Compiled matlab executables not working correctly with java archives

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Sean 2012-1-30

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编辑： ES 2013-10-7

I have several programs that I wrote in matlab that use external custom java archives. The programs work fine on my computer (with the matlab license) (as .m files). They also work on the same computer as compiled executables with the main matlab install not running.

When I put them on another PC with the MCR installed (and the relevant libraries as checked/verified with non-matlab programs), the executables do not work. At best, they flash a quick empty figure window before terminating.

I have verified that the java archives appear to have the same paths on the new PC. I have also made a point of adding the directory containing the archives to the system OS path.

What could cause my compiled executables to fail to find and use my java archives? (Note: I have verified that executables not using the archives appear to work as expected, so the MCR is presumably installed correctly).

Thanks in advance, Sean

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Answer 1

Kaustubha Govind 2012-1-31

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In general, you are discouraged from using functions like ADDPATH with absolute paths from deployed applications. See Path Management in Deployed Applications. I think the solution for your case might be to add the required JAR-files to the CTF archive (using the mcc -a option) and then add them relative to ctfroot.

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Sean 2012-1-31

Perhaps I wasn't clear... I am not modifying paths in the actual code. My mention of adding a directory was to the OS environmental path variable (in the hopes that matlab was trying to find it there).

Right now my software works on the originating PC, but does not on a second PC with the MCR installed. I know the MCR works for entirely self-contained executables that don't use java archives.

I need to know how to find a way to either:

A)include the relevant code from the java archives and all relevant linkages into the compiled executable. (OR)

B)permit the compiled executable to successfully use the java archives installed on the PC.

Any help would be appreciated.

Thanks

BTW: I'm not clear on what the CTF archive is? I followed the link to 'ctfroot' in your post, but the contents of that link weren't entirely clear to me. If using this 'CTF archive' will let me carry the java archives in the executable without having to separately install them on the PC, that would be somewhere between acceptable and awesome.

Thanks again.

Sean 2012-2-8

Thanks for the clarification... Unfortunately, when I use the string "javaaddpath({[ctfroot 'DiagIF.jar'], [ctfroot 'AVIO.jar']});" at the beginning of the code and include the .jar files in the 'additional files' section, the results do not change.

Any further ideas?

Thanks in advance.

Kaustubha Govind 2012-2-9

Oops, sorry, you need "javaaddpath({[ctfroot '/DiagIF.jar'], [ctfroot '/AVIO.jar']});". You need the "/" to separate the ctfroot path from your filename.

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