I got it running fine in my ubuntu-netbeans. You should be able to run 
it by creating a soft link in jvm folder ~/jre/lib/amd64/  (my machine 
is running 64 bits) to /usr/local/lib/libj3dcore-ogl.so

Yow Tzu

 Sean Luke wrote:
> If you like you can eliminate the Java3D code by deleting the 
> display3d and portrayal3d directories.  But it's easy to get Java3D 
> working.  Per the instructions on the MASON website, if you don't have 
> a Mac, Java3D has to be installed from Sun's site.
>
> Windows:
> http://java.sun.com/javase/technologies/desktop/java3d/index.jsp
>
> Linux:
> https://java3d.dev.java.net/binary-builds.html
>
> Sean
>
> Mark Coletti wrote:
>> I have MASON running under netbeans 6.0.1.  I get the following errors
>> when I run any of the 3d simulations:
>>
>> run:
>> java.lang.UnsatisfiedLinkError: no j3dcore-ogl in java.library.path
>>         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
>>         at java.lang.Runtime.loadLibrary0(Runtime.java:823)
>>         at java.lang.System.loadLibrary(System.java:1030)
>>         at javax.media.j3d.NativePipeline$1.run(NativePipeline.java:231)
>>         at java.security.AccessController.doPrivileged(Native Method)
>>         at 
>> javax.media.j3d.NativePipeline.loadLibrary(NativePipeline.java:200)
>>         at 
>> javax.media.j3d.NativePipeline.loadLibraries(NativePipeline.java:157)
>>         at 
>> javax.media.j3d.MasterControl.loadLibraries(MasterControl.java:987)
>>         at 
>> javax.media.j3d.VirtualUniverse.<clinit>(VirtualUniverse.java:299)
>>         at javax.media.j3d.GroupRetained.<init>(GroupRetained.java:161)
>>         at 
>> javax.media.j3d.TransformGroupRetained.<init>(TransformGroupRetained.java:121) 
>>
>>         at 
>> javax.media.j3d.TransformGroup.createRetained(TransformGroup.java:119)
>>         at 
>> javax.media.j3d.SceneGraphObject.<init>(SceneGraphObject.java:119)
>>         at javax.media.j3d.Node.<init>(Node.java:178)
>>         at javax.media.j3d.Group.<init>(Group.java:556)
>>         at javax.media.j3d.TransformGroup.<init>(TransformGroup.java:92)
>>         at sim.display3d.Display3D.<init>(Display3D.java:1130)
>>         at 
>> sim.app.heatbugs3d.HeatBugs3DWithUI.init(HeatBugs3DWithUI.java:153)
>>         at sim.display.Console.<init>(Console.java:981)
>>         at sim.display.Console.doNew(Console.java:1728)
>>         at sim.display.Console.main(Console.java:1424)
>>
>> The 3d libraries are associated with the project and the .so files are
>> in the ldconfig cache:
>>
>> % ldconfig -p | grep j3d
>>         libj3dcore-ogl.so (libc6) => /usr/local/lib/libj3dcore-ogl.so
>>         libj3dcore-ogl-cg.so (libc6) => 
>> /usr/local/lib/libj3dcore-ogl-cg.so
>>
>> All the other MASON simulations appear to run fine.  Again, only the
>> 3D related simulations fail with the above error.
>>
>> Cheers,
>>
>> Mark