Library does not function in Java 10

[null-dev]

Loading of native libraries fail in Java 10 as the format for the UnsatisfiedLinkError exception message has changed slightly.

Instead of:

no opencv_java320 in java.library.path

it is now:

no opencv_java320 in java.library.path: [/usr/java/packages/lib, /usr/lib64, /lib64, /lib, /usr/lib]

This will cause the check here to fail:

opencv/src/main/java/nu/pattern/OpenCV.java

Line 198 in a25eb08

if (!String.format("no %s in java.library.path", Core.NATIVE_LIBRARY_NAME).equals(ule.getMessage())) {

[vonnieda]

It appears there are other problems, too. The @CallerSensitive annotation has been removed. It may be time to rewrite the library loader - or at least borrow heavily from JNAaerator.

[vpetit35]

Yes I faced that same problem when migrating to java10.

I've tried to write my own OpenCV.class for a quick workaround but
final InputStream binary = nu.pattern.OpenCV.class.getResourceAsStream(location); resulted as a nullPointer when called from my custom OpenCV.class (I am still curious how to deal with that classloader problem to get it right btw).

So I've rebuild the jar, after fixing the UnsatisfiedLinkError message and compiled it in java8 (to avoid the @CallerSensitive problem) and it worked fine.

Another workaround I found is to use nu.pattern.OpenCV.loadLocally();
I don't think this could be a problem in my case.

[vonnieda]

This is fixed in 29f5eb0. I'm also working on fixing #38 and once that's fixed I will do a new release to take care of both issues.

[vonnieda]

This is now fixed in version 3.4.2-1.