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Unable to execute jar file....got following stack trace.

 
Jigar Naik
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Hi,

i'm using jasper report for generating report.

following is my java class for displaying report,



i have created jar(JR.jar) file

the entry of MANIFEST.MF



when i double click on JR.jar file it gives me the following error



I have tested the Jr.jar file with following command and got the following stack trace




i'm also bundeling all the requeired jar file in my JR.jar file



I'm using JBoss Eclipse IDE 1.6, Jasper Assist for creating jasper report.

and i have tried to create jar file from dos as well as IDE but getting the same error.

can anybody help me out ???
 
Maurizio Nagni
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You cannot include jars in a jar. The classloaders will not find classes inside of multiple jars.
To do this, you'll need to write ( or find) a custom classloader or better add classes to your JAR File's Classpath according to

http://java.sun.com/docs/books/tutorial/deployment/jar/downman.html
 
Paul Sturrock
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Eclipse IDE Hibernate Java
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Not an advanced question. Moving...
 
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