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https://issues.apache.org/jira/browse/HDFS-15363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114619#comment-17114619
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Hudson commented on HDFS-15363:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #18289 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/18289/])
HDFS-15363. BlockPlacementPolicyWithNodeGroup should validate if it is
(tasanuma: rev 4d22d1c58f0eb093775f0fe4f39ef4be639ad752)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancerWithNodeGroup.java
> BlockPlacementPolicyWithNodeGroup should validate if it is initialized by
> NetworkTopologyWithNodeGroup
> ------------------------------------------------------------------------------------------------------
>
> Key: HDFS-15363
> URL: https://issues.apache.org/jira/browse/HDFS-15363
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: hemanthboyina
> Assignee: hemanthboyina
> Priority: Major
> Fix For: 3.2.2, 3.3.1, 3.4.0, 3.1.5
>
> Attachments: HDFS-15363-testrepro.patch, HDFS-15363.001.patch
>
>
> BlockPlacementPolicyWithNodeGroup type casts the initialized clusterMap
> {code:java}
> NetworkTopologyWithNodeGroup clusterMapNodeGroup =
> (NetworkTopologyWithNodeGroup) clusterMap {code}
> If clusterMap is an instance of DFSNetworkTopology we get a ClassCastException
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