Re: [Jmol-developers] Do we need to initialize the graphics environment when Jmol is running headless?

[Robert H. <ha...@st...>]

You can't run it without graphics if you are going to create JPG files.
..... If you are doing something else, you can use JmolData.jar, which has
no graphics.



On Sat, Mar 17, 2012 at 8:38 AM, Jonathan Gutow <gu...@uw...> wrote:

> I've been working on using 12.0.45 as a server-side static graphics engine
> for the SageMath group.  I've run into the following problem.  The server
> does not run in an X-session, so there is no graphics environment.  This
> causes an error when Jmol is run as Jmol.jar -ionx.  The error seems to
> imply that we are still initializing the look-and-feel, even when there is
> no GUI.  Is there any reason we can't switch this off?  Here's the error:
>
> Exception in thread "main" java.lang.NoClassDefFoundError: Could not
> initialize class sun.awt.X11GraphicsEnvironment
>        at java.lang.Class.forName0(Native Method)
>        at java.lang.Class.forName(Class.java:186)
>        at
> java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnviron\
> ment.java:82)
>        at sun.awt.X11.XToolkit.<clinit>(XToolkit.java:112)
>        at java.lang.Class.forName0(Native Method)
>        at java.lang.Class.forName(Class.java:186)
>        at java.awt.Toolkit$2.run(Toolkit.java:849)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:841)
>        at
> sun.swing.SwingUtilities2$AATextInfo.getAATextInfo(SwingUtilities2.java:\
> 121)
>        at
> javax.swing.plaf.metal.MetalLookAndFeel.initComponentDefaults(MetalLookA\
> ndFeel.java:1564)
>        at
> javax.swing.plaf.basic.BasicLookAndFeel.getDefaults(BasicLookAndFeel.jav\
> a:147)
>        at
> javax.swing.plaf.metal.MetalLookAndFeel.getDefaults(MetalLookAndFeel.jav\
> a:1599)
>        at javax.swing.UIManager.setLookAndFeel(UIManager.java:530)
>        at javax.swing.UIManager.setLookAndFeel(UIManager.java:570)
>        at javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1320)
>        at javax.swing.UIManager.initialize(UIManager.java:1407)
>        at javax.swing.UIManager.maybeInitialize(UIManager.java:1395)
>        at javax.swing.UIManager.getDefaults(UIManager.java:644)
>        at javax.swing.UIManager.put(UIManager.java:973)
>        at org.jmol.export.dialog.Dialog.setupUIManager(Unknown Source)
>        at org.openscience.jmol.app.jmolpanel.JmolPanel.startJmol(Unknown
> Source)
>        at org.openscience.jmol.app.Jmol.main(Unknown Source)
>
>
>                         Dr. Jonathan H. Gutow
> Chemistry Department                                gu...@uw...
> UW-Oshkosh                                          Office: 920-424-1326
> 800 Algoma Boulevard                                FAX:920-424-2042
> Oshkosh, WI 54901
>                http://www.uwosh.edu/facstaff/gutow
>
>
>
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-- 
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107


If nature does not answer first what we want,
it is better to take what answer we get.

-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900