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I'm getting error like Exception in thread main java. NoClassDefFoundError:com/google/common/collect/immutableMap

and above are the full screen shots:

1 Answer 1


You need to tell it where the FirefoxDriver exe is located.


System.setProperty("webdriver.gecko.driver", locationFirefoxDriver);
  • I have provided the Firefox driver exe location, eventhough iam getting the same error Note :- # I have using Firefox 68.0.2 (32-bit) Fire fox Quantum # download the geckodriver-v0.24.0-win64 .# Added gecgo driver path in the environment variable (see the below screenshot)
    – user41039
    Aug 19, 2019 at 11:42
  • Comments there is image upload option.. So I will update screen shot... My previous question itself..
    – user41039
    Aug 19, 2019 at 11:57
  • I have uploaded my updated screen shot in my previous question itself..
    – user41039
    Aug 19, 2019 at 12:07
  • In that case it sounds like the classpath is missing a dependency. Are you running using the selenium-server-standalone.jar? If so is the path to Java / etc definitely correct in the classpath? Or is this Maven?
    – Klynt
    Aug 19, 2019 at 12:27

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