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POUnsatisfiedLinkError When Loading a Library from Java in MATLAB
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1772572
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2009-11-20T18:57:45.290
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2012-01-23T23:52:21.023
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2009-11-20T19:07:02.060
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text
Body
I've been integrating simple java modules into the MATLAB environment on Windows with some success. Recently I encountered a problem with a third-party library which attempts to load a dll. The java ClassLoader throws the UnsatisfiedLinkError when the load is attempted: <pre><code>java.lang.UnsatisfiedLinkError: no <libname> in java.library.path at java.lang.ClassLoader.loadLibrary(Unknown Source) at java.lang.Runtime.loadLibrary0(Unknown Source) at java.lang.System.loadLibrary(Unknown Source) </code></pre> The exception is reporting that my 'libname' is not in the java.library.path property. I have verified that the property does indeed have the correct path in it, and that the libname.dll file exists on that path. I verified java.library.path in two ways. First, I simply checked that value returned on the MATLAB command line: <pre><code>>> java.lang.System.getProperty('java.library.path') </code></pre> Then, I modified the java method in question to print that value just before the call into the failing third-party function: <pre><code>System.out.println(System.getProperty('java.library.path')); </code></pre> Both confirmed that my path value was set as expected. I've also tried manually loading the library from the command line, and it fails with the same results. Is this something that is not possible in MATLAB, or am I missing something here? Unfortunately I'm not administrator on this machine so I can't try the old trick of moving the dll into a directory with dlls that do work. I welcome any suggestions for things to try if there is no absolute answer. Platform: Windows XP MATLAB R2009a Java 1.6
Tags
<java><windows><dll><matlab><shared-libraries>
Title
UnsatisfiedLinkError When Loading a Library from Java in MATLAB
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1. USAdam Holmberg
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1. USAdam Holmberg
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