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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14207) "dfsadmin -refreshCallQueue" command is failing with DecayRpcScheduler
Date Mon, 27 Mar 2017 18:37:42 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated HADOOP-14207:
--------------------------------
    Target Version/s: 2.8.1  (was: 2.8.0)

> "dfsadmin -refreshCallQueue" command is failing with DecayRpcScheduler
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-14207
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14207
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: rpc-server
>            Reporter: Surendra Singh Lilhore
>            Assignee: Surendra Singh Lilhore
>            Priority: Blocker
>         Attachments: HADOOP-14207.001.patch, HADOOP-14207.002.patch, HADOOP-14207.003.patch
>
>
> {noformat}
> java.lang.RuntimeException: org.apache.hadoop.ipc.DecayRpcScheduler could not be constructed.
>         at org.apache.hadoop.ipc.CallQueueManager.createScheduler(CallQueueManager.java:89)
>         at org.apache.hadoop.ipc.CallQueueManager.swapQueue(CallQueueManager.java:260)
>         at org.apache.hadoop.ipc.Server.refreshCallQueue(Server.java:650)
>         at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.refreshCallQueue(NameNodeRpcServer.java:1582)
>         at org.apache.hadoop.ipc.protocolPB.RefreshCallQueueProtocolServerSideTranslatorPB.refreshCallQueue(RefreshCallQueueProtocolServerSideTranslatorPB.java:49)
>         at org.apache.hadoop.ipc.proto.RefreshCallQueueProtocolProtos$RefreshCallQueueProtocolService$2.callBlockingMethod(RefreshCallQueueProtocolProtos.java:769)
>         at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:447)
>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:989)
>         at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:845)
>         at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:788)
>         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:1807)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2455)
> Caused by: org.apache.hadoop.metrics2.MetricsException: Metrics source DecayRpcSchedulerMetrics2.ipc.65110
already exists!
>         at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:144)
>         at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:117)
> {noformat}



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