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  1. FirefoxDriver.<init>() has thrown an IllegalStateException
    Selenium Firefox Driver
    3
    1
    2
  2. Preconditions.checkState() has thrown an IllegalStateException
    Sisu Guava - Core Library
    207
    460
    122

Your stack trace compared to the selected pattern

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java.lang.IllegalStateException: The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases
    at com.google.common.base.Preconditions.checkState(Preconditions.java:199)
    at org.openqa.selenium.remote.service.DriverService.findExecutable(DriverService.java:109)
    at org.openqa.selenium.firefox.GeckoDriverService.access$000(GeckoDriverService.java:37)
    at org.openqa.selenium.firefox.GeckoDriverService$Builder.findDefaultExecutable(GeckoDriverService.java:95)
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Solution

Shane Rogers11 months ago

checkState() is Static convenience methods that help a method or constructor check whether it was invoked correctly (whether its preconditions have been met). This occurs when the precondition does not met.

External results for this pattern (10)

  1. tsaridasvia GitHub23 hours ago
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  8. midorlovia GitHub3 days ago
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  9. kageiitvia GitHub3 days ago
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  10. arunkumar143199via GitHub3 days ago
    The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases
    Show stack trace