matlab和jav​a混合编程，linu​x上MCR运行jar​包报错

在linux服务器上安装了一个MCR环境，版本是MCR_R2014a_glnxa64，linux版本是64位的ubuntu14.05，服务器安装的java版本是1.7.在linux版本的matlab R2014a上打出jar包，jar包调用audioread方法去处理wav音频文件，结果就在audioread读取wav文件的时候报错，贴出报错信息：

    ... Matlab M-code Stack Trace ...
file /usr/local/MATLAB/MATLAB_Compiler_Runtime/v83/mcr/toolbox/matlab/audiovideo/audioread.m, name audioread, line 127.
file /root/.mcrCache8.3/Respir0/RespiratoryP/respiratoryProcess3.m, name respiratoryProcess3, line 11.
com.mathworks.toolbox.javabuilder.MWException: Unexpected Standard exception from MEX file.
What() is:
..
        at com.mathworks.toolbox.javabuilder.internal.MWMCR.mclFeval(Native Method)
        at com.mathworks.toolbox.javabuilder.internal.MWMCR.access$600(MWMCR.java:23)
        at com.mathworks.toolbox.javabuilder.internal.MWMCR$6.mclFeval(MWMCR.java:833)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at com.mathworks.toolbox.javabuilder.internal.MWMCR$5.invoke(MWMCR.java:731)
        at $Proxy80.mclFeval(Unknown Source)
        at com.mathworks.toolbox.javabuilder.internal.MWMCR.invoke(MWMCR.java:406)
        at RespiratoryProcess3.RespiratoryProcess3.respiratoryProcess3(RespiratoryProcess3.java:212)
        at com.iflyzunhong.im.service.FileAnalysisService.analysisFile(FileAnalysisService.java:193)
        at com.iflyzunhong.im.controller.DoctorController$1.run(DoctorController.java:102)
        at java.lang.Thread.run(Thread.java:722)
19:03:42[INFO ]d-11 c.i.i.s.FileAnalysisService    MWException!!!!!
19:03:42[INFO ]d-11 c.i.i.s.FileAnalysisService    /root/IntelligentMedical/Audio/1585255_1493982215613/R_LUNG4.WAV

这是什么报错？看日志是mex文件的错误，这是c++的东西呀？有知道的解答一下吗？