如何以及在哪里处理此错误并阻止我的应用程序崩溃?
$ node app.js
Server Started at port 3000
events.js:200
throw er; // Unhandled 'error' event
^
Error: 14 UNAVAILABLE: Name resolution failed for target firestore.googleapis.com:443
at Object.callErrorFromStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\call.js:30:26)
at Object.onReceiveStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\client.js:327:49)
at Object.onReceiveStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\client-interceptors.js:303:181)
at Http2CallStream.outputStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\call-stream.js:114:27)
at Http2CallStream.maybeOutputStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\call-stream.js:153:22)
at Http2CallStream.endCall (D:\food_list\node_modules\@grpc\grpc-js\build\src\call-stream.js:140:18)
at Http2CallStream.cancelWithStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\call-stream.js:441:14)
at ChannelImplementation.tryPick (D:\food_list\node_modules\@grpc\grpc-js\build\src\channel.js:214:32)
at ChannelImplementation._startCallStream (D:\food_list\node_modules\@grpc\grpc-js\build\src\channel.js:244:14)
at Http2CallStream.start (D:\food_list\node_modules\@grpc\grpc-js\build\src\call-stream.js:418:22)
Emitted 'error' event on ClientReadableStreamImpl instance at:
at Object.onReceiveStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\client.js:327:28)
at Object.onReceiveStatus (D:\food_list\node_modules\@grpc\grpc-js\build\src\client-interceptors.js:303:181)
[... lines matching original stack trace ...]
at Http2CallStream.start (D:\food_list\node_modules\@grpc\grpc-js\build\src\call-stream.js:418:22)
at BaseStreamingInterceptingCall.start (D:\food_list\node_modules\@grpc\grpc-js\build\src\client-interceptors.js:275:19) { code: 14,
details: 'Name resolution failed for target firestore.googleapis.com:443',
metadata: Metadata { internalRepr: Map {}, options: {} }
}
ps:当我在没有互联网的情况下运行应用程序时应用程序崩溃。