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From "Surendra Singh Lilhore (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-14207) "dfsadmin -refreshCallQueue" command is failing with DecayRpcScheduler
Date Tue, 21 Mar 2017 15:09:41 GMT
Surendra Singh Lilhore created HADOOP-14207:
-----------------------------------------------

             Summary: "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


{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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