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Java programs on SGI, Sun, and DEC machines crash when trying to use MI/X as their X server. Is there a way to correct this?

April 26, 2017crash Dec Java machines mi Programs SGI Sun

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Java programs on SGI, Sun, and DEC machines crash when trying to use MI/X as their X server. Is there a way to correct this?

3 Answers

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The problem occurs because the Motif AWT libraries use the Font “plain Dialog 12 point” as a fall-back default font. Unfortunately, when using a remote X server sometimes this font isn’t available. The problem is common enough to be included in the Java Programmer’s FAQ (http://www.faqs.org/faqs/computer-lang/java/programmers/faq/): 4.2 Why do I get this when using JDK 1.1 under X Windows? java.lang.NullPointerException at sun.awt.motif.MFramePeer.(MFramePeer.java:59) at sun.awt.motif.MToolkit.createFrame(MToolkit.java:153) at java.awt.Frame.addNotify(Frame.java) at java.awt.Window.pack(Window.java) A. There’s a missing font on your system. Move font.properties from the “lib” subdirectory aside to font.properties.bak Then it won’t look for the font and fail to find it. Once this fix is in place, MI/X works well with Java clients running on Sun and SGI.

0

Posted

The problem occurs because the Motif AWT libraries use the Font “plain Dialog 12 point” as a fall-back default font. Unfortunately, when using a remote X server sometimes this font isn’t available.

0

Posted

The problem occurs because the Motif AWT libraries use the Font “plain Dialog 12 point” as a fall-back default font. Unfortunately, when using a remote X server sometimes this font isn’t available. The problem is common enough to be included in the Java Programmer’s FAQ (http://www.faqs.org/faqs/computer-lang/java/programmers/faq/): 4.2 Why do I get this when using JDK 1.1 under X Windows? java.lang.NullPointerException at sun.awt.motif.MFramePeer.(MFramePeer.java:59) at sun.awt.motif.MToolkit.createFrame(MToolkit.java:153) at java.awt.Frame.addNotify(Frame.java) at java.awt.Window.pack(Window.java) A. There’s a missing font on your system. Move font.properties from the “lib” subdirectory aside to font.properties.bak Then it won’t look for the font and fail to find it. Once this fix is in place, MI/X works well with Java clients running on Sun and SGI. Note that MI/X has a few fallbacks of its own so that it will be able to handle many problems of this type automatically. For exa