Pack200 Verify Error

[Ranger]

Hi all,

I completed my 2013 entry.  The jar file works great: http://brasurf.com.au/DemolitionDerby4K/

However, I then ran Pack200 on it: pack200 xxx.pack.gz xxx.jar and uploaded it to the Java4K site: http://www.java4k.com/index.php?action=games&method=view&gid=431  And when trying to run it, it now throws an error:



I can't figure out what I've done wrong?  Any ideas would be greatly appreciated!

Thanks.

[Jimmt]

The game works fine for me.

[Ranger]

Thanks Jimmt.  I just tried it on my other computer, and you're right, it works fine.  Must be something odd with the Java install on this computer.   

Cheers.

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[Riven]

The java bytecode verifier's strictness varies among JRE versions. Did you let Proguard mess with the bytecode?

[Jimmt]

The java bytecode verifier's strictness varies among JRE versions. Did you let Proguard mess with the bytecode?

Does this occur only with Proguard?

[Ranger]

I am running it through proguard.  I'm using the 4KJO tool.

Weird thing is I use the same 4KJO tool on my previous years entries, and they all run fine on this computer.

[Ranger]

Hmm.  I just went into the Windows 7 Control Panel -> Java -> Temporary Internet Files -> Settings -> Delete Files.  And trashed all the cached files.  Now it works fine on this computer.

I have a feeling something odd happened when I was switching from Java 7 then back to Java 6 (I upgraded to 7, then realised 7 made a larger compile, so I switched back to 6, and all the time I was testing in the browser).