jdk-1.4.2p6_3
XFree86-libraries-4.3.0_6

なんですが,

java -jar hoge.jar すると

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 10 occurred at PC=0x3493A7BD
Function=XtWidgetToApplicationContext+0x1D
Library=/usr/X11R6/lib/libXt.so.6

こんなエラーで落ちます。なぜでせうか?