selenium grid listening on node port instead of hub port

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If you intend to use Selenium in Grid configuration through Hub and Node configuration, I would suggest you to use the most recent selenium-server-standalone-3.6.0 jar as follows:

  1. Start the Selenium Grid Hub (by default on port 4444) :

    java -jar selenium-server-standalone-3.6.0.jar -role hub

  2. Confirm the Selenium Grid Hub is started:

    16:06:29.891 INFO - Nodes should register to http://192.168.1.48:4444/grid/register/
16:06:29.891 INFO - Selenium Grid hub is up and running

  3. Access the Selenium Grid Hub Console and ensure Selenium Grid Hub is up and running:

    http://localhost:4444/grid/console

  4. Start the Selenium Grid Node (by default on port 5555) for Mozilla/GeckoDriver:

    java -Dwebdriver.gecko.driver=geckodriver.exe -jar selenium-server-standalone-3.6.0.jar -role node -hub http://localhost:4444/grid/register

  5. Confirm the Selenium Grid Node is registered and started:

    16:15:54.696 INFO - Selenium Grid node is up and ready to register to the hub
16:15:54.742 INFO - Starting auto registration thread. Will try to register every 5000 ms.
16:15:54.742 INFO - Registering the node to the hub: http://localhost:4444/grid/register
16:15:54.975 INFO - The node is registered to the hub and ready to use

  6. Execute with the Testcase with DesiredCapabilities as follows:

    self.driver = webdriver.Remote(command_executor="http://127.0.0.1:4444/wd/hub", desired_capabilities=caps)

  7. Observe the console logs ending with the following on successful execution of your Testcase:

    16:23:50.590 INFO - Found handler: org.openqa.selenium.remote.server.ServicedSession@37ff9771
16:23:50.590 INFO - Handler thread for session 31a1dcb0-8bed-40fb-acdb-d5be19f03ba2 (firefox): Executing DELETE on /session/31a1dcb0-8bed-40fb-acdb-d5be19f03ba2
 (handler: ServicedSession)
1506941630595   Marionette      INFO    New connections will no longer be accepted

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