NullPointerException thrown when trying to stop the ESB server for the second
time through the Jconsole
-------------------------------------------------------------------------------------------------------
Key: ESBJAVA-504
URL: https://wso2.org/jira/browse/ESBJAVA-504
Project: WSO2 ESB
Issue Type: Bug
Affects Versions: NIGHTLY
Environment: Ubuntu7.10, JDK1.5.0_14
Reporter: Evanthika Amarasiri
Assignee: Ruwan Linton
Priority: Minor
Steps to reproduce
1. Started the ESB server and connected to the Jconsole
2. Go to MBeans -> org.wso2.esb -> Admin -> ServerAdmin -> Operations
3. Click on the button "stop" and it will stop the ESB server. If you click on
the stop button once more you will get the following exception
*******************************************************************************************************************************************
2008-05-29 17:00:56,231 [-] [RMI TCP Connection(3)-127.0.1.1] ERROR
ServerManager Error stopping the ServerManager
java.lang.NullPointerException
at
org.apache.axis2.engine.ListenerManager.destroy(ListenerManager.java:222)
at org.apache.synapse.ServerManager.stop(ServerManager.java:206)
at org.wso2.esb.ServiceBusManager.stop(ServiceBusManager.java:213)
at
org.wso2.esb.jmx.mbean.ServiceBusControl.stop(ServiceBusControl.java:42)
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:585)
at
com.sun.jmx.mbeanserver.StandardMetaDataImpl.invoke(StandardMetaDataImpl.java:414)
at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
at
javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1410)
at
javax.management.remote.rmi.RMIConnectionImpl.access$100(RMIConnectionImpl.java:81)
at
javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1247)
at
javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1343)
at
javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:784)
at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
at sun.rmi.transport.Transport$1.run(Transport.java:153)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
at
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:466)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707)
at java.lang.Thread.run(Thread.java:595)
2008-05-29 17:00:56,232 [-] [RMI TCP Connection(3)-127.0.1.1] INFO
ServiceBusManager [ESB] Stop request completed
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