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  Creating jars(including LWJGL)  (Read 696 times)
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Offline Del

Senior Newbie





« Posted 2009-02-03 15:05:30 »

edit - Just notice there is a board for LWJGL, gonna repsot in there. Delete which ya think is best. thanks

Hi,
    So, I use netbeans. If I'm using just the JDK, when I want to run my file ad if it is dirtbuted, I just go to the 'dist' folder in my project folder, douldble click the jar and it works perfect.

    When I am using other libraries, in this case LWJGL, its not so simple. If I run from the command line  java -jar "dist directory/myjar.jar" I get

Exception in thread "main" java.lang.UnsatisfiedLinkError: no lwjgl in java.library.path
        at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1709)
        at java.lang.Runtime.loadLibrary0(Runtime.java:823)
        at java.lang.System.loadLibrary(System.java:1030)
        at org.lwjgl.Sys$1.run(Sys.java:72)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.lwjgl.Sys.doLoadLibrary(Sys.java:65)
        at org.lwjgl.Sys.loadLibrary(Sys.java:81)
        at org.lwjgl.Sys.<clinit>(Sys.java:98)
        at Zero2.Zero.<clinit>(Zero.java:49)
Could not find the main class: Zero2.Zero.  Program will exit.

Which is the same as if I didn't have -Djava.library.path=My LWJGL dll directory in netbeans run classpath. Soo, I add that to my command line to try and run
Java -Djava.library.path=My LWJGL dll directory -jar "dist directory/myjar.jar", And it works fine.
So pretty sure its just to do with packing the dll's into the jar.
  I have searched forums and google'd it a few diff ways and cant seem to solve the problem. I've tried adding tehe dll's to diff directories inside the .jar, also just leaving them in the same directory as the jar. Nothing seems to work.

Maybe there is a way of declaring where the dll's are in the manifest? I mean 
Java -Djava.library.path=My LWJGL dll directory -jar "dist directory/myjar.jar"
works fine as a test on my system, but if I wanted to just give the prgram to somone as an executable file, thats not really gonna be good if i have to pack the dlls and tell them to run it via the command line and put a path to them.

Sorry If I coulda explained this in a faster way...

Hope I can get a solution to this.

Thanks in advance

Del

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