Azure Devops - Build definition ng build error Cannot read property '_statSync' of undefined

Question

I am using Angular 5.2 and building the project in the Azure DevOps with Builds.

Today, suddenly the DevOps build definition has started throwing error in the command ng build.

Here is the snapshot of the error :-

**

2018-10-31T09:39:04.6711840Z ##[section]Starting: Step-3.B :: Build PDL Angular Project 
2018-10-31T09:39:04.6719705Z ==============================================================================
2018-10-31T09:39:04.6719786Z Task         : Command Line
2018-10-31T09:39:04.6719821Z Description  : Run a command line with arguments
2018-10-31T09:39:04.6719855Z Version      : 1.1.3
2018-10-31T09:39:04.6719889Z Author       : Microsoft Corporation
2018-10-31T09:39:04.6719946Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkID=613735)
2018-10-31T09:39:04.6719980Z ==============================================================================
2018-10-31T09:39:04.6819517Z ##[command]ng build --prod -e=dev --base-href=/
2018-10-31T09:40:11.5955017Z [0mDate: [1m[37m2018-10-31T09:40:11.592Z[39m[22m[0m
2018-10-31T09:40:11.5955351Z [0m[0m
2018-10-31T09:40:11.5955401Z [0m[1m[31mERROR in ./node_modules/core-js/es6/date.js[39m[22m[0m
2018-10-31T09:40:11.5955469Z [0m[1m[31mModule build failed: TypeError: Cannot read property '_statSync' of undefined[39m[22m[0m
2018-10-31T09:40:11.5955575Z [0m[1m[31m    at stat (D:\a\1\s\node_modules\@ngtools\webpack\src\virtual_file_system_decorator.js:26:29)[39m[22m[0m
2018-10-31T09:40:11.5955620Z [0m[1m[31m    at toDepDetails (D:\a\1\s\node_modules\cache-loader\dist\index.js:66:5)[39m[22m[0m
2018-10-31T09:40:11.5955663Z [0m[1m[31m    at arrayIterator (D:\a\1\s\node_modules\neo-async\async.js:3780:9)[39m[22m[0m
2018-10-31T09:40:11.5955726Z [0m[1m[31m    at timesSync (D:\a\1\s\node_modules\neo-async\async.js:2292:7)[39m[22m[0m
2018-10-31T09:40:11.5955768Z [0m[1m[31m    at Object.mapLimit (D:\a\1\s\node_modules\neo-async\async.js:3775:5)[39m[22m[0m
2018-10-31T09:40:11.5955822Z [0m[1m[31m    at Array.<anonymous> (D:\a\1\s\node_modules\cache-loader\dist\index.js:89:18)[39m[22m[0m
2018-10-31T09:40:11.5955885Z [0m[1m[31m    at arrayEachFunc (D:\a\1\s\node_modules\neo-async\async.js:2512:19)[39m[22m[0m
2018-10-31T09:40:11.5955933Z [0m[1m[31m    at Object.parallel (D:\a\1\s\node_modules\neo-async\async.js:6867:9)[39m[22m[0m
2018-10-31T09:40:11.5955974Z [0m[1m[31m    at Object.loader (D:\a\1\s\node_modules\cache-loader\dist\index.js:88:9)[39m[22m[0m
2018-10-31T09:40:11.5956034Z [0m[1m[31mERROR in ./src/app/app.module.ngfactory.js[39m[22m[0m

**

We did not made any changes in the DevOps in the Build definition.

Please advise, where could be the issue.

Today some other developers also came across this bug. https://github.com/angular/angular-cli/issues/12821 — Karan, Oct 31 '18 at 11:15
Try to remove locally the node-modules folder, run `npm install` and `ng build --prod -e=dev --base-href=/`, I assume is not Azure DevOps issue, it's angular issue. — Shayki Abramczyk, Oct 31 '18 at 11:15
There is no problem in localhost. The exception is appearing in the Azure DevOps Build definition only. — Karan, Oct 31 '18 at 11:16

score 0 · Answer 1 · answered Oct 31 '18 at 11:34

0

Adding "cache-loader":"1.2.2" to the package.json file rectified the issue.

answered Oct 31 '18 at 11:34

Karan

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Azure Devops - Build definition ng build error Cannot read property '_statSync' of undefined

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