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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3073) NetworkTopology::getLeaf should check for invalid topologies
Date Fri, 09 Mar 2012 20:54:57 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226445#comment-13226445

Aaron T. Myers commented on HDFS-3073:

Seems like this JIRA should perhaps be moved to Common?
> NetworkTopology::getLeaf should check for invalid topologies
> ------------------------------------------------------------
>                 Key: HDFS-3073
>                 URL: https://issues.apache.org/jira/browse/HDFS-3073
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
> 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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