[apport] gij-4.1 crashed with SIGSEGV in _Jv_MonitorEnter()

Binary package hint: gcj-4.1

I don't know how to fix

ProblemType: Crash
Architecture: i386
Date: Wed Apr 4 09:29:53 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/gij-4.1
Package: gij-4.1 4.1.2-0ubuntu5
PackageArchitecture: i386
ProcCmdline: /usr/bin/java -Djdk.home=/usr -classpath /home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/boot.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/org-openide-modules.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/org-openide-util.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/boot_ja.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/boot_pt_BR.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/boot_zh_CN.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/org-openide-modules_ja.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/org-openide-modules_pt_BR.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/org-openide-modules_zh_CN.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/org-openide-util_ja.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/org-openide-util_pt_BR.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/org-openide-util_zh_CN.jar:/home/truong/_PROGRAM_FILES_/NetBeans/platform6/lib/locale/swing-l10n_pt_BR.jar -Dnetbeans.osenv=/tmp/nbenv.26524 -Dnetbeans.osenv.nullsep=true -Dnetbeans.system_http_proxy=DIRECT -Dnetbeans.system_http_non_proxy_hosts= -Dnetbeans.dirs=/home/truong/_PROGRAM_FILES_/NetBeans/bin/../nb5.5:/home/truong/_PROGRAM_FILES_/NetBeans/bin/../ide7:/home/truong/_PROGRAM_FILES_/NetBeans/bin/../enterprise3:/home/truong/_PROGRAM_FILES_/NetBeans/bin/../harness: -Dnetbeans.home=/home/truong/_PROGRAM_FILES_/NetBeans/platform6 -Dnetbeans.importclass=org.netbeans.upgrade.AutoUpgrade -Dnetbeans.accept_license_class=org.netbeans.license.AcceptLicense -Xms32m -Xmx128m -XX:PermSize=32m -XX:MaxPermSize=160m -Xverify:none -Dapple.laf.useScreenMenuBar=true org.netbeans.Main --userdir /home/truong/.netbeans/5.5 --branding nb
ProcCwd: /home/truong
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: gcj-4.1
StacktraceTop:
 _Jv_MonitorEnter () from /usr/lib/../lib/libgcj.so.70
 java::lang::ref::ReferenceQueue::poll ()
 java::util::WeakHashMap::cleanQueue ()
 java::util::WeakHashMap::get ()
 ffi_call_SYSV () from /usr/lib/../lib/libgcj.so.70
Uname: Linux Hyhabor 2.6.20-13-generic #2 SMP Sun Mar 25 00:21:25 UTC 2007 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev scanner video