WebpackOptionsValidationError: Invalid configuration object. configuration.entry should be an non-empty object

[ggmartins]

For bug reports:

• What went wrong?

webpack throwing an error running sls deploy or sls offline

  Webpack Options Validation Error -----------------------

  WebpackOptionsValidationError: Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema.
   - configuration.entry should be an non-empty object.

(full stack trace below)

• What did you expect should have happened?

no errors

• What was the config you used? serverless.yml

  
  service:
  name: serverless-iotlab

plugins:

• serverless-webpack
• serverless-iam-roles-per-function
• serverless-reqvalidator-plugin
• serverless-aws-documentation
• serverless-offline
• serverless-dynamodb-local
• serverless-s3-local

...

package.json

{ "name": "iotpro", "version": "0.0.1", "description": "IoT Device Managing and Profiling", "main": "handler.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "author": "Guilherme Martins", "license": "ISC", "dependencies": { "axios": "^0.19.2", "http-aws-es": "^6.0.0", "jsonwebtoken": "^8.5.1", "middy": "^0.36.0", "source-map-support": "^0.5.19", "uuid": "^8.1.0" }, "devDependencies": { "@types/jest": "^26.0.0", "@types/node": "^14.0.13", "aws-sdk": "^2.696.0", "aws-xray-sdk": "^3.1.0", "bcryptjs": "^2.4.3", "elasticsearch": "^16.7.1", "serverless": "^1.72.0", "serverless-aws-documentation": "^1.1.0", "serverless-dynamodb-local": "^0.2.39", "serverless-iam-roles-per-function": "^2.0.2", "serverless-offline": "^6.4.0", "serverless-reqvalidator-plugin": "^1.0.3", "serverless-s3-local": "^0.6.2", "serverless-webpack": "^5.3.2", "ts-loader": "^7.0.5", "typescript": "^3.9.5", "webpack": "^4.43.0" } }

webpack.config.js (auto-generated)

const path = require('path'); const slsw = require('serverless-webpack');

module.exports = { mode: slsw.lib.webpack.isLocal ? 'development' : 'production', entry: slsw.lib.entries, devtool: 'source-map', resolve: { extensions: ['.js', '.jsx', '.json', '.ts', '.tsx'], }, output: { libraryTarget: 'commonjs', path: path.join(__dirname, '.webpack'), filename: '[name].js', }, target: 'node', module: { rules: [ // all files with a .ts or .tsx extension will be handled by ts-loader { test: /.tsx?$/, loader: 'ts-loader' }, ], }, };

* What stacktrace or error message from your provider did you see?

sls deploy Serverless: Bundling with Webpack...

Webpack Options Validation Error -----------------------

WebpackOptionsValidationError: Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema.

• configuration.entry should be an non-empty object. -> Multiple entry bundles are created. The key is the chunk name. The value can be a string or an array. at webpack (/Users/gmartins/course/clouddev/iotpro/node_modules/webpack/lib/webpack.js:31:9) at ServerlessWebpack.compile (/Users/gmartins/course/clouddev/iotpro/node_modules/serverless-webpack/lib/compile.js:12:22) at ServerlessWebpack.tryCatcher (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/util.js:16:23) at Promise._settlePromiseFromHandler (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/promise.js:547:31) at Promise._settlePromise (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/promise.js:604:18) at Promise._settlePromiseCtx (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/promise.js:641:10) at _drainQueueStep (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/async.js:97:12) at _drainQueue (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/async.js:86:9) at Async._drainQueues (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/async.js:102:5) at Immediate.Async.drainQueues [as _onImmediate] (/Users/gmartins/course/clouddev/iotpro/node_modules/bluebird/js/release/async.js:15:14) at processImmediate (internal/timers.js:456:21) at process.topLevelDomainCallback (domain.js:137:15)

For feature proposals:

• What is the use case that should be solved. The more detail you describe this in the easier it is to understand for us.
• If there is additional config how would it look

Similar or dependent issue(s):

• 12345

Additional Data

• Serverless-Webpack Version you're using: "serverless-webpack": "^5.3.2",
• Webpack version you're using: "webpack": "^4.43.0"
• Serverless Framework Version you're using: Framework Core: 1.72.0 Plugin: 3.6.13 SDK: 2.3.1 Components: 2.30.14
• Operating System: Your Environment Information --------------------------- Operating System: darwin Node Version: 14.1.0 Framework Version: 1.72.0 Plugin Version: 3.6.13 SDK Version: 2.3.1 Components Version: 2.30.14
• Stack Trace (if available): (see above)

[xuanswe]

To find the actual problem, I think you should post your full serverless.yml.

[ggmartins]

thanks, that's ok, I fixed this by generating a new configuration from template:

sls create --template aws-nodejs-typescript --path iotpro