Angular - cannot find error source because stack trace is obfuscated in production mode

Question

I tried to run angular app in production mode ng serve --aot --prod. When the app is launched, I see an error in console, but the error stack trace is obfuscated and I cannot find the source code which causes the error. Without --prod option, there are no errors. How I can find the error source?

main.026c3ce7721e9ba03a1e.js:1 ERROR TypeError: f.ngOnInit is not a function
    at main.026c3ce7721e9ba03a1e.js:1
    at main.026c3ce7721e9ba03a1e.js:1
    at Ji (main.026c3ce7721e9ba03a1e.js:1)
    at Eo (main.026c3ce7721e9ba03a1e.js:1)
    at Object.updateDirectives (main.026c3ce7721e9ba03a1e.js:1)
    at Object.updateDirectives (main.026c3ce7721e9ba03a1e.js:1)
    at $i (main.026c3ce7721e9ba03a1e.js:1)
    at so (main.026c3ce7721e9ba03a1e.js:1)
    at oo (main.026c3ce7721e9ba03a1e.js:1)
    at $i (main.026c3ce7721e9ba03a1e.js:1)

use the --source-maps true option when compiling

maxime1992
– maxime1992

2018-07-19 11:30:38 +00:00
Commented Jul 19, 2018 at 11:30 — maxime1992
– maxime1992, Commented Jul 19, 2018 at 11:30

Valeriy Katkov · Accepted Answer · 2018-07-27 17:09:32Z

2

Enable sourceMap in anuglar.json config file to see original code stack trace.

{
  "projects": {
    "myProject": {
      "architect": {
        "build": {
          "configurations": {
            "production": {
              "sourceMap": true
            }
          }
        }
      }
    }
  }
}

I also tried to add --source-map option to serve command, but the option didn't solve my problem for some reason.

answered Jul 27, 2018 at 17:09

Valeriy Katkov

41.8k27 gold badges110 silver badges135 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Angular - cannot find error source because stack trace is obfuscated in production mode

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related