I load the .so-library using System.load / System.loadLibrary, after milliseconds the application crashes, in LogCat this is:

JNI ERROR (app bug): try to use local reference 0x1

And nothing more.

What are the general causes of this error? How to debug if there are no source codes for the library, only .so and that's it? Can I get detailed information like detailMessage from Exception in Java?
Here in Java, even if the exception is processed and the whole infa does not go to LogCat, then I just took a debugger (the one in Eclipse) and looked in it. Is it possible for C ++?

Will CheckJNI help?

Liba, unfortunately, proprietary, there is no connection with the author ...

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