JNI-FindClassProblem

int main( void )
{
    JavaVM *jvm;
    JNIEnv *env;

    JavaVMInitArgs vm_args;
    JavaVMOption*  options = new JavaVMOption[1];

    options[0].optionString = const_cast<char *>("-Djava.class.path=.");

    vm_args.version            = JNI_VERSION_1_6;
    vm_args.nOptions           = 1;
    vm_args.ignoreUnrecognized = false;
    vm_args.options            = options;


    int retVal = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);

    if( retVal < 0 ) {
        printf("VM was not created successfully.  Return code is %d.\n", retVal);
        return -1;
    } else
        printf("VM was created successfully.\n");

    delete options;


    jclass clsMain = env->FindClass("option/MainClass");

    if( clsMain == NULL ) {
        printf("Can't find MainClass class.\n");
        jvm->DestroyJavaVM();
        return -1;
    } else
        printf("Found Main class.\n");
...
}