How does one load a dll from JRuby? I have Java wrapper classes
(generated by SWIG) that wrap C++ code. Before referencing the Java
classes, I need to load the DLL. I tried the following:
irb(main):001:0> java.lang.System.load_library(‘mydll’)
NativeException: java.lang.UnsatisfiedLinkError: no mydll in
java.library.path
from java/lang/ClassLoader.java:1682:in loadLibrary' from java/lang/Runtime.java:822:inloadLibrary0’
from java/lang/System.java:992:in loadLibrary' from sun/reflect/NativeMethodAccessorImpl.java:-2:ininvoke0’
from sun/reflect/NativeMethodAccessorImpl.java:39:in invoke' from sun/reflect/DelegatingMethodAccessorImpl.java:25:ininvoke’
from java/lang/reflect/Method.java:585:in `invoke’
…
mydll.dll is in the PATH. The following java code executed in the same
directory, works without a problem:
public class Test {
public static void main(String[] args) {
System.out.println(“Before”);
System.loadLibrary(“mydll”);
System.out.println(“After”);
}
}
Is there something that I’m missing? Or a better way to do this?
Thanks,
Tim
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