patch
>
>
> Currently, NetworkTopology::getLeaf doesn't do too much validation on the
> NetworkTopology object itself. This results in us getting ClassCastException
> sometimes when the topology is invalid. We should have a less confusing
> exception message for this case.
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