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Problem creating .JAR file with Jess

harshi Sum

Joined: Jan 18, 2011
Posts: 5

I have implement an expert system with the help of jess and java applets(for the user interface) as an university assignment.
Now i want to make a setup file (.jar)

Actually I have create a jar file with it, but when I try to run it with command prompt , it gives an error saying "This copy of Jess has expired.
createGUI didn't complete successfully"

I'm using a trial version of jess which is expire in 1 year (for study purpose).
I had the same issue before this jar file creation. (When i'm trying to run jess files through command prompt also)
But it works fine with the eclipse IDE.

Someone PLEASE help me.... as i need to submit this by 15th with a setup file.

Thanks in advance,
Amolk Patil

Joined: Feb 08, 2011
Posts: 5
Create Manifest file as myapp.MF. No extra spaces. MyApp is your class name which is executed when you run the jar file.


On command line: type the following:

If you are using Eclipse IDE you can create jar file using eclipse.
Go to file menu select export ---> java ---> jar file
Rob Spoor

Joined: Oct 27, 2005
Posts: 20279

Harshi, please KeepItDown.

This has nothing to do with the GUI so I'll move this to Java in General.

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harshi Sum

Joined: Jan 18, 2011
Posts: 5
Thanks for your answer.

Actually my problem is with jess.
I'm using a trail version of jess that will work for 1 year.

But it says "This copy of Jess has expired" when I run the .jar file using command prompt.
It works fine with eclipse when program run normally.

please help me..
It is sorta covered in the JavaRanch Style Guide.
subject: Problem creating .JAR file with Jess
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