Exception in thread "AWT-EventQueue-0" java.awt.HeadlessException

[David Orriss Jr]

Apparently I had a throttled X11 process... after rebooting using
-Djava.awt.headless=false worked.



On Sat, Nov 6, 2010 at 12:28 AM, David Orriss Jr <codethought at gmail.com>wrote:

> I ran into the same problem here.  So I included the
> -Djava.awt.headless=false command line option.  I got a more descriptive
> error.  Not sure why tho.. X11 is running and I've set the correct value for
> DISPLAY, as far as I know.
>
> Exception in thread "main" 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.access$200(X11GraphicsEnvironment.java:65)
>     at
> sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:110)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at
> sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:74)
>     at java.lang.Class.forName0(Native Method)
>
>
>
>
>
> On Tue, Nov 2, 2010 at 2:54 PM, <niagarasoft20-bsdportdev at yahoo.com>wrote:
>
>> I forgot to add my build.sh file contents to the original post.
>>
>> ****build.sh*****
>>
>> #!/bin/bash
>> unset CLASSPATH
>> unset JAVA_HOME
>> env -i PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
>> make \
>>  ALLOW_DOWNLOADS=true \
>>  ALT_BOOTDIR=/usr/local/soylatte16-i386-1.0.3 \
>>  ALT_JDK_IMPORT_PATH=/usr/local/soylatte16-i386-1.0.3 \
>>  ALT_FREETYPE_HEADERS_PATH=/usr/X11R6/include \
>>  ALT_FREETYPE_LIB_PATH=/usr/X11R6/lib \
>>  ALT_CUPS_HEADERS_PATH=/usr/include \
>>  ANT_HOME=/usr/share/ant \
>>  EXTRA_LIBS="-framework CoreFoundation" \
>>  CC=gcc-4.0 \
>>  CXX=g++-4.0 \
>>  LANG=C \
>>  NO_DOCS=true
>>
>> Regards,
>> Mike
>>
>>
>> ---------------------------------------
>>
>>
>>
>> ----- Original Message ----
>> From: "niagarasoft20-bsdportdev at yahoo.com" <
>> niagarasoft20-bsdportdev at yahoo.com>
>> To: bsd-port-dev at openjdk.java.net
>> Sent: Tue, November 2, 2010 5:28:11 PM
>> Subject: Exception in thread "AWT-EventQueue-0" java.awt.HeadlessException
>>
>> When building on Mac OS 10.6 using solylatte described on the building
>> page
>> http://wikis.sun.com/display/OpenJDK/Darwin10Build, it compiles fine and
>> javac
>> is working, but when trying to run java and start.HelloWorldSwing Demo am
>> getting the error:
>>
>> Exception in thread "AWT-EventQueue-0" java.awt.HeadlessException
>>    at
>> java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:202)
>>    at java.awt.Window.<init>(Window.java:532)
>>    at java.awt.Frame.<init>(Frame.java:420)
>>    at javax.swing.JFrame.<init>(JFrame.java:224)
>>    at start.HelloWorldSwing.createAndShowGUI(HelloWorldSwing.java:60)
>>    at start.HelloWorldSwing.access$000(HelloWorldSwing.java:52)
>>    at start.HelloWorldSwing$1.run(HelloWorldSwing.java:77)
>>    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
>>    at java.awt.EventQueue.dispatchEvent(EventQueue.java:660)
>>    at
>>
>> java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
>>
>>
>>    at
>>
>> java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
>>    at
>>
>> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
>>
>>
>>    at
>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
>>    at
>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
>>    at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
>>
>>
>> Looks like it's having trouble connecting to the X11 environment. Any
>> suggestions?
>>
>> Mike
>>
>>
>
>
> --
> David Orriss Jr.
>
> My blog: http://www.codethought.com/blog
>
>


-- 
David Orriss Jr.

My blog: http://www.codethought.com/blog
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