[JBoss-dev] NPE when shutting down a host

[Remy M. <re...@jb...>]

Going back to the TC 5 integration, I run into a problem while 
undeploying the SAR:

22:50:47,367 ERROR [StandardHost] Error creating deployer
java.lang.NullPointerException
         at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:119)
         at 
org.jboss.mx.loading.UnifiedClassLoader3.loadClassImpl(UnifiedClassLoader3.java:185)
         at 
org.jboss.mx.loading.UnifiedClassLoader3.loadClass(UnifiedClassLoader3.java:139)
         at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
         at java.lang.Class.forName0(Native Method)
         at java.lang.Class.forName(Class.java:141)
         at 
org.apache.catalina.core.StandardHost.getDeployer(StandardHost.java:1019)
         at 
org.apache.catalina.core.StandardHost.findDeployedApps(StandardHost.java:916)
         at 
org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1042)
         at 
org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1024)
         at 
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:395)
         at 
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
         at 
org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1165)
         at 
org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1177)
         at 
org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:523)
         at 
org.apache.catalina.core.StandardService.stop(StandardService.java:575)
         at 
org.apache.catalina.core.StandardServer.stop(StandardServer.java:2379)
         at org.apache.catalina.startup.Catalina.stop(Catalina.java:647)
         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:324)
         at 
org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503)
         at 
org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:72)
         at 
org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:544)
         at org.jboss.web.tomcat.tc5.Tomcat5.stopService(Tomcat5.java:173)
         at 
org.jboss.system.ServiceMBeanSupport.stop(ServiceMBeanSupport.java:240)
....

I think this is caused by the JMX 1.2 checkin in the 3.2 branch.
Any idea of a workaround ?

-- 
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Rémy Maucherat
Senior Developer & Consultant
JBoss Group (Europe) SàRL
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