src/share/vm/prims/jvmtiEnv.cpp

*** 3473,3482 ****
--- 3473,3485 ----
  jvmtiError
  JvmtiEnv::GetSystemProperty(const char* property, char** value_ptr) {
    jvmtiError err = JVMTI_ERROR_NONE;
    const char *value;
  
+   if (Arguments::is_internal_module_property(property)) {
+     return JVMTI_ERROR_NOT_AVAILABLE;
+   }
    value = Arguments::PropertyList_get_value(Arguments::system_properties(), property);
    if (value == NULL) {
      err =  JVMTI_ERROR_NOT_AVAILABLE;
    } else {
      err = allocate((strlen(value)+1) * sizeof(char), (unsigned char **)value_ptr);