FULL PRODUCT VERSION :
java.lang.NullPointerException
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)


A DESCRIPTION OF THE PROBLEM :
When launching the web start with java version 7 installed i a m getting the error unable to launch tha app with above exception. please have a look in to this as it is urgent

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
launch a web start app.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
a web applet ( a web start app that is made )

ACTUAL -
java.lang.NullPointerException
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)


ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.lang.NullPointerException
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public class CajoApplet extends BaseApplet {
    
@Override public String getAppletName() { return "applet"; }

public void displayPopup(String memberName) {
invoke("displayPopup", memberName);
    }

    public void openDoor(int status, int port) {
        
        String sTimeout = getParameter("SERIAL_PORT_TIMEOUT");
        int timeout = 1000;
        try {
            if (sTimeout != null) {
                timeout = Integer.parseInt(sTimeout);
            }
        } catch (NumberFormatException ne) {
            // Do nothing - use default
        }
        Object[] args = new Object[] {status, port, timeout};
        invoke("openDoor", args);
    }

public void activateBarcode(String barcode) {
JSObject.getWindow(this).eval("activateBarcode('"+ barcode +"')");
}
    
}
---------- END SOURCE ----------