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https://issues.apache.org/jira/browse/YARN-4723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15168092#comment-15168092
]
Kuhu Shukla commented on YARN-4723:
-----------------------------------
{{TestSystemMetricsPublisher}} and {{TestZKRMStateStore}} run fine locally and
I don't see correlation between the change and the test failure. Requesting
[~jlowe] for more comments/review. Thank you very much!
> NodesListManager$UnknownNodeId ClassCastException
> -------------------------------------------------
>
> Key: YARN-4723
> URL: https://issues.apache.org/jira/browse/YARN-4723
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.7.3
> Reporter: Jason Lowe
> Assignee: Kuhu Shukla
> Priority: Critical
> Attachments: YARN-4723-branch-2.7.001.patch, YARN-4723.001.patch,
> YARN-4723.002.patch
>
>
> Saw the following in an RM log:
> {noformat}
> 2016-02-16 22:55:35,207 [IPC Server handler 5 on 8030] WARN ipc.Server: IPC
> Server handler 5 on 8030, call
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server@6c403aff
> java.lang.ClassCastException:
> org.apache.hadoop.yarn.server.resourcemanager.NodesListManager$UnknownNodeId
> cannot be cast to org.apache.hadoop.yarn.api.records.impl.pb.NodeIdPBImpl
> at
> org.apache.hadoop.yarn.api.records.impl.pb.NodeReportPBImpl.mergeLocalToBuilder(NodeReportPBImpl.java:247)
> at
> org.apache.hadoop.yarn.api.records.impl.pb.NodeReportPBImpl.mergeLocalToProto(NodeReportPBImpl.java:271)
> at
> org.apache.hadoop.yarn.api.records.impl.pb.NodeReportPBImpl.getProto(NodeReportPBImpl.java:220)
> at
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl.convertToProtoFormat(AllocateResponsePBImpl.java:712)
> at
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl.access$500(AllocateResponsePBImpl.java:68)
> at
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl$6$1.next(AllocateResponsePBImpl.java:658)
> at
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl$6$1.next(AllocateResponsePBImpl.java:647)
> at
> com.google.protobuf.AbstractMessageLite$Builder.checkForNullValues(AbstractMessageLite.java:336)
> at
> com.google.protobuf.AbstractMessageLite$Builder.addAll(AbstractMessageLite.java:323)
> at
> org.apache.hadoop.yarn.proto.YarnServiceProtos$AllocateResponseProto$Builder.addAllUpdatedNodes(YarnServiceProtos.java:9335)
> at
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl.mergeLocalToBuilder(AllocateResponsePBImpl.java:144)
> at
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl.mergeLocalToProto(AllocateResponsePBImpl.java:175)
> at
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateResponsePBImpl.getProto(AllocateResponsePBImpl.java:96)
> at
> org.apache.hadoop.yarn.api.impl.pb.service.ApplicationMasterProtocolPBServiceImpl.allocate(ApplicationMasterProtocolPBServiceImpl.java:61)
> at
> org.apache.hadoop.yarn.proto.ApplicationMasterProtocol$ApplicationMasterProtocolService$2.callBlockingMethod(ApplicationMasterProtocol.java:99)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:608)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
> at org.apache.hadoop.ipc.Server.call(Server.java:2267)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:648)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:615)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1679)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2217)
> {noformat}
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