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Re: why do I get this error message?
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Posted: Feb 14, 2006 10:41 PM
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That means that some jar are "executable".
In the jar file there can be a manifest file containing information about the main class.
If you double-click on the jar file (you did not "open" it) the Java Runtime Environment is launched and searches for the main-class attribute. If it doesn't find one, you get this error message.
If you want to take a look at the jar files content, you have to open it with winzip, winrar or whatever pack program you want.
The jar file is just a renamed zip file.
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