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Tuesday, August 24, 2010

How to handle Selenium is already running on port 4444

When we run selenium RC test cases sometimes we faces this issue saying "java.net.BindException: Selenium is already running on port 4444. Or some other service is." When you check the port 4444 no service is running. We change the port and run the program even that too is not working.
In these cases we need to shutdown the selenium server on this port.
Use below command to shut down the server.

http://localhost:4444/selenium-server/driver/?cmd=shutDownSeleniumServer

If selenium server is already running on port 4444 then it will shut down the server and says
OKOK
if selenium is not running on this port 4444 then by hitting above url will give you
"Unable to connect"
Now you can run your test cases i am sure will run smoothing.

43 comments:

  1. Thanks! It works! :)
    Alex (Ukraine)

    ReplyDelete
  2. This comment has been removed by the author.

    ReplyDelete
  3. it reallY works! :) thanx a lot! :)

    ReplyDelete
  4. Thanks it worked.... :)
    Rajesh (India)

    ReplyDelete
  5. Hi,

    Please help. I am still facing this issue:
    "Selenium is already running on port 4444. Or some other service is."

    I use Selenium RC, TestNG and Java.

    Regards,
    Aruna

    ReplyDelete
  6. Hi,

    Its works fine.
    But i have facing similar issue while running suite using XML file. The intersting thing here is that, if we start selenium server manualy suite running fine. But if we start server from the code[selenium.boot()], I am getting "Selenium is already running on port 4444. Or some other service is."
    after the first class in the suite. Could you please help me to overcome this?

    ReplyDelete
  7. Thanks. It was a complete mystery to me how to solve this problem. Your url is very useful

    ReplyDelete
  8. I am trying to run a test suite in XML.. but it says "Selenium is already running on port 4444. Or some other service is" . I cannot overcome from this issue. Can you please help me out...

    ReplyDelete
  9. thanks a lot! May God bless you!

    ReplyDelete
  10. Thanks. It works for me.

    ReplyDelete
  11. Works great!! Thanks for the post!!

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  12. thank u soooooooooooooooo muchhhhhhhhhhhhhhhhhhhhhhh

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