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Editorial Team
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Asked: 2026-05-25T00:54:19+00:00

Using, Centos, Apache, PHPUnit, Selenium RC, I was trying to test selenium RC which

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Using, Centos, Apache, PHPUnit, Selenium RC,

I was trying to test selenium RC which is running in one of my server.

java -jar selenium-server-standalone-2.4.0.jar

Initially i got error of firefox creating profile and it doesnot load anything up and gives error.

Secondly i tried to do with given profile location.

java -jar selenium-server-standalone-2.4.0.jar -firefoxProfileTemplate
“/root/.mozilla/firefox/” &

still it shows error

ERROR – Failed to start new browser session, shutdown browser and
clear all session data

INFO – Got result: Failed to start new browser session: Error while launching browser on session null

Please share your view what may be the problem,
Running Mock , it is working, for test purpose, but firefox, is unable to lunch browser session.

Note: its not GUI mode (NO X), it has firefox version 3.6.18, 

09:48:20.312 INFO - Got result: Failed to start new browser session: Error while launching browser on session null
09:48:39.659 INFO - Command request: getNewBrowserSession[*firefox3, http://google.co.uk] on session null
09:48:39.659 INFO - creating new remote session
09:48:39.660 INFO - Allocated session 17b9149077f648d3bc89b3f106466c6c for http://google.co.uk, launching...
09:48:39.860 INFO - Preparing Firefox profile...
09:49:00.017 ERROR - Failed to start new browser session, shutdown browser and clear all session data
java.lang.RuntimeException: Timed out waiting for profile to be created!
        at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.waitForFullProfileToBeCreated(FirefoxChromeLauncher.java:360)
        at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.populateCustomProfileDirectory(FirefoxChromeLauncher.java:114)
        at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.launch(FirefoxChromeLauncher.java:83)
        at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.launchRemoteSession(FirefoxChromeLauncher.java:412)
        at org.openqa.selenium.server.BrowserSessionFactory.createNewRemoteSession(BrowserSessionFactory.java:375)
        at org.openqa.selenium.server.BrowserSessionFactory.getNewBrowserSession(BrowserSessionFactory.java:125)
        at org.openqa.selenium.server.BrowserSessionFactory.getNewBrowserSession(BrowserSessionFactory.java:87)
        at org.openqa.selenium.server.SeleniumDriverResourceHandler.getNewBrowserSession(SeleniumDriverResourceHandler.java:785)
        at org.openqa.selenium.server.SeleniumDriverResourceHandler.doCommand(SeleniumDriverResourceHandler.java:422)
        at org.openqa.selenium.server.SeleniumDriverResourceHandler.handleCommandRequest(SeleniumDriverResourceHandler.java:393)
        at org.openqa.selenium.server.SeleniumDriverResourceHandler.handle(SeleniumDriverResourceHandler.java:146)
        at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1530)
        at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1482)
        at org.openqa.jetty.http.HttpServer.service(HttpServer.java:909)
        at org.openqa.jetty.http.HttpConnection.service(HttpConnection.java:820)
        at org.openqa.jetty.http.HttpConnection.handleNext(HttpConnection.java:986)
        at org.openqa.jetty.http.HttpConnection.handle(HttpConnection.java:837)
        at org.openqa.jetty.http.SocketListener.handleConnection(SocketListener.java:243)
        at org.openqa.jetty.util.ThreadedServer.handle(ThreadedServer.java:357)
        at org.openqa.jetty.util.ThreadPool$PoolThread.run(ThreadPool.java:534)
09:49:00.048 INFO - Got result: Failed to start new browser session: Error while launching browser on session null
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1 Answer

  1. Editorial Team

    After, a whole day research, i got the solution, which may be useful for all of you if this is the case..

    If Any issue: Due to the Display issue you may face several problem, such as firefox profile, and firefox lunching, and not being able to load.

    Firefox Profile Issue: Copy and paste from another machine if you dont have in given machine.
    Firefox Lunching Issue: With No session on null: yum install xorg-x11-Xvfb && Xvfb :99 -ac && export DISPLAY=:99 && firefox
    Here if you see any issue regarding xvfb :99 you may have to delete the lock file.

    Server is already active for display 99
    If this server is no longer running, remove /tmp/.X99-lock
    and start again.

    Firefox should launch without error, and stay running (until you kill it with Control-C)

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