'Tomcat server and Jenkins conflict port

I have installed Jenkins and tomcat on my pc, I have changed the port number of tomcat to 8081, since Jenkins has its default port number 8080. When I open browser and type "localhost:8081", tomcat server page is not opening.



Solution 1:[1]

Check your firewall settings to be sure 8081 is open. Is the tomcat server running?

We need more information : what OS are you on? What firewall is installed?

Sources

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Source: Stack Overflow

Solution Source
Solution 1