Ubuntu8.04Java application SwingGUI blank Problem Solving

After Upgrade of Ubuntu8.04 from 7.10, the interfaces of all javaGUI programs become blank, such as tools made by OracleSqlDeveloper and JavaGUI. The reason is caused by Beryl, the specific mechanism does not matter, the foreign original post is as follows: http://ubuntuforums.org/showthread.php? T = 362821 solution: Set the environment variable "AWT_TOOLKIT = MToolkit ~ /.

After Ubuntu 7.10 is upgraded from 8.04, the interfaces of all java GUI programs become blank, such as Oracle SQL Developer and other Java GUI tools.

The reason is caused by Beryl, the specific mechanism does not matter, the foreign original post is as follows: http://ubuntuforums.org/showthread.php? T = 362821

Solution: Set the environment variable AWT_TOOLKIT = MToolkit"

That is, in ~ /. Add the previous line to bashrc: export AWT_TOOLKIT = MToolkit

Save it.