Unregistering previously registered MBeans if a register() for the sa…

…me name is encountered (https://issues.jboss.org/browse/JGRP-1392)
belaban · Nov 25, 2011 · e97c535 · e97c535
1 parent 65e7a85
commit e97c535
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/src/org/jgroups/jmx/JmxConfigurator.java b/src/org/jgroups/jmx/JmxConfigurator.java
@@ -162,6 +162,17 @@ private static void internalRegister(Object obj, MBeanServer server, String name
 
         try {
             ObjectName objName = getObjectName(obj, name);
+            if(server.isRegistered(objName)) {
+                if(log.isWarnEnabled())
+                    log.warn("unregistering already registered MBean: " + objName);
+                try {
+                    server.unregisterMBean(objName);
+                }
+                catch(InstanceNotFoundException e) {
+                    log.error("failed to unregister MBean " + e.getMessage());
+                }
+            }
+
             ResourceDMBean res = new ResourceDMBean(obj);
             server.registerMBean(res, objName);
         } catch (InstanceAlreadyExistsException e) {