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Editorial Team
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Asked: 2026-06-08T23:33:22+00:00

I have a desktop application , which is packaged as a self-executable jar file,

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I have a desktop application , which is packaged as a self-executable jar file, but my code needs to access many jar files , which i have set in the class-path in the manifest file. But the problem that I am encountering is that all the jars to be used in the class-path I have to keep them in the same directory as my executable jar file.What I need is to somehow merge all the various jars so that I can specify this single jar in my class-path in .mf file.
The .mf file is–> 

Class-Path: poi-3.7-20101029.jar poi-examples-3.7-20101029.jar poi-ooxml-3.7-20101029.jar poi-ooxml-schemas-3.7-20101029.jar poi-scratchpad-3.7-20101029.jar jfreechart-1.0.14.jar jcommon-1.0.17.jar jfreechart-1.0.14-experimental.jar jfreechart-1.0.14-swt.jar junit.jar servlet.jar swtgraphics2d.jar gnujaxp.jar iText-2.1.5.jar
Main-Class: gui/GUILauncher

Kindly suggest me a solution, so that I can achieve my objective…

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1 Answer

  1. Editorial Team

    You could specify a path to each at file in the manifest

    Class-Path: lib/poi-3.7-20101029 ...

    And store the library jars here.

    While I like the idea of combining all he classes into a single Jar, you need to be careful of resources that might share the same path. We have this issue in our app, all our Jars contain a Version file we use as a marker and read via Class.getResources(…)

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