OK - I can verify that - just tried it.
I get the terminal message ....
# Problematic frame:
# C [libgtkjni-2.8.so+0x8d72f]
#
# An error report file with more information is saved as:
# /root/hs_err_pid26370.log
#
# If you would like to submit a bug report, please visit:
#
http://java.sun.com/webapps/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
==
and
# An unexpected error has been detected by Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00002aaadf36172f, pid=26370, tid=1074792784
#
# Java VM: IcedTea 64-Bit Server VM (1.7.0-b21 mixed mode linux-amd64)
# Problematic frame:
# C [libgtkjni-2.8.so+0x8d72f]
#
# If you would like to submit a bug report, please visit:
#
http://java.sun.com/webapps/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
--------------- T H R E A D ---------------
Current thread (0x0000000000608c00): JavaThread "main" [_thread_in_native, id=26371, stack(0x0000000040000000,0x0000000040101000)]
siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x00000000000004a3
/root/hs_err_pid26370.log
==
So this deserves a bugzilla.redhat.com report.