NX12帮助文件打开错误

常乐LY*

Sorry, an unexpected error occurred!

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Message: Could not access HTTP invoker remote service at [http://127.0.0.1:8282/data_services/dataManagerService]; nested exception is java.io.IOException: Did not receive successful HTTP response: status code = 503, status message = [Service Unavailable]

Path: http://localhost:8282/tdoc/nx/12/nx_help/

我的UG 为12.0.2.9版本，一点击帮助，就显示如上。哪位高手知到原因。