This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Greetings Craig, If you are trying to run the IDV over an ssh connection, you will need to use a remote desktop client (like VNC) so that you have access to the machines video card (Java3D uses openGL, which needs access to the remote machine's video card). Sean > Hi, > > I just installed the latest nightly build of IDV for 64-bit Linux on SDSC's > gordon supercomputing cluster. > > When I try to run IDV through an X11 Window terminal, it generates these > errors and crashes: > > Java 3D ERROR : glXMakeCurrent fails > Canvas3D_createNewContext: couldn't make current > > DefaultRenderingErrorListener.errorOccurred: > CONTEXT_CREATION_ERROR: Renderer: Error creating Canvas3D graphics context > graphicsDevice = X11GraphicsDevice[screen=0] > canvas = visad.java3d.VisADCanvasJ3D[canvas0,0,0,592x462] > > java -version tells me they have java 1.6.0_26 installed. > > Is there some environment variable I can set to make it work? > > Thank you! > Craig > > Ticket Details =================== Ticket ID: UXR-866010 Department: Support IDV Priority: Normal Status: Open