我做了一个java应用程序。它使用 jnativehook 计算鼠标点击和按键。当我启动应用程序（jar 文件）并开始计算事件时，我在 IDE 中启动了第二个应用程序。当它开始计算事件时，我的第一个应用程序崩溃，并显示以下错误消息：
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x0000000000002196, pid=6756, tid=140255629047552
#
# JRE version: Java(TM) SE Runtime Environment (7.0_45-b18) (build 1.7.0_45-b18)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.45-b08 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# C 0x0000000000002196
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /home/beknazar/Documents/newjar/tracker-1.0-SNAPSHOT/hs_err_pid6756.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.sun.com/bugreport/crash.jsp
#
Aborted (core dumped)
请帮我找出这里有什么问题。