Move Folder -> Missing Error Handler on Socket?

[oliverspryn]

I have a set of working, valid unit tests for an Angular 2.0 project run by Karma 0.13.22, connecting to a Chrome 48 browser with Socket.io 1.4.5. I was testing under this configuration, which worked:

app/
tests/app
karma-test-shim.js
karma.conf.js

Then, without changing any code, I moved one folder:

source/app/
tests/app
karma-test-shim.js
karma.conf.js

... then I updated karma-test-shim.js and karma.conf.js with the new paths.

Now the tests don't even run, and I get this error:

Missing error handler on `socket`.
TypeError: (msg || "").replace is not a function
  at /home/spryno724/projects/portfolio/node_modules/karma/lib/reporter.js:45:23
  at onBrowserError (/home/spryno724/projects/portfolio/node_modules/karma/lib/reporters/base.js:58:60)
  ... more stack trace ...

11 03 2016 20:24:11.038:WARN [Chrome 48.0.2564 (Windows 10 0.0.0)]: Disconnected (1 times)

Any idea what is causing this? The only thing that changed is the folder path.

---

A sample from karma.conf.js:

files: [
  // Load Angular 2 dependencies and the SystemJS shim
  { pattern: 'node_modules/angular2/bundles/angular2-polyfills.js', included: true, watched: true },
  { pattern: 'node_modules/systemjs/dist/system.src.js', included: true, watched: true },
  { pattern: 'node_modules/rxjs/bundles/Rx.js', included: true, watched: true },
  { pattern: 'node_modules/angular2/bundles/angular2.dev.js', included: true, watched: true },
  { pattern: 'node_modules/angular2/bundles/testing.dev.js', included: true, watched: true },
  { pattern: 'karma-test-shim.js', included: true, watched: true },

  // The application and test files
  { pattern: 'source/app/**/*.js', included: false, watched: false },
  { pattern: 'test/unit/app/**/*.js', included: false, watched: false },

  // Support for debugging sessions
  { pattern: 'source/app/**/*.ts', included: false, watched: false },
  { pattern: 'test/unit/app/**/*.js.map', included: false, watched: false }
]

[dignifiedquire]

Take a look at #1969 this sounds very similar and the solution posted there might help you.

[oliverspryn]

@dignifiedquire Thank you for your feedback. I already checked this issue and am pretty (99%) convinced that this issue is unrelated. I quadruple checked all of my paths to make sure the casing was correct and that the paths were indeed valid. They seem to be just fine.

My associated question on StackOverflow has revealed that others are facing the same issue without avail.

[dignifiedquire]

looks like this error happens on different failing configs. Could you try and provide me with a sample project that has the same issue?

[oliverspryn]

@dignifiedquire I appreciate the attention you are giving this issue. You can actually look for yourself at the project which has this issue, at: http://github.com/oliver-spryn/portfolio

All of the karma.conf.js files are under the .config folder. Is that of any help to you?

[dignifiedquire]

@oliver-spryn I'm afraid that doesn't help. I've cloned the repo and ran the npm testbrowser and testlocal scripts, but they all pass without any errors for me.

[pdelorme]

@oliver-spryn did you solve the pb ? I'm having the same issue...

[pdelorme]

When running with PhantomJS, at crash time msgvalue is :

{ stack: null,
  originalErr: 
   { line: 833,
     sourceURL: 'http://localhost:9876/base/node_modules/angular2/bundles/angular2.dev.js?f37cd2b1aaaae47ad6abb1c295764f13c0feaf54',
     stack: 'http://localhost:9876/base/node_modules/angular2/bundles/angular2.dev.js?f37cd2b1aaaae47ad6abb1c295764f13c0feaf54:833:25\nhttp://localhost:9876/base/node_modules/angular2/bundles/angular2.dev.js?f37cd2b1aaaae47ad6abb1c295764f13c0feaf54:848:5\nlinkDynamicModule@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:3222:36\ngetModule@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:3190:26\nhttp://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:3226:25\nhttp://localhost:9876/base/node_modules/angular2/bundles/angular2.dev.js?f37cd2b1aaaae47ad6abb1c295764f13c0feaf54:23872:29\nlinkDynamicModule@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:3222:36\nlink@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:3065:28\nexecute@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:3402:17\ndoDynamicExecute@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:796:32\nlink@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:998:36\ndoLink@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:650:11\nupdateLinkSetOnLoad@http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:698:24\nhttp://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624:510:30\ninvoke@http://localhost:9876/base/node_modules/angular2/bundles/angular2-polyfills.js?515e45a0cf377eb121bfd453f38a79b8d69bce25:332:34\nrun@http://localhost:9876/base/node_modules/angular2/bundles/angular2-polyfills.js?515e45a0cf377eb121bfd453f38a79b8d69bce25:227:50\nhttp://localhost:9876/base/node_modules/angular2/bundles/angular2-polyfills.js?515e45a0cf377eb121bfd453f38a79b8d69bce25:576:61\ninvokeTask@http://localhost:9876/base/node_modules/angular2/bundles/angular2-polyfills.js?515e45a0cf377eb121bfd453f38a79b8d69bce25:365:43\nrunTask@http://localhost:9876/base/node_modules/angular2/bundles/angular2-polyfills.js?515e45a0cf377eb121bfd453f38a79b8d69bce25:263:58\ndrainMicroTaskQueue@http://localhost:9876/base/node_modules/angular2/bundles/angular2-polyfills.js?515e45a0cf377eb121bfd453f38a79b8d69bce25:482:43\ninvoke@http://localhost:9876/base/node_modules/angular2/bundles/angular2-polyfills.js?515e45a0cf377eb121bfd453f38a79b8d69bce25:434:41' },
  line: 821,
  sourceURL: 'http://localhost:9876/base/node_modules/systemjs/dist/system.src.js?18a094f61af9f2ec0577ca3a337760d97719b624' }

[unlight]

I had same issue with latest systemjs (no idea why it affects). After I downgraded systemjs to 0.19.6 error is gone.

[phhoangbao]

@oliver-spryn you try to change your karma-test-shim.js. Under System.config, change format: 'register' to format: 'cjs'
Simple proj @https://github.com/phhoangbao/angular2-test to simulate same issue as you.