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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Hi there, > I have recently downloaded AWIPS II onto my linux machine. I keep getting > an error when trying to plot certain things. The error looks like: > > com.raytheon.uf.viz.core.exception.VizException: Could not find valid > extension for class: interface > com.raytheon.uf.viz.core.drawables.ext.ISingleColorImageExtension at > com.raytheon.uf.viz.core.drawables.ext.GraphicsExtensionManager.getExtension(GraphicsExtensionManager.java:103) > at > com.raytheon.uf.viz.core.AbstractGraphicsTarget.getExtension(AbstractGraphicsTarget.java:478) > at > com.raytheon.viz.core.gl.internal.GLTarget.getExtension(GLTarget.java:1884) > at > com.raytheon.viz.pointdata.thread.PlotModelGeneratorJob.run(PlotModelGeneratorJob.java:107) > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) > Any idea on how to fix this? Sorry CAVE is giving you some issues. Could you please tell us: - what OS of Linux you're using? - what graphics card you have on the machine? - which products you're trying to load that are giving this error? - what is the response when you type 'which python' in a terminal? Thanks. --Shay Carter She/Her/Hers AWIPS Software Engineer UCAR - Unidata If you're interested, please feel free to fill out a survey about the support you receive: https://docs.google.com/forms/d/e/1FAIpQLSeDIkdk8qUMgq8ZdM4jhP-ubJPUOr-mJMQgxInwoAWoV5QcOw/viewform Ticket Details =================== Ticket ID: KJH-114168 Department: Support AWIPS Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.