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https://issues.apache.org/jira/browse/YARN-2979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Saxena resolved YARN-2979.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 2.7.0

> Unsupported operation exception in message building (YarnProtos)
> ----------------------------------------------------------------
>
>                 Key: YARN-2979
>                 URL: https://issues.apache.org/jira/browse/YARN-2979
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager, resourcemanager
>    Affects Versions: 2.5.1
>            Reporter: Jason Tufo
>            Assignee: Varun Saxena
>             Fix For: 2.7.0
>
>
> java.lang.UnsupportedOperationException
>       at java.util.AbstractList.add(AbstractList.java:148)
>       at java.util.AbstractList.add(AbstractList.java:108)
>       at 
> com.google.protobuf.AbstractMessageLite$Builder.addAll(AbstractMessageLite.java:330)
>       at 
> org.apache.hadoop.yarn.proto.YarnProtos$QueueInfoProto$Builder.addAllApplications(YarnProtos.java:30702)
>       at 
> org.apache.hadoop.yarn.api.records.impl.pb.QueueInfoPBImpl.addApplicationsToProto(QueueInfoPBImpl.java:227)
>       at 
> org.apache.hadoop.yarn.api.records.impl.pb.QueueInfoPBImpl.mergeLocalToBuilder(QueueInfoPBImpl.java:282)
>       at 
> org.apache.hadoop.yarn.api.records.impl.pb.QueueInfoPBImpl.mergeLocalToProto(QueueInfoPBImpl.java:289)
>       at 
> org.apache.hadoop.yarn.api.records.impl.pb.QueueInfoPBImpl.getProto(QueueInfoPBImpl.java:157)
>       at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueInfoResponsePBImpl.convertToProtoFormat(GetQueueInfoResponsePBImpl.java:128)
>       at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueInfoResponsePBImpl.mergeLocalToBuilder(GetQueueInfoResponsePBImpl.java:104)
>       at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueInfoResponsePBImpl.mergeLocalToProto(GetQueueInfoResponsePBImpl.java:111)
>       at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueInfoResponsePBImpl.getProto(GetQueueInfoResponsePBImpl.java:53)
>       at 
> org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getQueueInfo(ApplicationClientProtocolPBServiceImpl.java:235)
>       at 
> org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:333)
>       at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
>       at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
>       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013)
>       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:415)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
>       at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2007)



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