Compile the plotdemo example

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Jamee Lin 2017-4-12

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https://ww2.mathworks.cn/matlabcentral/answers/335076-compile-the-plotdemo-example

回答： Jordan Vincent 2017-6-21

Hi all,

I am recently working on compiler SDK for JAVA application. There is one example in the manual showing how to display a MATLAB plot in JAVA application with the following steps:

Create the JAVA package to build a JAVA class wrapping around the MATLAB code, which is plot(x,y) in this case
Compile createplot.java
Run the createplot.class

I am fine with the first two steps. In step 3, when I typed:

java -classpath .:/Applications/MATLAB_R2016b.app/toolbox/javabuilder/jar/javabuilder.jar:./plotdemo/distrib/plotdemo.jar createplot

in terminal, it popped out a warning and an error messages:

objc[37033]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home/bin/java and /Applications/MATLAB_R2016b.app/sys/java/jre/maci64/jre/lib/jli/libjli.dylib. One of the two will be used. Which one is undefined.

Exception in thread "AWT-EventQueue-0" java.lang.UnsatisfiedLinkError: Can't load library: /System/Library/Frameworks/gluegen-rt.Framework/gluegen-rt

System: Mac OS X 10.11.6 El Capitan & JAVA 1.7.0.79

Any possible solutions? Thank you.

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Answer 1

Swathik Kurella Janardhan 2017-4-19

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https://ww2.mathworks.cn/matlabcentral/answers/335076-compile-the-plotdemo-example#answer_263672

This issue is related to JDK. According to the link below, installing different JDK can resolve this issue: http://stackoverflow.com/questions/18794573/objc10012-class-javalaunchhelper-is-implemented-in-both-libinstrument-dyl

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Jamee Lin 2017-4-20

Hi,

Thank you for the answer. Looks like the warning message is benign but what really bugged me is the error message. Not sure if these two are related though.

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