Running headless not solving problem with X11 connectivity error
I'm having a variation on a problem referenced in quite a few places, but I don't seem to be getting any closer to a solution.
I'm running a stand-alone, console-only application that uses javax.swing.text.html.HTMLEditorKit to return plain text from HTML for use in multi-part e-mails. That class is causing the following error when running on the Unix server:
java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:175)
at java.lang.Class.forName1(Native Method)
at java.lang.Class.forName(Class.java:180)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:91)
at sun.awt.motif.MToolkit.<clinit>(MToolkit.java:124)
at java.lang.Class.forName1(Native Method)
at java.lang.Class.forName(Class.java:180)
at java.awt.Toolkit$2.run(Toolkit.java:796)
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:787)
at java.awt.Toolkit.getEventQueue(Toolkit.java:1572)
at java.awt.EventQueue.isDispatchThread(EventQueue.java:731)
at javax.swing.SwingUtilities.isEventDispatchThread(SwingUtilities.java:1269)
at javax.swing.text.StyleContext.reclaim(StyleContext.java:448)
at javax.swing.text.StyleContext.addAttribute(StyleContext.java:305)
at javax.swing.text.html.StyleSheet.addAttribute(StyleSheet.java:568)
at javax.swing.text.StyleContext$NamedStyle.addAttribute(StyleContext.java:1497)
at javax.swing.text.StyleContext$NamedStyle.setName(StyleContext.java:1307)
at javax.swing.text.StyleContext$NamedStyle.<init>(StyleContext.java:1255)
at javax.swing.text.StyleContext.addStyle(StyleContext.java:117)
at javax.swing.text.StyleContext.<init>(StyleContext.java:97)
at javax.swing.text.html.StyleSheet.<init>(StyleSheet.java:177)
at javax.swing.text.html.HTMLEditorKit.getStyleSheet(HTMLEditorKit.java:387)
at javax.swing.text.html.HTMLEditorKit.createDefaultDocument(HTMLEditorKit.java:218)
I don't have the option of starting an X11 service on this server, so I have to find another way around.
I'm using Java 1.4.2, so my understanding is that headless mode should solve this problem for me. I've tried adding the statement
System.setProperty("java.awt.headless","true");
to the code with no avail, and tried running it with the option "-Djava.awt.headless=true" from the command line, also with no luck.
Is anyone able to give me a tip on what other course of action I can try?
Thanks, but I'm not sure what you mean. I don't know that I have access to "the source of X11GraphicsEnvironment" and I'm not confident I could locate and solve the problem if I did.
I'm a little puzzled that it's not working in headless mode, because everything that my searching turned up indicated that it worked fine in 1.4.2 unless heavyweight components were used, which they aren't.
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<pre>--------
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~~~~~~~~~~~~~~~
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