on 06-24-2004 5:09 PM
Hi!
I am trying to get handle of an MBeanServer from the JVM like described
in the Netweaver help (in reality there is still a try .. catch clause to be added):
import javax.naming.InitialContext;
import javax.management.MBeanServer;
...
// Lookup MBeanServer from the JNDI
InitialContext initCtx = new InitialContext();
MBeanServer mbs = (MBeanServer) initCtx.lookup("jmx");
But if I do that I alway get this Exception you can see below. So now I wonder do I have a problem with the configuration of my server or is the documentation of SAP wrong? Has somebody else tried something like this.
Thanks for any hints!!
Nils
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(NamingManager.java:640)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:280)
at javax.naming.InitialContext.lookup(InitialContext.java:347)
at M.init(M.java:33)
at M.main(M.java:114)
Hi Nils,
did you specify the InitialContext factory to be used? Because that's missing in the code snippet.
You should use something like
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sap.engine.services.jndi.InitialContextFactoryImpl");
..........
for more information about creating InitialContext see the documentation at http://help.sap.com/saphelp_nw04/helpdata/en/08/8f633e0084e946e10000000a114084/frameset.htm
Hope that helps.
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Hi Ivaylo!
Thanks for the advice, but the thing is running on the server side and the document you refered me to says the following:
Clients that are running on the server side do not need to specify any properties. They simply use the InitialContext constructor without parameters:
Context ctx = new InitialContext();
And I suppose the "Properties env" is supposed to get in "InitialContext(env);", but since I won't use this call at all ...
Hm, it is a pity, since sometimes it would really easier not to do it remotely. Any other ideas?
Thanks in advance,
Nils
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