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  [Solved] Error when launching exported .jar  (Read 1603 times)
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Offline Silentnight18

Junior Newbie





« Posted 2011-12-10 22:49:33 »

put it simply, I have the error below (see pic) and no matter what i try I cant fix it. I presume its something blaintly obvious but I guess I need it pointed out.

Just a bit of info:

Using Eclipse Indigo, Windows 7 OS, I am using LWJGL, I have the external jar added to the project, I have the native set to the natives from the initial download. I export the jar via Eclipse Export and I run it via a Run.bat file which contains the contents "java -jar Test.jar" Test.jar being the jar name.

Offline kappa
« League of Dukes »

JGO Kernel


Medals: 74
Projects: 15


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« Reply #1 - Posted 2011-12-10 23:23:19 »

You can't run a LWJGL application like that, you also have to add the lwjgl jars and natives to the classpath, using something like the following:

1  
java -cp Test.jar;lib\lwjgl.jar;lib\lwjgl_util.jar; -Djava.library.path=native\windows yourpackagename.yourMainClass 


In your case you only have the Test.jar so java can't find LWJGL or its natives.

If you do just want to have a single jar, then you can use a tool like JarSplice to create a fat jar, which will merge the lwjgl jars and natives into your jar, allowing you to just double click it to start.
Offline Silentnight18

Junior Newbie





« Reply #2 - Posted 2011-12-10 23:44:14 »

Thanks for quick reply. Sometimes it just takes stupid obvious point outs for nubs like me to get their shit right =P.

Thanks again.
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