[idvusers] IDV with isl; headless; by user apache ; gets Canvas3D: null GraphicsConfiguration

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  • Subject: [idvusers] IDV with isl; headless; by user apache ; gets Canvas3D: null GraphicsConfiguration
  • From: Stuart Wier <wier@xxxxxxxxxx>
  • Date: Tue, 08 Dec 2009 11:24:50 -0700
Running the IDV on Linux with an isl file, as user apache, on a headless web server, to make an image file of display gets this error:

ERROR: Creating display master
Canvas3D: null GraphicsConfiguration
java.lang.NullPointerException: Canvas3D: null GraphicsConfiguration
        at 
javax.media.j3d.Canvas3D.checkForValidGraphicsConfig(Canvas3D.java:982)
        at javax.media.j3d.Canvas3D.<init>(Canvas3D.java:1051)
        at visad.java3d.VisADCanvasJ3D.<init>(VisADCanvasJ3D.java:211)
        at visad.java3d.DisplayImplJ3D.initialize(DisplayImplJ3D.java:405)

The process's non-error output is:
Tue Dec 08 11:14:13 MST 2009: Loading bundle: 
/state/partition1/unavco/tomoserver/MITP_generic_plan_display.xidv
Tue Dec 08 11:14:16 MST 2009: Waiting for displays to render
Tue Dec 08 11:14:17 MST 2009: Done waiting for displays to render

The command is
/state/partition1/unavco/idv27/jre/bin/java -Xmx1200m -Didv.enableStereo=false -jar /state/partition1/unavco/idv27/idv.jar -userpath /state/partition1/unavco/tomoserver/IDV/DefaultIdv /state/partition1/unavco/tomoserver/working_apache.isl >> isloutput 2>islerrors

Running exactly the same command in the same directory by a regular user, not 
apache, makes the image with no error.

Looks like apache and java3D don't get along somehow.

Any ideas will be appreciated.

Stuart



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