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https://issues.apache.org/jira/browse/HADOOP-8159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236561#comment-13236561
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Hudson commented on HADOOP-8159:
--------------------------------
Integrated in Hadoop-Hdfs-trunk #993 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/993/])
HADOOP-8159. NetworkTopology: getLeaf should check for invalid topologies.
Contributed by Colin Patrick McCabe (Revision 1304118)
Result = FAILURE
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1304118
Files :
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
> 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
> Fix For: 0.23.3
>
> Attachments: HADOOP-8159-b1.005.patch, HADOOP-8159-b1.007.patch,
> HADOOP-8159.005.patch, HADOOP-8159.006.patch, HADOOP-8159.007.patch,
> HADOOP-8159.008.patch, HADOOP-8159.009.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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