java crashed with SIGSEGV

[manizheh]

#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f73cdff0dbb, pid=3980, tid=140135082071808
#
# JRE version: 6.0_27-b27
# Java VM: OpenJDK 64-Bit Server VM (20.0-b12 mixed mode linux-amd64 compressed oops)
# Derivative: IcedTea6 1.12.6
# Distribution: Ubuntu 12.04 LTS, package 6b27-1.12.6-1ubuntu0.12.04.2
# Problematic frame:
# V [libjvm.so+0x769dbb] UNICODE::utf8_length(unsigned short*, int)+0x1b
#
# An error report file with more information is saved as:
# /home/ghadirian/workspace/Suffix/hs_err_pid3980.log
#
# If you would like to submit a bug report, please include
# instructions how to reproduce the bug and visit:
# https://bugs.launchpad.net/ubuntu/+source/openjdk-6/