By the way, I've only seen this after the upgrade from Kubuntu 9.10 to Kubuntu 10.04 (which updated the OS and Eclipse). However, Zend Studio for Eclipse (a separate application) was also affected (and Zend Studio for Eclipse was the same version as before the upgrade).
In case this might be relevant, this is how I start Eclipse and Zend Studio:
By the way, I've only seen this after the upgrade from Kubuntu 9.10 to Kubuntu 10.04 (which updated the OS and Eclipse). However, Zend Studio for Eclipse (a separate application) was also affected (and Zend Studio for Eclipse was the same version as before the upgrade).
In case this might be relevant, this is how I start Eclipse and Zend Studio:
/usr/bin/eclipse WINDOWS= 1 /home/klee/ Zend/ZendStudio -7.1.1/ ZendStudio
env GDK_NATIVE_
Is there anything else which I'd need to check?