Hi,
JNI_OnLoad has a companion JNI_OnUnload [1], which is the perfect place
to invoke an env->DeleteGlobalRef(MyWhateverClass), allowing the JVM
garbage collector to do a proper cleanup.
Kind regards,
Antonio
[1]
https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/invocation.html#JNI_OnUnload
El 8/4/21 a las 5:28, Jaroslav Tulach escribió:
JNI_OnLoad(...) {
// Find the class in OnLoad
jclass clazz = env->FindClass(...);
// And keep a NewGlobalRef for future use...
MyWhateverClass = env->NewGlobalRef(clazz);
...
That's the recommended approach. However it shall be stated that this is
creating a (class loading) memory leak - it is not going to be possible to
unload the JavaFX JAR file classes once this variable is initialized. Just FYI,
I think we can live with such behavior.
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