SeleneseTestBase.setUp() has thrown a RuntimeException

We found this prefix in 2 webpages.
MapChildren (2)Typical messages (2)TraceDetailed Map
  1. com.thoughtworks.selenium.SeleniumException
    1.   at com.thoughtworks.selenium.HttpCommandProcessor.throwAssertionFailureExceptionOrError()
    2.   at com.thoughtworks.selenium.HttpCommandProcessor.doCommand()
    3.   at com.thoughtworks.selenium.HttpCommandProcessor.getString()
    4.   at com.thoughtworks.selenium.HttpCommandProcessor.start()
    5.   at com.thoughtworks.selenium.DefaultSelenium.start()
  2. java.lang.RuntimeException
    1.   at com.thoughtworks.selenium.DefaultSelenium.start()
    2.   at com.thoughtworks.selenium.SeleneseTestBase.setUp()
    3.   at com.thoughtworks.selenium.SeleneseTestBase.setUp()
  1. Unable to run the selenium RC script with Firefox on Windows 7

    First:7 years ago
    Last:3 years ago
    Author:sam6
  2. Could not start Selenium session: in Junit 3.8.2 test and selenium 3.4 on linux

    First:1 year ago
    Last:1 year ago
    Author:gene
MessageNumber of crashes
Failed to start new browser session: Error while launching browser1
<No message>1
  1. com.thoughtworks.selenium.SeleniumException
    1.   at com.thoughtworks.selenium.HttpCommandProcessor.throwAssertionFailureExceptionOrError()
    2.   at com.thoughtworks.selenium.HttpCommandProcessor.doCommand()
    3.   at com.thoughtworks.selenium.HttpCommandProcessor.getString()
    4.   at com.thoughtworks.selenium.HttpCommandProcessor.start()
    5.   at com.thoughtworks.selenium.DefaultSelenium.start()
  2. java.lang.RuntimeException
    1.   at com.thoughtworks.selenium.DefaultSelenium.start()
    2.   at com.thoughtworks.selenium.SeleneseTestBase.setUp()
    3.   at com.thoughtworks.selenium.SeleneseTestBase.setUp()