How to obtain a description of a Java exception in C++ when using JNI?

Question

I would like to determine what exception has been thrown by a Java function when calling that function from C++ code using JNI. I have the following code that catches the Java

Answer 1

The easy way out of this is to declare the JNI method to throw all possible exceptions, then:

jthrowable throwable = ExceptionOccurred(env);
if (throwable != NULL)
   Throw(env, throwable);

and let your Java code deal with it.