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https://issues.apache.org/jira/browse/AMBARI-25635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Payer reassigned AMBARI-25635:
------------------------------------

    Assignee: Tamas Payer

> Clear Cluster and METRIC_AGGREGATORS MBeans upon shutdown
> ---------------------------------------------------------
>
>                 Key: AMBARI-25635
>                 URL: https://issues.apache.org/jira/browse/AMBARI-25635
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics
>    Affects Versions: 2.7.4, 2.7.5
>            Reporter: Tamas Payer
>            Assignee: Tamas Payer
>            Priority: Major
>              Labels: metric-collector
>             Fix For: 2.7.6
>
>
> Following warnings appear in metrics-collector.log upon startup.
> {code:java}
> javax.management.InstanceAlreadyExistsException: ClusterStatus: 
> cluster=ambari-metrics-cluster,instanceName=ctr-e153-1613480641811-87570-01-000057.hwx.site_12001
>  at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)
>  at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)
>  at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)
>  at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)
>  at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)
>  at 
> com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
>  at 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor.register(ClusterStatusMonitor.java:172)
>  at 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor.registerInstances(ClusterStatusMonitor.java:498)
>  at 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor.setClusterInstanceStatus(ClusterStatusMonitor.java:220)
>  at 
> org.apache.helix.controller.stages.ReadClusterDataStage.process(ReadClusterDataStage.java:91)
>  at org.apache.helix.controller.pipeline.Pipeline.handle(Pipeline.java:48)
>  at 
> org.apache.helix.controller.GenericHelixController.handleEvent(GenericHelixController.java:295)
>  at 
> org.apache.helix.controller.GenericHelixController$ClusterEventProcessor.run(GenericHelixController.java:595)
> {code}
> and
> {code:java}
> 2021-03-09 23:15:53,450 INFO 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor: Register MBean: 
> ClusterStatus: 
> cluster=ambari-metrics-cluster,instanceName=ctr-e153-1613480641811-87570-01-000057.hwx.site_12001,resourceName=METRIC_AGGREGATORS
> 2021-03-09 23:15:53,450 INFO 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor: Register MBean: 
> ClusterStatus: 
> cluster=ambari-metrics-cluster,instanceName=ctr-e153-1613480641811-87570-01-000057.hwx.site_12001,resourceName=METRIC_AGGREGATORS
> 2021-03-09 23:15:53,450 WARN 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor: Could not register 
> MBean: ClusterStatus: 
> cluster=ambari-metrics-cluster,instanceName=ctr-e153-1613480641811-87570-01-000057.hwx.site_12001,resourceName=METRIC_AGGREGATORS
> javax.management.InstanceAlreadyExistsException: ClusterStatus: 
> cluster=ambari-metrics-cluster,instanceName=ctr-e153-1613480641811-87570-01-000057.hwx.site_12001,resourceName=METRIC_AGGREGATORS
>         at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)
>         at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)
>         at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)
>         at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)
>         at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)
>         at 
> com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
>         at 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor.register(ClusterStatusMonitor.java:172)
>         at 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor.registerPerInstanceResources(ClusterStatusMonitor.java:537)
>         at 
> org.apache.helix.monitoring.mbeans.ClusterStatusMonitor.setPerInstanceResourceStatus(ClusterStatusMonitor.java:307)
>         at 
> org.apache.helix.controller.stages.BestPossibleStateCalcStage.process(BestPossibleStateCalcStage.java:74)
>         at 
> org.apache.helix.controller.pipeline.Pipeline.handle(Pipeline.java:48)
>         at 
> org.apache.helix.controller.GenericHelixController.handleEvent(GenericHelixController.java:295)
>         at 
> org.apache.helix.controller.GenericHelixController$ClusterEventProcessor.run(GenericHelixController.java:595)
> {code}



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