What is a JNI exception?
The JNI does not know how, or even if, the native code of an application can handle it. The JNI specification requires exceptions to be deferred; it is the responsibility of the native code to check whether an exception has occurred. A set of JNI APIs are provided for this purpose.
Why am I getting a JNI error?
“Error: A JNI error has occurred, please check your installation …” – How to fix it! Have you encountered this error message or popup? The problem comes from the fact that your JRE (Java Runtime Enviroment), that is your installed Java version and your JDK (Java Development Kit) do not work together correctly.
What is a Java exception?
Definition: An exception is an event, which occurs during the execution of a program, that disrupts the normal flow of the program’s instructions. When an error occurs within a method, the method creates an object and hands it off to the runtime system.
What happens when an exception is thrown in C++?
When an exception is thrown, that call stack is checked in order for an exception handler to catch it. Terminating and non-terminating errors An exception is generally a terminating error. A thrown exception is either be caught or it terminates the current execution.
How do I check if an exception has occurred in JNI?
In the native code, what we can do is call either the ExceptionOccurred () or ExceptionCheck () JNI function just after the native function call. ExceptionOccurred () returns a reference of the exception object and ExceptionCheck () returns JNI_TRUE or JNI_FALSE on whether the exception occurs or does not occur, respectively.
How do you handle an exception in a script?
To handle a thrown exception, you need to catch it. If an exception is thrown and it isn’t caught by something, the script stops executing. The call stack is the list of functions that have called each other. When a function is called, it gets added to the stack or the top of the list.
How do I throw an exception in Java?
The following code is very similar to the code snippet given above, except for the ThrowNew () method that is used to throw a new exception to the Java code. There is another function, called Throw (), serving the same purpose although there is a significant difference in the function parameter.
