Re: [Help] New version of ImageJ does not build in pbuilder because of lacking DISPLAY variable

[Vincent Fourmond <fourmond@debian.org>]

  Hello,

On Mon, Jun 4, 2012 at 12:27 PM, Andreas Tille <andreas@an3as.eu> wrote:
> run:
>     [copy] Copying 1 file to /tmp/buildd
>     [java] No protocol specified
>     [java] Exception in thread "main" java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
>     [java]     at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
>     [java]     at sun.awt.X11GraphicsEnvironment.access$200(X11GraphicsEnvironment.java:62)
>     [java]     at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:178)
>     [java]     at java.security.AccessController.doPrivileged(Native Method)
>     [java]     at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:142)
>     [java]     at java.lang.Class.forName0(Native Method)
>     [java]     at java.lang.Class.forName(Class.java:186)
>     [java]     at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:82)
>     [java]     at java.awt.Window.init(Window.java:424)
>     [java]     at java.awt.Window.<init>(Window.java:477)
>     [java]     at java.awt.Frame.<init>(Frame.java:419)
>     [java]     at ij.ImageJ.<init>(ImageJ.java:132)
>     [java]     at ij.ImageJ.main(ImageJ.java:657)
>
>
> I can confirm that debuild works fine because there is a properly
> setup X environment.
>
> Any clue?  The hint from Steve[2] did not ring a bell when I was looking
> at the lines of code where the problem occured.

  I had similar problems that I solved using xvfb, that provides a
dummy well-behaved X11 server. Just wrap the call to the build system
with xvfb.

  Let's just hope the results of the build are not X11-server-dependent !

  Hope this helps,

      Vincent