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From "Jason Lowe (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4008) ResourceManager throws MetricsException on start up saying QueueMetrics MBean already exists
Date Wed, 14 Mar 2012 22:04:39 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13229674#comment-13229674
] 

Jason Lowe commented on MAPREDUCE-4008:
---------------------------------------

This is specific to the FifoScheduler, as the error doesn't occur when configured to use the
CapacityScheduler.
                
> ResourceManager throws MetricsException on start up saying QueueMetrics MBean already
exists
> --------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4008
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4008
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, resourcemanager
>    Affects Versions: 0.24.0
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>
> {code:xml}
> 2012-03-14 15:22:23,089 WARN org.apache.hadoop.metrics2.util.MBeans: Error creating MBean
object name: Hadoop:service=ResourceManager,name=QueueMetrics,q0=default
> org.apache.hadoop.metrics2.MetricsException: org.apache.hadoop.metrics2.MetricsException:
Hadoop:service=ResourceManager,name=QueueMetrics,q0=default already exists!
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newObjectName(DefaultMetricsSystem.java:117)
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newMBeanName(DefaultMetricsSystem.java:102)
> 	at org.apache.hadoop.metrics2.util.MBeans.getMBeanName(MBeans.java:91)
> 	at org.apache.hadoop.metrics2.util.MBeans.register(MBeans.java:55)
> 	at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.startMBeans(MetricsSourceAdapter.java:218)
> 	at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.start(MetricsSourceAdapter.java:93)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.registerSource(MetricsSystemImpl.java:243)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl$1.postStart(MetricsSystemImpl.java:227)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl$3.invoke(MetricsSystemImpl.java:288)
> 	at $Proxy6.postStart(Unknown Source)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.start(MetricsSystemImpl.java:183)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.init(MetricsSystemImpl.java:155)
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.init(DefaultMetricsSystem.java:54)
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.initialize(DefaultMetricsSystem.java:50)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.start(ResourceManager.java:454)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:588)
> Caused by: org.apache.hadoop.metrics2.MetricsException: Hadoop:service=ResourceManager,name=QueueMetrics,q0=default
already exists!
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newObjectName(DefaultMetricsSystem.java:113)
> 	... 19 more
> 2012-03-14 15:22:23,090 WARN org.apache.hadoop.metrics2.util.MBeans: Failed to register
MBean "null"
> javax.management.RuntimeOperationsException: Exception occurred trying to register the
MBean
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:969)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482)
> 	at org.apache.hadoop.metrics2.util.MBeans.register(MBeans.java:57)
> 	at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.startMBeans(MetricsSourceAdapter.java:218)
> 	at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.start(MetricsSourceAdapter.java:93)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.registerSource(MetricsSystemImpl.java:243)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl$1.postStart(MetricsSystemImpl.java:227)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl$3.invoke(MetricsSystemImpl.java:288)
> 	at $Proxy6.postStart(Unknown Source)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.start(MetricsSystemImpl.java:183)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.init(MetricsSystemImpl.java:155)
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.init(DefaultMetricsSystem.java:54)
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.initialize(DefaultMetricsSystem.java:50)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.start(ResourceManager.java:454)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:588)
> Caused by: java.lang.IllegalArgumentException: No object name specified
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:967)
> 	... 20 more
> {code}

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