libgdx 程序运行时报：AL lib: (EE) alc_cleanup: 1 device not closed 错误，是何原因，求教

[qq_35632754]

学习LIBGDX编写的示例程序，出现如下报错：请教是什么原因？
A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x6e64d970, pid=12420, tid=0x00003ef4
#
# JRE version: Java(TM) SE Runtime Environment (8.0_101-b13) (build 1.8.0_101-b13)
# Java VM: Java HotSpot(TM) Client VM (25.101-b13 mixed mode windows-x86 )
# Problematic frame:
# C [gdx-box2d.dll+0xd970]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# H:\Java学习资料\libgdx-1.6.1\potatoGame\desktop\hs_err_pid12420.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
AL lib: (EE) alc_cleanup: 1 device not closed