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From "Colin Patrick McCabe (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8159) NetworkTopology: getLeaf should check for invalid topologies
Date Tue, 20 Mar 2012 21:21:40 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HADOOP-8159:
-----------------------------------------

    Attachment: HADOOP-8159.007.patch

* validate exception text in test

* don't put topology text into exception-- just log it.

* simpler, less invasive change which just checks invariants in NetworkTopology::add
                
> 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
>    Affects Versions: 1.0.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 1.0.0
>
>         Attachments: HADOOP-8159-b1.005.patch, HADOOP-8159.005.patch, HADOOP-8159.006.patch,
HADOOP-8159.007.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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