launch tests in Chrome with Nightwatchjs on Mac OS: "Connection refused! Is selenium server started?"

Question

I am able to run my tests with Firefox using the following command:

 nightwatch -t tests/test4.js

My nightwatchjs.json config file:

{
  "src_folders" : ["tests"],
  "output_folder" : "reports",
  "custom_commands_path" : "",
  "custom_assertions_path" : "",
  "globals_path" : "",

  "selenium" : {
    "start_process" : true,
    "server_path" : "selenium-server-standalone-2.44.0.jar",
    "log_path" : "",
    "host" : "127.0.0.1",
    "port" : 4444,
    "cli_args" : {
      "webdriver.chrome.driver" : "drivers/chromedriver"
    }  
  },

  "test_settings" : {
    "default" : {
      "launch_url" : "http://localhost",
      "selenium_port"  : 4444,
      "selenium_host"  : "localhost",
      "silent": true,
      "screenshots" : {
        "enabled" : false,
        "path" : ""
      },
      "desiredCapabilities": {
        "browserName": "firefox",
        "javascriptEnabled": true,
        "acceptSslCerts": true
      }
    },

    "chrome" : {
      "desiredCapabilities": {
        "browserName": "chrome",
        "javascriptEnabled": true,
        "acceptSslCerts": true
      }
    }
  }
}

However I can't run the tests with Chrome. Here is the command:

nightwatch -t tests/test4.js -e chrome --verbose

And the output:

INFO Request: POST /wd/hub/session 
 - data:  {"desiredCapabilities":{"browserName":"chrome","javascriptEnabled":true,"acceptSslCerts":true,"platform":"ANY","name":"Test4"}} 
 - headers:  {"Content-Type":"application/json; charset=utf-8","Content-Length":127}
ERROR Response 500 POST /wd/hub/session{ sessionId: null,
  status: 13,
  state: 'unhandled error',
  value: 
   { message: null,
     localizedMessage: null,
     cause: null,
     class: 'java.util.concurrent.TimeoutException',
     hCode: 1023736867,
     screen: null },
  class: 'org.openqa.selenium.remote.Response',
  hCode: 31447144 }

For some reasons, the same main configuration options work for Firefox but do not work for Chrome. Does anybody have the same issue?

Thanks, Paul

Andrew Kochnev · Answer 1 · 2015-01-16T10:37:46.130

Paul!) Try use selenium CLI arguments in chrome "desiredCapabilities" block. And specify path to your chromedriver binary file. or you can make it if add it in selenium block

"cli_args" : {
      "webdriver.chrome.driver" : "<path to chromedriver>"
    }

http://nightwatchjs.org/guide#settings-file for more info.

But I prefer run selenium server using bash script something like that

#!/bin/bash
all="false"
chrome="false"
firefox="false"
phantom="false"
for var in "$@"
do
    if [ "$var" == "firefox" ];
    then
        firefox="true"
    fi
    if [ "$var" == "chrome" ];
    then
        chrome="true"
    fi
    if [ "$var" == "phantomjs" ];
    then
        phantom="true"
    fi
    if [ "$var" == "all" ];
    then
        all="true"
        firefox="true"
        chrome="true"
        phantom="true"
    fi
done

if [ "$firefox" == "true" ] && [ "$phantom" == "true" ] && [ "$chrome" == "true" ];
then
    all="true"
fi

if [ "$#" -eq 0 ];
then
    firefox="true"
fi

echo Selenium will started for chrome: "$chrome"
echo Selenium will started for firefox: "$firefox"
echo Selenium will started for phantomjs: "$phantom"
echo Selenium will started for all browsers: "$all"

if [ "$chrome" == "true" ];
then
    nohup java -jar lib/selenium-server-standalone-2.44.0.jar -Dwebdriver.chrome.driver="lib/chromedriver"&
    echo $! > sel_pid_head
    echo "Selenium server for Chrome and FireFox started"
    chrome="false"
    firefox="false"
fi

if [ "$firefox" == "true" ];
then
    nohup java -jar lib/selenium-server-standalone-2.44.0.jar&
    echo $! > sel_pid_head
    echo "Selenium server for FireFox started"
    firefox="false"
fi

if [ "$all" == "true" ];
then
    nohup java -jar lib/selenium-server-standalone-2.44.0.jar -role hub -port 4455&
    echo $! > sel_pid_headless
    echo "Selenium server for PhantomJS started"
    echo "Waiting 3 sec to register ghost driver into Selenium hub"
    sleep 3
    nohup phantomjs --webdriver=8080 --webdriver-selenium-grid-hub=http://127.0.0.1:4455&
    echo "PhantomJS registred in Selenium Server"
    echo $! > ghost_pid
    phantom="false"
    all="false"
fi

if [ "$phantom" == "true" ]
then
    nohup java -jar lib/selenium-server-standalone-2.44.0.jar -role hub -port 4455&
    echo $! > sel_pid_headless
    echo "Selenium server for PhantomJS started"
    echo "Waiting 3 sec to register ghost driver into Selenium hub"
    sleep 3
    nohup phantomjs --webdriver=8080 --webdriver-selenium-grid-hub=http://127.0.0.1:4455&
    echo "PhantomJS registred in Selenium Server"
    echo $! > ghost_pid
    phantom="false"
fi

Im having a similar issue here... i followed your instructions to add the binary file path (not sure if mine is correct) when i try to run a test using the `-e chrome` i get the following error — chrismillah, May 22 '15 at 15:42
@r00k are you started selenium server from script with chrome param before run nightwatch? — Andrew Kochnev, Jun 02 '15 at 13:37

launch tests in Chrome with Nightwatchjs on Mac OS: "Connection refused! Is selenium server started?"

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