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From "Vrushali C (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5014) Ensure non-metric values are returned as is for flow run table from the coprocessor
Date Fri, 29 Apr 2016 07:42:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-5014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263695#comment-15263695
] 

Vrushali C commented on YARN-5014:
----------------------------------

Patch is available at https://issues.apache.org/jira/browse/YARN-4986 

> Ensure non-metric values are returned as is for flow run table from the coprocessor
> -----------------------------------------------------------------------------------
>
>                 Key: YARN-5014
>                 URL: https://issues.apache.org/jira/browse/YARN-5014
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Vrushali C
>            Assignee: Vrushali C
>
> Presently the FlowScanner class presumes existence of NumericValueConverter in it's emitCells
function. This causes an exception when we try to retrieve non-numeric values from this table.

> Exception is seen as:
> {code}
> java.lang.ClassCastException: org.apache.hadoop.yarn.server.timelineservice.storage.common.GenericConverter
cannot be cast to org.apache.hadoop.yarn.server.timelineservice.storage.common.NumericValueConverter
>         at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowScanner.nextInternal(FlowScanner.java:246)
>         at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowScanner.nextRaw(FlowScanner.java:125)
>         at org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowScanner.nextRaw(FlowScanner.java:119)
>         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2117)
>         at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:31443)
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2031)
>         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:107)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107)
> {code}



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