[jira] [Created] (AMQ-6211) Synchronize creating of JMX OpenType objects

["Dejan Bosanac (JIRA)" <ji...@apache.org>]

Dejan Bosanac created AMQ-6211:
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             Summary: Synchronize creating of JMX OpenType objects
                 Key: AMQ-6211
                 URL: https://issues.apache.org/jira/browse/AMQ-6211
             Project: ActiveMQ
          Issue Type: Bug
          Components: JMX
    Affects Versions: 5.13.0
            Reporter: Dejan Bosanac
            Assignee: Dejan Bosanac
             Fix For: 5.14.0


In certain scenarios multiple threads can try to initialize the same openmbean type, which can lead to these type of exceptions.

{code}javax.management.openmbean.OpenDataException: Argument's element itemNames[25]="JMSCorrelationID" duplicates a previous item names.
	at javax.management.openmbean.CompositeType.<init>(CompositeType.java:153)
	at org.apache.activemq.broker.jmx.OpenTypeSupport$AbstractOpenTypeFactory.createCompositeType(OpenTypeSupport.java:82)
	at org.apache.activemq.broker.jmx.OpenTypeSupport$AbstractOpenTypeFactory.getCompositeType(OpenTypeSupport.java:70)
	at org.apache.activemq.broker.jmx.OpenTypeSupport.convert(OpenTypeSupport.java:543)
	at org.apache.activemq.broker.jmx.DestinationView.browse(DestinationView.java:206)
	at org.apache.activemq.broker.jmx.DestinationView.browse(DestinationView.java:186)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279)
	at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:112)
	at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:46)
	at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)
	at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138)
	at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252)
	at javax.management.StandardMBean.invoke(StandardMBean.java:405)
	at org.apache.activemq.broker.jmx.AnnotatedMBean.invoke(AnnotatedMBean.java:216)
{code}

Creating composite type should be synchronized. 



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