[jboss-user] [Beginners Corner] - Re: JBoss API usage examples

danishkhan do-not-reply at jboss.com
Thu Jul 17 14:17:27 EDT 2008

"PeterJ" wrote : public static void main(String[] args) throws Exception {
  |   |  Context ctx = new InitialContext();
  |   |  MBeanServerConnection mconn =(MBeanServerConnection)ctx.lookup("jmx/invoker/RMIAdaptor");
  |   |  ObjectName name = new ObjectName("jboss.jca:name=xxxDS,service=ManagedConnectionPool");
  |   |  Object val=mconn.getAttribute(name,"InUseConnectionCount");
  |   |  System.out.println(name+"\n\tInUseConnectionCount="+val);
  |   | }

Hi Peter,

upon running this code, I get the following exception..

Exception in thread "main" javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file:  java.naming.factory.initial
	at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
	at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
	at javax.naming.InitialContext.getURLOrDefaultInitCtx(Unknown Source)
	at javax.naming.InitialContext.lookup(Unknown Source)
	at JBossTest.main(JBossTest.java:12)

Any idea how to fix it?


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