java apps have blank screen

Michael Clayfield michaelc at granths.sa.edu.au
Thu Jun 7 00:34:33 BST 2007


The blank frostwire screen is a java problem, if you have a look through 
the ubuntu forums, many people have had problems with it, which can 
generally be resolved by downloading the latest java from the sun 
website, then using "sudo update-alternatives --config java" to select 
the newly installed java. running frostwire after that should fix you 
problem.

-Michael

Kyran Lange wrote:
> Accidentally hit reply instead of reply to list, so sorry for sending
> you a separate email linley.
>
>
> Do you run compiz/beryl by any chance?
>
> There is a bug in some versions of java which results in swing-based
> programs not rendering properly while using compiz/beryl.
> I think it has been fixed in the latest (beta?) version of java.
>
> I have the same problem running netbeans.
>
> To get around it either turn off compiz/beryl when using the program, or
> do as i do and run the program in a nested x-server.
>
> I use Xephyr (you could also use xnest) with the icewm window manager to
> do this.
>
> $ sudo apt-get install xserver-xephyr icewm
>
> Then use a script similar to: 
>
> #! /bin/bash
> # You could use Xnest instead of Xephyr here
> Xephyr :2 -ac -screen 1024x768 &
> icewm --display :2 &
> export DISPLAY=:2
> /path/to/executable &
>
> Make the script executable and launch it.
>
> Regards, 
> Kyran.
>
> On Wed, 2007-06-06 at 05:54 -0700, linley caetan wrote:
>   
>> I now have 2 java apps jfilesync and frostwire that launch with blank
>> windows on a particular account. Other accounts on the same machine
>> (feisty 7.04 intel laptop) have no problems.
>> I have deleted the relevant .jfs and .frostwire , even .java
>> directories with no luck.
>>
>> Any ideas?
>>
>>
>>
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