npm run dev 동작에러납니다...

Question

PS C:\Users\Desktop\boilerplate-mern-stack> yarn dev yarn run v1.22.19 $ concurrently "npm run backend" "npm run start --prefix client" [1] [1] > client@0.1.0 start [1] > react-scripts start [1] [0] [0] > react-boiler-plate@1.0.0 backend [0] > nodemon server/index.js [0] [0] [nodemon] 1.19.4 [0] [nodemon] to restart at any time, enter `rs` [0] [nodemon] watching dir(s): *.* [0] [nodemon] watching extensions: js,mjs,json [0] [nodemon] starting `node server/index.js` [0] Server Listening on 5000 [0] MongooseError: The `uri` parameter to `openUri()` must be a string, got "undefined". Make sure the first parameter to `mongoose.connect()` or `mongoose.createConnection()` is a string. [0] at Connection.openUri (C:\Users\Desktop\boilerplate-mern-stack ode_modules\mongoose\lib\connection.js:694:11) [0] at C:\Users\Desktop\boilerplate-mern-stack ode_modules\mongoose\lib\index.js:351:10 [0] at C:\Users\Desktop\boilerplate-mern-stack ode_modules\mongoose\lib\helpers\promiseOrCallback.js:32:5 [0] at new Promise () [0] at promiseOrCallback (C:\Users\Desktop\boilerplate-mern-stack ode_modules\mongoose\lib\helpers\promiseOrCallback.js:31:10) [0] at Mongoose._promiseOrCallback (C:\Users\Desktop\boilerplate-mern-stack ode_modules\mongoose\lib\index.js:1149:10) [0] at Mongoose.connect (C:\Users\Desktop\boilerplate-mern-stack ode_modules\mongoose\lib\index.js:350:20) [0] at Object. (C:\Users\Desktop\boilerplate-mern-stack\server\index.js:19:4) [0] at Module._compile (node:internal/modules/cjs/loader:1233:14) [0] at Module._extensions..js (node:internal/modules/cjs/loader:1287:10) [0] at Module.load (node:internal/modules/cjs/loader:1091:32) [0] at Module._load (node:internal/modules/cjs/loader:938:12) [0] at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:83:12) [0] at node:internal/main/run_main_module:23:47 [1] [HPM] Proxy created: / -> http://localhost:5000 [1] i ｢wds｣: Project is running at http://192.999.111.116/ [1] i ｢wds｣: webpack output is served from [1] i ｢wds｣: Content not from webpack is served from C:\Users\Desktop\boilerplate-mern-stack\client\public [1] i ｢wds｣: 404s will fallback to / [1] Starting the development server... [1] [1] Error: error:0308010C:digital envelope routines::unsupported [1] at new Hash (node:internal/crypto/hash:69:19) [1] at Object.createHash (node:crypto:138:10) [1] at module.exports (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\util\createHash.js:135:53) [1] at NormalModule._initBuildHash (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\NormalModule.js:417:16) [1] at handleParseError (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\NormalModule.js:471:10) [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\NormalModule.js:503:5 [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\NormalModule.js:358:12 [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\loader-runner\lib\LoaderRunner.js:373:3 [1] at iterateNormalLoaders (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\loader-runner\lib\LoaderRunner.js:214:10) [1] at iterateNormalLoaders (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\loader-runner\lib\LoaderRunner.js:221:10) [1] C:\Users\Desktop\boilerplate-mern-stack\client ode_modules eact-scripts\scripts\start.js:19 [1] throw err; [1] ^ [1] [1] Error: error:0308010C:digital envelope routines::unsupported [1] at new Hash (node:internal/crypto/hash:69:19) [1] at Object.createHash (node:crypto:138:10) [1] at module.exports (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\util\createHash.js:135:53) [1] at NormalModule._initBuildHash (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\NormalModule.js:417:16) [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\NormalModule.js:452:10 [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\webpack\lib\NormalModule.js:323:13 [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\loader-runner\lib\LoaderRunner.js:367:11 [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\loader-runner\lib\LoaderRunner.js:233:18 [1] at context.callback (C:\Users\Desktop\boilerplate-mern-stack\client ode_modules\loader-runner\lib\LoaderRunner.js:111:13) [1] at C:\Users\Desktop\boilerplate-mern-stack\client ode_modules eact-scripts ode_modules\babel-loader\lib\index.js:59:103 { [1] opensslErrorStack: [ 'error:03000086:digital envelope routines::initialization error' ], [1] library: 'digital envelope routines', [1] reason: 'unsupported', [1] code: 'ERR_OSSL_EVP_UNSUPPORTED' [1] } [1] [1] Node.js v20.5.1 [1] npm run start --prefix client exited with code 1 반나절 넘게 이 오류만 붙잡고 있었는데 해결이 안되네요... 사이트에 연결할 수 없음 연결이 재설정되었습니다. 다음 방법을 시도해 보세요. 연결 확인 프록시 및 방화벽 확인 Windows 네트워크 진단 프로그램 실행 브라우저에서 위와 같이 뜨는데 이유가 뭘까요....

communityai8509 · Answer

안녕하세요 hannah 님, 인프런 AI 인턴이에요. 오류가 발생하고 있는 상황 같아서 정말 죄송합니다. 제공해주신 오류 메시지를 보면 MongooseError와 webpack 에러가 포함되어 있습니다. 가장 먼저 확인해야 할 부분은 MongooseError인데, 해당 오류는 uri 매개변수가 문자열이 아닌 &ldquo;undefined&rdquo;라는 값으로 전달되었기 때문에 발생한 것 같습니다. mongoose.connect() 또는 mongoose.createConnection() 의 첫 번째 매개변수가 문자열인지 확인해보세요. 또한, webpack 에러 역시 프로젝트의 구성 및 의존성에 관련된 오류로 보입니다. ESLint, Babel 또는 webpack 설정 등이 올바르게 구성되어 있는지 확인해보세요. 만약 이 여러 가지 방법을 시도했음에도 문제가 해결되지 않는다면, 추가적인 정보를 제공해주시면 더 정확한 도움을 드릴 수 있을 것입니다. 감사합니다!