它不会创建Java VM（JNI） [英] It won't create a Java VM (JNI)

问题描述

我的简单命令行应用程序：

  int _tmain（int argc，_TCHAR * argv []）
 { 
 JavaVM * jvm; 
 JNIEnv * env; 
 JavaVMInitArgs vm_args; 
 JavaVMOption选项[1]; 
 options [0] .optionString =-Djava.class.path =。; // java源代码的路径
 vm_args.version = JNI_VERSION_1_6; // JDK版本。这表示版本1.6 
 vm_args.nOptions = 1; 
 vm_args.options = options; 
 vm_args.ignoreUnrecognized = 0; 
 
 jint ret = JNI_CreateJavaVM（& jvm，（void **）& env，& vm_args）; 
 return 0; 
} 
  

给我：

< block $>

  VM初始化期间发生错误
无法加载本机库：找不到依赖库
  

从未到达return 0的断点。 jvm.dll位于与我的命令行应用程序相同的目录。

我不知道是什么问题。有任何想法吗？ Thanx提前

解决方案

我认为您的问题由此问题在Sun JNI常见问题中。

TL; DR版本：不要移动JVM安装的DLL。

My simple command line app:

int _tmain(int argc, _TCHAR* argv[])
{
 JavaVM *jvm;
 JNIEnv *env;
 JavaVMInitArgs vm_args;
 JavaVMOption options[1];
 options[0].optionString = "-Djava.class.path=."; //Path to the java source code
 vm_args.version = JNI_VERSION_1_6; //JDK version. This indicates version 1.6
 vm_args.nOptions = 1;
 vm_args.options = options;
 vm_args.ignoreUnrecognized = 0;

 jint ret = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
 return 0;
}

gives me:

Error occurred during initialization of VM
Unable to load native library: Can't find dependent libraries

The breakpoint at "return 0" is never reached. jvm.dll resides in same directory as my command line app.

I don't get it what's wrong. Any Ideas? Thanx in advance

解决方案

I think that your problem is answered by this question in the Sun JNI FAQ.

TL;DR version: Don't move the JVM installation's DLLs.

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