###@###.### 2004-05-04

J2SE Version (please include all output from java -version flag):
  java version "1.5.0-beta2"
  Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta2-b48)
  Java HotSpot(TM) Client VM (build 1.5.0-beta2-b48, mixed mode, sharing)

Does this problem occur on J2SE 1.3.x or 1.4.x? Yes / No (pick one)
  No

Operating System Configuration Information (be specific):
  Windows XP

Hardware Configuration Information (be specific):
  Thinkpad T30

Bug Description:
  Java Web Start is throwing a NullPointerException inside the class
  com.sun.javaws.LaunchDownload. It prevents customer's application
  from being run, since Java Web Start hangs when the exception is thrown.

"
Exception in thread "javawsApplicationMain" java.lang.NullPointerException
        at com.sun.javaws.LaunchDownload.checkSignedResourcesHelper(Unknown Source)
        at com.sun.javaws.LaunchDownload.checkSignedResources(Unknown Source)
        at com.sun.javaws.Launcher.continueLaunch(Unknown Source)
        at com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)
        at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
        at com.sun.javaws.Launcher.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
"
  This occurs when try to run the Java Web Start application at
  http://kano.net/partypad/run/broken/partypad.jnlp with b48 on
  WinXP.

Steps to Reproduce (be specific):
  1. Open http://kano.net/partypad/run/broken/partypad.jnlp
  2. Wait, then check trace log for that exception