Java 代码:
package Package;
public class MyExceptionTester {
private native void compute() throws Exception;
public static void main(String... args) {
try {
MyExceptionTester met = new MyExceptionTester();
met.compute(); // This method will throw an exception which gets printed from the catch block
} catch(Exception exc) {
System.out.println("From Java :" + exc);
}
}
static {
System.loadLibrary("MyExceptionTester");
}
}
C++ 代码:
#include "iostream"
#include "Package_MyExceptionTester.h"
void Java_Package_MyExceptionTester_compute
(JNIEnv *env, jobject obj) {
jthrowable exc;
try {
jint i = 1/0;
throw "C++ Message : Hey ! Can't Divide By Zero";
} catch(char *str) {
jclass excClass = env->FindClass("java/lang/Exception");
if(excClass == NULL) {
return;
}
env->ThrowNew(excClass,str);
}
}
当我在包含 dll 后运行 java 程序时,我收到以下消息:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_INT_DIVIDE_BY_ZERO (0xc0000094) at pc=0x65c4121a, pid=5292, tid=6000
#
# JRE version: 7.0
# Java VM: Java HotSpot(TM) Client VM (20.0-b01 mixed mode, sharing windows-x86 )
# Problematic frame:
# C [MyExceptionTester.dll+0x121a]
#
# An error report file with more information is saved as:
# W:\elita\jnitesters\workspace\java\JNI\build\classes\hs_err_pid5292.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
为什么我会收到此消息?为什么我看不到应该是从 java catch块打印的消息的输出。