MBeans are not unregistered under WebSphere
-------------------------------------------
Key: AMQ-3807
URL: https://issues.apache.org/jira/browse/AMQ-3807
Project: ActiveMQ
Issue Type: Bug
Components: JMX
Environment: WebSphere 7
Reporter: christian ohr
Priority: Minor
When running ActiveMQ in embedded mode under WebSphere (I know that this is not
a typical JEE-compliant deployment) the ObjectNames of the registered MBeans
are modified by the container. Unfortunately, ActiveMQ fails to keep these
names. As a result, ActiveMQ does not unregister its beans when an application
is stopped, and a restart causes InstanceAlreadyExistExceptions.
The following change to ManagementContext.java may help:
Currently:
{code}
public ObjectInstance registerMBean(Object bean, ObjectName name) throws
Exception {
ObjectInstance result = getMBeanServer().registerMBean(bean, name);
this.registeredMBeanNames.add(name);
return result;
}
{code}
but it should be something like:
{code}
public ObjectInstance registerMBean(Object bean, ObjectName name) throws
Exception {
ObjectInstance result = getMBeanServer().registerMBean(bean, name);
if (result != null) this.registeredMBeanNames.add(result.getObjectName);
return result;
}
{code}
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