Reproduce steps:
1. On QuickSilver10, jre1.4.2_04-b05, mozilla1.4.1, jDiskreport 1.1
2. Running jdiskreport on terminal.
3. Select "Analyse a File Tree", a java tree pops up. Still hit the previous frame. There is invalid sound could be heard.
4. Close java tree and open "Open Scan", repeat hit the previous frame.
5. Close "Open Scan", hit "Exit jDiskReport"
6. There is exception on terminal:

rania@linux:~> jdiskreport
 
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0x4D3846AB
Function=_XimProcSyncReply+0x2B
Library=/usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2
 
Current Java thread:
        at sun.awt.motif.MFileDialogPeer.pDispose(Native Method)
        at sun.awt.motif.MComponentPeer.disposeImpl(Unknown Source)
        at sun.awt.motif.MWindowPeer.disposeImpl(Unknown Source)
        at sun.awt.motif.MDialogPeer.disposeImpl(Unknown Source)
        at sun.awt.motif.MComponentPeer.dispose(Unknown Source)
        at java.awt.Component.removeNotify(Unknown Source)
        - locked <0x449daeb0> (a java.awt.Component$AWTTreeLock)
        at java.awt.Container.removeNotify(Unknown Source)
        - locked <0x449daeb0> (a java.awt.Component$AWTTreeLock)
        at java.awt.Window$1DisposeAction.run(Unknown Source)
        at java.awt.Window.dispose(Unknown Source)
        at java.awt.Dialog.disposeImpl(Unknown Source)
        at java.awt.Dialog.dispose(Unknown Source)
        at java.awt.Window$1DisposeAction.run(Unknown Source)
        - locked <0x44b5c478> (a java.util.Vector)
        at java.awt.Window.dispose(Unknown Source)
        at com.jgoodies.h.h.h.d(Unknown Source)
        at com.jgoodies.h.h.j.p(Unknown Source)
        at com.jgoodies.h.h.j.n(Unknown Source)
        at com.jgoodies.i.a.s.actionPerformed(Unknown Source)
        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
        at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
        at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
        at java.awt.Component.processMouseEvent(Unknown Source)
        at java.awt.Component.processEvent(Unknown Source)
        at java.awt.Container.processEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Window.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)
 
Dynamic libraries:
08048000-0804e000 r-xp 00000000 03:06 85063 /usr/java/j2re1.4.2_04/bin/java0804e000-0804f000 rw-p 00005000 03:06 85063 /usr/java/j2re1.4.2_04/bin/java40000000-40013000 r-xp 00000000 03:06 23972 /lib/ld-2.2.5.so
40013000-40014000 rw-p 00013000 03:06 23972 /lib/ld-2.2.5.so
40014000-4001c000 r-xp 00000000 03:06 85196 /usr/java/j2re1.4.2_04/lib/i386/native_threads/libhpi.so
4001c000-4001d000 rw-p 00007000 03:06 85196 /usr/java/j2re1.4.2_04/lib/i386/native_threads/libhpi.so
4001d000-4001f000 r--s 00000000 03:06 108341 /usr/java/j2re1.4.2_04/lib/ext/jmfmp3.jar
4001f000-4002c000 r-xp 00000000 03:06 23971 /lib/i686/libpthread.so.0
4002c000-40033000 rw-p 0000c000 03:06 23971 /lib/i686/libpthread.so.0
40033000-40035000 r-xp 00000000 03:06 23982 /lib/libdl.so.2
40035000-40036000 rw-p 00001000 03:06 23982 /lib/libdl.so.2
40037000-4014b000 r-xp 00000000 03:06 23969 /lib/i686/libc.so.6
4014b000-40151000 rw-p 00113000 03:06 23969 /lib/i686/libc.so.6
40155000-40550000 r-xp 00000000 03:06 85168 /usr/java/j2re1.4.2_04/lib/i386/client/libjvm.so
40550000-4056b000 rw-p 003fa000 03:06 85168 /usr/java/j2re1.4.2_04/lib/i386/client/libjvm.so
4057e000-40590000 r-xp 00000000 03:06 23985 /lib/libnsl.so.1
40590000-40591000 rw-p 00011000 03:06 23985 /lib/libnsl.so.1
40593000-405b5000 r-xp 00000000 03:06 23970 /lib/i686/libm.so.6
405b5000-405b6000 rw-p 00021000 03:06 23970 /lib/i686/libm.so.6
405b6000-405ba000 rw-s 00000000 03:06 143564 /tmp/hsperfdata_rania/11917
405ba000-405ca000 r-xp 00000000 03:06 85193 /usr/java/j2re1.4.2_04/lib/i386/libverify.so
405ca000-405cc000 rw-p 0000f000 03:06 85193 /usr/java/j2re1.4.2_04/lib/i386/libverify.so
405cc000-405ec000 r-xp 00000000 03:06 85179 /usr/java/j2re1.4.2_04/lib/i386/libjava.so
405ec000-405ee000 rw-p 0001f000 03:06 85179 /usr/java/j2re1.4.2_04/lib/i386/libjava.so
405ee000-40602000 r-xp 00000000 03:06 85194 /usr/java/j2re1.4.2_04/lib/i386/libzip.so
40602000-40605000 rw-p 00013000 03:06 85194 /usr/java/j2re1.4.2_04/lib/i386/libzip.so
40605000-41cea000 r--s 00000000 03:06 85726 /usr/java/j2re1.4.2_04/lib/rt.jar
41d34000-41d4a000 r--s 00000000 03:06 85266 /usr/java/j2re1.4.2_04/lib/sunrsasign.jar
41d4a000-41e22000 r--s 00000000 03:06 85259 /usr/java/j2re1.4.2_04/lib/jsse.jar
41e22000-41e33000 r--s 00000000 03:06 85214 /usr/java/j2re1.4.2_04/lib/jce.jar
41e33000-4237b000 r--s 00000000 03:06 85215 /usr/java/j2re1.4.2_04/lib/charsets.jar
44423000-44428000 r--s 00000000 03:06 24973 /usr/lib/gconv/gconv-modules.cache
44428000-4442b000 r--s 00000000 03:06 85121 /usr/java/j2re1.4.2_04/lib/ext/dnsns.jar
4442b000-4442f000 r-xp 00000000 03:06 44359 /usr/X11R6/lib/libXtst.so.6.1
4442f000-44430000 rw-p 00004000 03:06 44359 /usr/X11R6/lib/libXtst.so.6.1
4c633000-4c666000 r--p 00000000 03:06 26761 /usr/lib/locale/zh_CN.gb18030/LC_CTYPE
4c86a000-4c920000 rw-s 00000000 00:05 15990798 /SYSV00000000 (deleted)
4c926000-4cae4000 r--s 00000000 03:06 106600 /usr/java/j2re1.4.2_04/lib/ext/jmf.jar
4cae4000-4cb02000 r--s 00000000 03:06 106716 /usr/java/j2re1.4.2_04/lib/ext/jmplay.jar
4cb02000-4cb0b000 r--s 00000000 03:06 106738 /usr/java/j2re1.4.2_04/lib/ext/mediaplayer.jar
4cb0b000-4cb19000 r--s 00000000 03:06 106739 /usr/java/j2re1.4.2_04/lib/ext/multiplayer.jar
4cb19000-4cb35000 r--s 00000000 03:06 85124 /usr/java/j2re1.4.2_04/lib/ext/sunjce_provider.jar
4cb35000-4cb42000 r--s 00000000 03:06 85122 /usr/java/j2re1.4.2_04/lib/ext/ldapsec.jar
4cb42000-4cbfd000 r--s 00000000 03:06 85112 /usr/java/j2re1.4.2_04/lib/ext/localedata.jar
4cbfd000-4ccb9000 r--s 00000000 03:06 104436 /usr/share/jdiskreport-1.1/jdiskreport.jar
4ccb9000-4cf84000 r-xp 00000000 03:06 85171 /usr/java/j2re1.4.2_04/lib/i386/libawt.so
4cf84000-4cf9a000 rw-p 002ca000 03:06 85171 /usr/java/j2re1.4.2_04/lib/i386/libawt.so
4cfbf000-4d012000 r-xp 00000000 03:06 85188 /usr/java/j2re1.4.2_04/lib/i386/libmlib_image.so
4d012000-4d013000 rw-p 00052000 03:06 85188 /usr/java/j2re1.4.2_04/lib/i386/libmlib_image.so
4d013000-4d014000 r-xp 00000000 03:06 44316 /usr/X11R6/lib/X11/locale/lib/common/xlcUTF8Load.so.2
4d014000-4d015000 rw-p 00000000 03:06 44316 /usr/X11R6/lib/X11/locale/lib/common/xlcUTF8Load.so.2
4d015000-4d01d000 r-xp 00000000 03:06 44333 /usr/X11R6/lib/libXcursor.so.1.0
4d01d000-4d01e000 rw-p 00007000 03:06 44333 /usr/X11R6/lib/libXcursor.so.1.0
4d01e000-4d025000 r-xp 00000000 03:06 44349 /usr/X11R6/lib/libXp.so.6.2
4d025000-4d026000 rw-p 00006000 03:06 44349 /usr/X11R6/lib/libXp.so.6.2
4d026000-4d074000 r-xp 00000000 03:06 44357 /usr/X11R6/lib/libXt.so.6.0
4d074000-4d078000 rw-p 0004d000 03:06 44357 /usr/X11R6/lib/libXt.so.6.0
4d078000-4d085000 r-xp 00000000 03:06 44335 /usr/X11R6/lib/libXext.so.6.4
4d085000-4d086000 rw-p 0000c000 03:06 44335 /usr/X11R6/lib/libXext.so.6.4
4d086000-4d17b000 r-xp 00000000 03:06 44325 /usr/X11R6/lib/libX11.so.6.2
4d17b000-4d17f000 rw-p 000f5000 03:06 44325 /usr/X11R6/lib/libX11.so.6.2
4d17f000-4d187000 r-xp 00000000 03:06 44323 /usr/X11R6/lib/libSM.so.6.0
4d187000-4d188000 rw-p 00007000 03:06 44323 /usr/X11R6/lib/libSM.so.6.0
4d188000-4d19c000 r-xp 00000000 03:06 44321 /usr/X11R6/lib/libICE.so.6.3
4d19c000-4d19d000 rw-p 00013000 03:06 44321 /usr/X11R6/lib/libICE.so.6.3
4d19f000-4d259000 r-xp 00000000 03:06 85175 /usr/java/j2re1.4.2_04/lib/i386/libfontmanager.so
4d259000-4d273000 rw-p 000b9000 03:06 85175 /usr/java/j2re1.4.2_04/lib/i386/libfontmanager.so
4d274000-4d2a7000 r-xp 00000000 03:06 24841 /usr/lib/gconv/GB18030.so
4d2a7000-4d2a8000 rw-p 00032000 03:06 24841 /usr/lib/gconv/GB18030.so
4d2a8000-4d2b1000 r-xp 00000000 03:06 44319 /usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2
4d2b1000-4d2b2000 rw-p 00008000 03:06 44319 /usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2
4d2b3000-4d2ba000 r-xp 00000000 03:06 44355 /usr/X11R6/lib/libXrender.so.1.2
4d2ba000-4d2bb000 rw-p 00006000 03:06 44355 /usr/X11R6/lib/libXrender.so.1.2
4d2bb000-4d37a000 r--s 00000000 00:05 15859724 /SYSV00000000 (deleted)
4d37a000-4d396000 r-xp 00000000 03:06 44314 /usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2
4d396000-4d398000 rw-p 0001c000 03:06 44314 /usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2
4d51b000-4d552000 r-xp 00000000 03:06 85184 /usr/java/j2re1.4.2_04/lib/i386/libjpeg.so
4d552000-4d553000 rw-p 00036000 03:06 85184 /usr/java/j2re1.4.2_04/lib/i386/libjpeg.so
4d5d4000-4d693000 r--s 00000000 00:05 15892493 /SYSV00000000 (deleted)
4d7c2000-4d7dd000 r-xp 00000000 03:06 85173 /usr/java/j2re1.4.2_04/lib/i386/libdcpr.so
4d7dd000-4d7f0000 rw-p 0001a000 03:06 85173 /usr/java/j2re1.4.2_04/lib/i386/libdcpr.so
4d7f0000-4d7f5000 rw-s 00000000 00:05 15958035 /SYSV00000000 (deleted)
 
Heap at VM Abort:
Heap
 def new generation total 576K, used 91K [0x44430000, 0x444d0000, 0x44910000)
  eden space 512K, 15% used [0x44430000, 0x44443448, 0x444b0000)
  from space 64K, 21% used [0x444c0000, 0x444c37e0, 0x444d0000)
  to space 64K, 0% used [0x444b0000, 0x444b0000, 0x444c0000)
 tenured generation total 7172K, used 4350K [0x44910000, 0x45011000, 0x48430000)
   the space 7172K, 60% used [0x44910000, 0x44d4fad0, 0x44d4fc00, 0x45011000)
 compacting perm gen total 10496K, used 10483K [0x48430000, 0x48e70000, 0x4c430000)
   the space 10496K, 99% used [0x48430000, 0x48e6cc98, 0x48e6ce00, 0x48e70000)
 
Local Time = Fri Apr 9 10:23:46 2004
Elapsed Time = 51
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2_04-b05 mixed mode)
#
# An error report file has been saved as /tmp/hs_err_pid11917.log.
# Please refer to the file for further information.
#