karma error: TypeError: Cannot set property 'results' of undefined - node.js

Question

when trying to run PhantomJS 2.1.1 with karma 1.3.0, i get error:
[33mWARN [PhantomJS 2.1.1 (Linux 0.0.0)]: [39mDisconnected (1 times), because no message in 10000 ms.
[31mERROR [karma]: [39m[TypeError: Cannot set property 'results' of undefined]
TypeError: Cannot set property 'results' of undefined
at onBrowserComplete (/opt/jenkins/workspace/PHANTOMJS-2.1.1/Apps/InternalApp/InternalApp/node_modules/karma-html-reporter/index.js:43:25)
at null.<anonymous> (/opt/jenkins/workspace/PHANTOMJS-2.1.1/Apps/InternalApp/InternalApp/node_modules/karma/lib/events.js:14:22)
at emitOne (events.js:82:20)
at emit (events.js:169:7)
at null._onTimeout (/opt/jenkins/workspace/PHANTOMJS-2.1.1/Apps/InternalApp/InternalApp/node_modules/karma/lib/browser.js:50:15)
at Timer.listOnTimeout (timers.js:92:15)
here is my karma.conf.js
module.exports = function(config) {
var isSingleRun = false;
var pluginsToLoad = [
'karma-jasmine',
'karma-chrome-launcher',
'karma-commonjs',
'karma-phantomjs-launcher',
'karma-firefox-launcher',
'karma-coverage',
'karma-ng-html2js-preprocessor'
];
var reportersToLoad = ['progress', 'coverage'];
var browsers = ['PhantomJS'];
// turn off all pre-processors that might be interfering with line numbers in karma errors.
var sourcePreprocessors = ['coverage'];
var templatePreprocessors = ['ng-html2js'];
var codeSrc = 'src/main/core/app/';
var testSrc = 'src/test/core/';
var filesToInclude = [
'node_modules/jquery/dist/jquery.min.js',
codeSrc + 'libs/jquery-ui-1.10.4/jquery-ui-1.10.4.js',
codeSrc + 'libs/jqueryDatatables-1.9.4/jquery.dataTables.js',
'node_modules/jasmine-core/lib/jasmine-core/jasmine.js',
'node_modules/jasmine-core/lib/jasmine-core/jasmine.css',
'node_modules/jasmine-jquery/lib/jasmine-jquery.js',
codeSrc + 'libs/angular/angular.js',
codeSrc + 'libs/angular/angular-cookies.js',
'node_modules/angular-mocks/angular-mocks.js',
codeSrc + 'libs/angular/angular-resource.min.js',
codeSrc + 'libs/lodash/lodash.compat.min.js',
codeSrc + 'libs/bootstrap/*.js',
codeSrc + 'libs/moment/2.0.0/moment.min.js',
codeSrc + '../common/**/*.js',
codeSrc + 'internal/**/*.module.js',
codeSrc + 'internal/**/*.controller.js',
codeSrc + 'internal/**/*.directive.js',
codeSrc + 'internal/**/*.service.js',
codeSrc + 'internal/**/*.filter.js',
testSrc + 'shared/testUtils.js',
'src/main/webapp/app/app_templates.js',
'src/main/webapp/app/metis_templates.js'
];
var testFilesToPush = [
testSrc + 'shared/**/*.test.js',
testSrc + 'shared/**/*.mock.js',
];
function runSingleTestFile(file) {
testFilesToPush = [testSrc + '**/' + file];
}
for (var i = 0; i < process.argv.length; i++) {
var arg = process.argv[i];
switch(arg) {
case '--debug': {
sourcePreprocessors = [];
break;
}
case '--browser': {
browsers = [process.argv[++i]];
break;
}
case '--file': {
runSingleTestFile(process.argv[++i]);
break;
}
}
}
filesToInclude = filesToInclude.concat(testFilesToPush);
// determine if and set parameters for pipeline build
function isBuildMinion(argument) {
return argument === '--pipeline';
}
if (process.argv.some(isBuildMinion)) {
console.log("running in pipeline: limiting plugins and will not run continuously");
pluginsToLoad = [ 'karma-jasmine', 'karma-commonjs', 'karma-phantomjs-launcher', 'karma-ng-html2js-preprocessor','karma-coverage','karma-html-reporter' ];
isSingleRun = true;
sourcePreprocessors = ['coverage'];
reportersToLoad = ['coverage','html'];
}
config.set({
// base path, that will be used to resolve files and exclude
basePath: '',
frameworks: ['jasmine'],
// list of files / patterns to load in the browser
files: filesToInclude,
// list of files to exclude
exclude: [
'client/main.js'
],
// use dots reporter, as travis terminal does not support escaping sequences
// possible values: 'dots', 'progress'
// CLI --reporters progress
reporters: reportersToLoad,
preprocessors: {
'src/main/core/app/internal/**/*.js': sourcePreprocessors,
'src/main/core/app/metis/components/**/*.js': sourcePreprocessors
},
// web server port
// CLI --port 9876
port: 9876,
// enable / disable colors in the output (reporters and logs)
// CLI --colors --no-colors
colors: true,
// level of logging
// possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
// CLI --log-level debug
logLevel: config.LOG_INFO,
// enable / disable watching file and executing tests whenever any file changes
// CLI --auto-watch --no-auto-watch
autoWatch: true,
coverageReporter: {
type : 'html',
dir : 'build/karma/coverage/'
},
htmlReporter: {
outputDir: 'build/karma/html', // where to put the reports
focusOnFailures: true, // reports show failures on start
},
ngHtml2JsPreprocessor: {
stripPrefix: '.*/static',
prependPrefix: '/metis',
},
// Start these browsers, currently available:
// - Chrome
// - ChromeCanary
// - Firefox
// - Opera
// - Safari (only Mac)
// - PhantomJS
// - IE (only Windows)
// CLI --browsers Chrome,Firefox,Safari
browsers: browsers,
// If browser does not capture in given timeout [ms], kill it
// CLI --capture-timeout 5000
captureTimeout: 20000,
// Auto run tests on start (when browsers are captured) and exit
// CLI --single-run --no-single-run
singleRun: isSingleRun,
// report which specs are slower than 500ms
// CLI --report-slower-than 500
reportSlowerThan: 500,
plugins: pluginsToLoad
});
};
from the command line:
karma start
INFO [karma]: Karma v0.12.37 server started at http://localhost:9876/
INFO [launcher]: Starting browser PhantomJS
INFO [PhantomJS 2.1.1 (Linux 0.0.0)]: Connected on socket JfQHKGDH0YODbO1ftHs7 with id 87652824
WARN [web-server]: 404: /InternalApp/rest/toggles/ui/AnalyticsFiles
and with the pipeline option
karma start --pipeline
running in pipeline: limiting plugins and will not run continuously
INFO [karma]: Karma v0.12.37 server started at http://localhost:9876/
INFO [launcher]: Starting browser PhantomJS
INFO [PhantomJS 2.1.1 (Linux 0.0.0)]: Connected on socket 3Ic05jImtEagaUWHuVlU with id 45163428
WARN [PhantomJS 2.1.1 (Linux 0.0.0)]: Disconnected (1 times), because no message in 10000 ms.
ERROR [karma]: [TypeError: Cannot set property 'results' of undefined]
TypeError: Cannot set property 'results' of undefined
at onBrowserComplete (/opt/jenkins/workspace/PHANTOMJS-2.1.1/Apps/InternalApp/InternalApp/node_modules/karma-html-reporter/index.js:43:25)
at null.<anonymous> (/opt/jenkins/workspace/PHANTOMJS-2.1.1/Apps/InternalApp/InternalApp/node_modules/karma/lib/events.js:14:22)
at emitOne (events.js:82:20)
at emit (events.js:169:7)
at null._onTimeout (/opt/jenkins/workspace/PHANTOMJS-2.1.1/Apps/InternalApp/InternalApp/node_modules/karma/lib/browser.js:50:15)
at Timer.listOnTimeout (timers.js:92:15)

Answer 1

it turns out that the cause of the error was karma not finding/firing off PhantomJS, so the solution was :
sudo npm install phantomjs-prebuilt --save-dev
this is run where the %ROOT of JavaScript is located, or where package.json is located
npm link phantomjs might have worked also