How to track System.exit(0) call

hi there,
how can i trace the System.exit(0) function call in my program.
i.e as we know which class is being loaded into the jvm by overriding
the classloader, can we similarly know when is our jvm going to be
destroyed. here iam invoking jvm from my windows program using invocation api.
any help is mostly appreciated.
thanks in advance
bye
ramana

Not sure I know what you are asking.
You could create a security manager which prevents exit() from being called.
You could replace System using the bootstrap command line option. Although if you do that you can not distribute it due to the license agreement. Once replaced you can do anything you want in the application.
You could use Runtime.addShutdownHook() if you just want to do something when the application exits.

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So the method blocks (and presumably does nothing, but I admit I'm making up that last bit) if called as part of a shutdown hook.
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How stop call to System.exit but allow them to install Securitymanager?

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6tr6tr wrote:
Thanks for the reply!
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Also in this case i am not exiting the TaskFlow during the navigation.
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Edited by: user586616 on Aug 31, 2009 3:54 AM
Edited by: user586616 on Aug 31, 2009 3:57 AM

Hi Frank,
I have created a ControllerClass which implements RegionController. I have registered the same as controller class in my pageFragments PageDef.
So, on navigation from one train node to another. due to post back call to leaving node and freshcall to the arriving node in the train flow. i am able to get the leaving as well approaching node.
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Sample Code which i have implemented:
public class RegionControllerBean implements RegionController {
public boolean refreshRegion(RegionContext regionContext) {
System.out.println("**********************************");
System.out.println("inside refreshRegion method call");
String selectedView = ControllerContext.getInstance().getCurrentViewPort().getViewId(); ------> this gives me the handle to the viewId of the curently selected pageFragment
System.out.println(ControllerContext.getInstance().getCurrentViewPort().getViewId().toString());
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How to track System.exit(0) call

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