[🐛 Bug]: org.openqa.selenium.grid.server not releasing port even after stopping it

[sathanRaj]

What happened?

I'm using selenium 4.24.0 version. In my case i need to stop the selenium server and start it again with the previous port.
but, when i stop the server it's not releasing the port.So I'm not able to use the same port and I need to stop the whole java process to free the port.

How can we reproduce the issue?

Here is the code snippet:
Code used to start the server
                        Hub hub = new Hub();
			Server hubServer = hub.asServer("Here is my custom config");
			hubServer.start();
Code used to stop the server
                        hubServer.stop();

Relevant log output

getting below error when i try to start the server with the same port

Caused by: org.zeromq.ZMQException: Errno 48 : Address already in use
	at org.zeromq.ZMQ$Socket.mayRaise(ZMQ.java:3901)
	at org.zeromq.ZMQ$Socket.bind(ZMQ.java:3176)
	at org.openqa.selenium.events.zeromq.BoundZmqEventBus.<init>(BoundZmqEventBus.java:56)
	at org.openqa.selenium.events.zeromq.ZeroMqEventBus.create(ZeroMqEventBus.java:49)
	at org.openqa.selenium.events.zeromq.ZeroMqEventBus.create(ZeroMqEventBus.java:91)
	... 27 more

Operating System

Mac

Selenium version

4.24.0

What are the browser(s) and version(s) where you see this issue?

It's not browser related

What are the browser driver(s) and version(s) where you see this issue?

It's not browser related

Are you using Selenium Grid?

4.24.0

[github-actions]

@sathanRaj, thank you for creating this issue. We will troubleshoot it as soon as we can.

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Thank you!

[joerg1985]

@sathanRaj this should have been fixed in 4.27.0 with 0338677 could you test with this version?

[sathanRaj]

Working as expected in 4.27.0 version.
Thanks for the info @joerg1985

[github-actions]

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