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  My applet games don't seem to work with 1.5 plugin.  (Read 1267 times)
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Offline Glo-man

Junior Newbie





« Posted 2005-11-01 16:53:12 »

I recently upgraded my browser to use the latest version of the Java plugin, but now the applet games I wrote a few years ago no longer work.  Anyone know of a reason why this would be?  My games can be found at:

http://www.dayglofishermen.com (navigate to the games page).

The games were written in Java 1.1 and are not in jars (separate class files/gifs etc.).

Can anyone point me in the right direction?

Regards...
Offline cborders

Junior Devvie





« Reply #1 - Posted 2005-11-01 18:17:13 »

Here's the stacktrace that I got.  It seems that the class loader can't find the game!

load: class dayglounderworld.DaygloUnderworld.class not found.
java.lang.ClassNotFoundException: dayglounderworld.DaygloUnderworld.class
   at sun.applet.AppletClassLoader.findClass(Unknown Source)
   at java.lang.ClassLoader.loadClass(Unknown Source)
   at sun.applet.AppletClassLoader.loadClass(Unknown Source)
   at java.lang.ClassLoader.loadClass(Unknown Source)
   at sun.applet.AppletClassLoader.loadCode(Unknown Source)
   at sun.applet.AppletPanel.createApplet(Unknown Source)
   at sun.plugin.AppletViewer.createApplet(Unknown Source)
   at sun.applet.AppletPanel.runLoader(Unknown Source)
   at sun.applet.AppletPanel.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed.
   at sun.applet.AppletClassLoader.getBytes(Unknown Source)
   at sun.applet.AppletClassLoader.access$100(Unknown Source)
   at sun.applet.AppletClassLoader$1.run(Unknown Source)
   at java.security.AccessController.doPrivileged(Native Method)
   ... 10 more
Exception in thread "Thread-8" java.lang.NullPointerException
   at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
   at sun.plugin.AppletViewer.showAppletException(Unknown Source)
   at sun.applet.AppletPanel.runLoader(Unknown Source)
   at sun.applet.AppletPanel.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
java.lang.NullPointerException
   at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
   at sun.plugin.AppletViewer.showAppletStatus(Unknown Source)
   at sun.applet.AppletPanel.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
Exception in thread "thread applet-dayglounderworld.DaygloUnderworld.class" java.lang.NullPointerException
   at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
   at sun.plugin.AppletViewer.showAppletException(Unknown Source)
   at sun.applet.AppletPanel.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
Offline Glo-man

Junior Newbie





« Reply #2 - Posted 2005-11-02 11:42:05 »

Yes, I've seen that stack trace.  The games work on my local copy of the website, but not once I upload.  It used to work (I have changed nothing).  The urls are relative.  Is it some security setting new to the latest plugin?
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Offline erikd

JGO Ninja


Medals: 16
Projects: 4
Exp: 14 years


Maximumisness


« Reply #3 - Posted 2005-11-04 11:27:07 »

I noticed that in your .jar file the classes are not in the right package. I expected "dayglounderworld.DaygloUnderworld.class" to be in a directory called "dayglounderworld", but it's in the root instead (default package).
Furthermore, you could try to define the main-class in the manifest.

Offline nonnus29

Senior Devvie




Giving Java a second chance after ludumdare fiasco


« Reply #4 - Posted 2005-11-04 15:43:30 »

If you last compiled them with 1.1 they won't be found by jre 1.3+ as the format changed or something.  You'll need to recompile them with a more recent jdk.

Or maybe not.
Offline Alan_W

JGO Knight


Medals: 8
Projects: 3


Java tames rock!


« Reply #5 - Posted 2005-11-04 18:30:56 »

I agree with erikd.  I tried repackaging the files, but still wasn't getting any joy.
The Java 1.1 bytecode ought to still work.

Time flies like a bird. Fruit flies like a banana.
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