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From "Colin Patrick McCabe (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8159) NetworkTopology: getLeaf should check for invalid topologies
Date Thu, 22 Mar 2012 21:38:22 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236064#comment-13236064

Colin Patrick McCabe commented on HADOOP-8159:

Filed HDFS-3129 for the test-- will split that out of this patch.
> NetworkTopology: getLeaf should check for invalid topologies
> ------------------------------------------------------------
>                 Key: HADOOP-8159
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8159
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HADOOP-8159-b1.005.patch, HADOOP-8159.005.patch, HADOOP-8159.006.patch,
HADOOP-8159.007.patch, HADOOP-8159.008.patch
> Currently, in NetworkTopology, getLeaf doesn't do too much validation on the InnerNode
object itself. This results in us getting ClassCastException sometimes when the network topology
is invalid. We should have a less confusing exception message for this case.

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