[Pkg-osm-maint] Bug#636715: Bug#636715: Launching josm results in a blank white screen, nothing else

[Giovanni Mascellani]

Hi.

Thanks for your information. You're probably hitting a known bug, see below.

On 06/08/2011 13:25, micah anderson wrote:
>> Could you please launch it from a terminal and copy the messages? 
> 
> micah at algae:~$ josm 
> Using /usr/lib/jvm/java-6-sun/bin/java to execute josm.
> Debian-Release: 0.0.svn4064-3
> Build-Date: 2011-06-16 09:29:48
> Revision: 4064
> Is-Local-Build: true
> 
> Warning: no preference 'proxy.policy' found.
> The proxy will not be used.
> Look and Feel not found: javax.swing.plaf.gtk.GTKLookAndFeel
> GET http://api.openstreetmap.org/api/capabilities... OK
> Communications with http://api.openstreetmap.org/api established using protocol version 0.6.
> 
> ... then the white screen.

You're using the Sun proprietary virtual machine, which of course is not
supported by Debian. There are instructions below to use the free
OpenJDK virtual machine.

>> Are you using the variable JAVACMD you can choose which virtual
>> machine use. 
> 
> No, I am not familiar with JAVACMD, so I dont think i am using it.

Sorry, my fault, that wasn't a question. :-)

>> Could you test it with different VMs? 
> 
> I can, but I would need some help to know how to do that. I am very
> unfamiliar with Java VMs.

Try this command:

JAVACMD=/usr/lib/jvm/java-6-openjdk/jre/bin/java josm

(after installing openjdk-6-jre).

>> Which window manager are you using? 
> 
> I am using the awesome windowmanager

This is a quite common problem with non-reparenting window managers like
awesome (and many others). See, for example, [1], which is the same bug
for OpenJDK (that should be fixed by now). Probably it's still not fixed
in Sun's Java Runtime Environment.

 [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508650

If you confirm that you don't have problems with OpenJDK, I'll close the
bug, since the bug is not in Josm, but in the virtual machine you're using.

Thanks, Giovanni.
-- 
Giovanni Mascellani <mascellani at poisson.phc.unipi.it>
Pisa, Italy

Web: http://poisson.phc.unipi.it/~mascellani
Jabber: g.mascellani at jabber.org / giovanni at elabor.homelinux.org

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