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From "Colin Patrick McCabe (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8159) NetworkTopology: getLeaf should check for invalid topologies
Date Sat, 10 Mar 2012 01:06:59 GMT
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


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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