Unable to parse new session response, when run Protractor test in firefox

问题

Protractor version : 5.1.1, Firefox version: 47, webdriver version : v0.15.0 I get following error when I try to run Protractor test in Firefox:

[15:13:47] I/launcher - Running 1 instances of WebDriver
[15:13:47] I/direct - Using FirefoxDriver directly...
[15:13:53] E/launcher - Unable to parse new session response: {"value": {"sessionId":"e8dc5d2f-a3bd-45db-89c1-a023e31e08e6","value":{"XULappId":"{ec80
30f7-c20a-464f-9b0e-13a3a9e97384}","acceptSslCerts":false,"appBuildId":"20160604131506","browserName":"Firefox","browserVersion":"47.0","command_id":1
,"count":1,"device":"desktop","platform":"WINDOWS_NT","platformName":"Windows_NT","platformVersion":"6.3","proxy":{},"raisesAccessibilityExceptions":f
alse,"rotatable":false,"specificationLevel":0,"takesElementScreenshot":true,"takesScreenshot":true,"version":"47.0"}}}
[15:13:53] E/launcher - WebDriverError: Unable to parse new session response: {"value": {"sessionId":"e8dc5d2f-a3bd-45db-89c1-a023e31e08e6","value":{"
XULappId":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","acceptSslCerts":false,"appBuildId":"20160604131506","browserName":"Firefox","browserVersion":"47.0
","command_id":1,"count":1,"device":"desktop","platform":"WINDOWS_NT","platformName":"Windows_NT","platformVersion":"6.3","proxy":{},"raisesAccessibil
ityExceptions":false,"rotatable":false,"specificationLevel":0,"takesElementScreenshot":true,"takesScreenshot":true,"version":"47.0"}}}
    at WebDriverError (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\selenium-webdriver\lib\error.js:27:5)
    at doSend.then.response (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\selenium-webdriver\lib\http.js:445:19)
    at process._tickCallback (internal/process/next_tick.js:109:7)
From: Task: WebDriver.createSession()
    at Function.createSession (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\selenium-webdriver\lib\webdriver.js:777:24)
    at Function.createSession (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\selenium-webdriver\firefox\index.js:640:55)
    at Direct.getNewDriver (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\protractor\lib\driverProviders\direct.ts:112:25)

    at Runner.createBrowser (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\protractor\lib\runner.ts:225:39)
    at q.then.then (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\protractor\lib\runner.ts:391:27)
    at _fulfilled (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\q\q.js:834:54)
    at self.promiseDispatch.done (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\q\q.js:863:30)
    at Promise.promise.promiseDispatch (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\q\q.js:796:13)
    at C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\q\q.js:556:49
    at runSingle (C:\DG_Selenium\analytics-qa\TestAutomation\SeleniumFramework\node_modules\q\q.js:137:13)
[15:13:53] E/launcher - Process exited with error code 199

Config file :

    capabilities : {
        'browserName' : 'firefox',
     },
   directConnect : true,

Tried running following command:

java -jar "C:\Users\testuser\AppData\Roaming\npm\node_modules\protractor\node_modules\webdriver-manager\selenium\s
elenium-server-standalone-3.3.1.jar" -Dwebdriver.firefox.bin="c:\Program Files\Mozilla Firefox\firefox.exe"
Exception in thread "main" com.beust.jcommander.ParameterException: Unknown option: -Dwebdriver.firefox.bin=c:\Program Files\Mozilla Firefox\firefox.e
xe
        at com.beust.jcommander.JCommander.parseValues(JCommander.java:742)
        at com.beust.jcommander.JCommander.parse(JCommander.java:282)
        at com.beust.jcommander.JCommander.parse(JCommander.java:265)
        at com.beust.jcommander.JCommander.<init>(JCommander.java:210)
        at org.openqa.grid.selenium.GridLauncherV3$1.setConfiguration(GridLauncherV3.java:227)
        at org.openqa.grid.selenium.GridLauncherV3.buildLauncher(GridLauncherV3.java:155)
        at org.openqa.grid.selenium.GridLauncherV3.main(GridLauncherV3.java:75)

回答1:

directConnect is not working with Firefox 52+ and Protractor 5.1.1. (angular/protractor#4253) Have you tried with a standalone version of webdriver-manager to eliminate the directConnect problems?

How to use webdriver-manager:

npm install webdriver-manager -g
webdriver-manager update
webdriver-manager start

It will start a server on localhost:4444/wd/hub. Add that to your config with seleniumAddress: 'http://localhost:4444/wd/hub'.

You are also using an old version of Firefox (47) with a new webdriver version. I don't know if that could cause the problem. Do you really need 47, or can you upgrade? If so, be aware that 51 is "stable" and 52 could give some troubles.

来源：https://stackoverflow.com/questions/43194582/unable-to-parse-new-session-response-when-run-protractor-test-in-firefox

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