The Mongoose buffer timing out occurred when the model was being used in a linked project

The task:

I developed a ShoppingCard project to test TypeScript references.

The issue:

When models are directly included in the main project, the MongoDB connection works successfully.

https://github.com/pzoli/shoppingcard-api

Tested at http://localhost:8080/api-docs/

However, when I move models to a referenced project, I encounter the following error:

MongooseError: Operation amounttypes.find() buffering timed out after 10000ms

https://github.com/pzoli/shoppingcard-api/tree/ref-models

https://github.com/pzoli/shoppingcard-models

The configuration in tsconfig.json for shoppingcard-api is:

{
  "compilerOptions": {
    "target": "es6",
    "module": "commonjs",
    "outDir": "./build",
    "strict": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true
  },
  "references": [{ "path": "../shoppingcard-models" }],
}

The tsconfig.json setup for shoppingcard-models is as follows:

{
  "compilerOptions": {
    "sourceMap": true,
    "target": "esnext",
    "module": "CommonJS",
    "outDir": "./dist",
    "baseUrl": "./src",
    "alwaysStrict": true,
    "noImplicitAny": true,
    "importHelpers": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "esModuleInterop": true,
    "emitDecoratorMetadata": true,
    "strictPropertyInitialization": false,
    "skipLibCheck": true,
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "types": [
      "node"
   ],
   "rootDir": "./src",
   "typeRoots": [
      "node_modules/@types"
    ],
    "composite": true
  },
  "include": [
      "src/**/*.ts"
  ],
  "exclude": [
      "node_modules",
      "dist"
  ]
}

Here is the package.json file for shoppingcard-api:

{
  "name": "quizserver",
  "version": "1.0.0",
  "description": "",
  "main": "app.js",
  "scripts": {
    "start": "node build/app.js",
    "build": "tsc",
    "dev": "nodemon"
  },
  "nodemonConfig": {
    "watch": [
       "src"
    ],
    "ext": "ts",
    "exec": "ts-node src/app.ts"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
     "dotenv": "^16.0.3",
     "express": "^4.18.2",
     "joi": "^17.9.1",
     "mongoose": "^7.0.4",
     "swagger-ui-express": "^4.6.2",
     "typescript": "^5.0.4",
     "yaml": "^2.2.1"
  },
  "devDependencies": {
     "@types/express": "^4.17.17",
     "@types/joi": "^17.2.3",
     "@types/node": "^18.15.12",
     "@types/swagger-ui-express": "^4.1.3",
     "nodemon": "^2.0.22",
     "ts-node": "^10.9.1"
  }
}

And here is the package.json content for shoppingcard-models:

{
  "name": "backend-models",
  "version": "1.0.0",
  "description": "",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "build": "tsc"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
     "joi": "^17.9.2",
     "mongoose": "^7.2.2",
     "tslib": "^2.5.3"
  }
}

Your assistance in finding the reason why Mongoose is not working is greatly appreciated.

typescriptmongodbmongoose

Answer №1

I received this response on the Mongoose GitHub issue tracker:

It seems that your secondary project may have a separate version of the Mongoose module installed, causing the model() function to export a model connected to the incorrect version of Mongoose.

To resolve this, consider having shoppingcard-models export schemas rather than models, and then use the model() function in your primary project instead.

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