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From "Dominique Devienne" <>
Subject RE: Creation of an executable jar problem
Date Tue, 01 Feb 2005 17:41:19 GMT
> From: Eric Rotick []
> I've created an executable jar. When I run it with
> java -jar myjar.jar
> I get the NoClassDefFoundError: error.
> I've looked in the list archives and there are several posts about ant
> not creating an executable jar correctly but none of these come to any
> real conclusion as to why.
> I've extracted the jar and everything looks OK. I then created a new
> jar from the command line with the extracted contents and this works.
> One other thing is that the sizes of the two jars are different. If a
do a
> jar tvf
> on each of them, the contents are exactly the same size.
> I'm not creating a jarindex on either of them and I make sure that
> both are compressed or both are not. When compressed the difference is
> about 100 bytes and when not compressed the difference is 8 bytes.

How do you create the Manifest? I've used the nested <manifest> element
inside <jar> successfully to create executable jars. --DD

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