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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3759) ClassCastException thrown in -list-active-trackers when there are a few unhealthy nodes
Date Sat, 04 Feb 2012 20:15:54 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200535#comment-13200535
] 

Hudson commented on MAPREDUCE-3759:
-----------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #1734 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/1734/])
    MAPREDUCE-3759. ClassCastException thrown in -list-active-trackers when there are a few
unhealthy nodes (vinodkv via mahadev)

mahadev : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1240598
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMService.java

                
> ClassCastException thrown in -list-active-trackers when there are a few unhealthy nodes
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3759
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3759
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1
>            Reporter: Ramya Sunil
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.23.1
>
>         Attachments: MAPREDUCE-3759-20120202.txt
>
>
> When there are a few blacklisted nodes in the cluster, "bin/mapred job -list-active-trackers"
throws "java.lang.ClassCastException: org.apache.hadoop.yarn.server.resourcemanager.resource.Resources$1
cannot be cast to org.apache.hadoop.yarn.api.records.impl.pb.ResourcePBImpl"

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