jni jnienv ExceptionCheck example c c++ java

ExceptionCheck

We introduce a convenience function to check for pending exceptions without creating a local reference to the exception object.

jboolean ExceptionCheck(JNIEnv *env);

Returns JNI_TRUE when there is a pending exception; otherwise, returns JNI_FALSE.

LINKAGE:

Index 228 in the JNIEnv interface function table.

SINCE:

JDK/JRE 1.2

Example - ExceptionCheck

jclass c = env->FindClass("class/does/not/Exist");
if (env->ExceptionCheck()) {
  return;
}
// otherwise do something with 'c'...