How to change Grails App server port in application.yml

This is a quick tutorial on how to set server port while running grails application. By default, grails will use the embedded tomcat server running on port 8080.Sometimes if another process is using port 8080 then we might get a port address already in use error.So, what we will do is to change the default port in the config. In grails 3.x version we can set up the custom port inside application.yml...

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How to resolve port already in use or kill the running process

 On Linux:step1: if the process is running at port 3000 then, firstly we have to kill this process for this open your terminal and typelsof -w -n -i tcp:3000which shows all the list of open file which is running at port 3000. Here, lsof stands for ls = list and of = opened file. You can see list with pid number.step2: type sudo kill -9 6911 where 6911 is pid number. Here...

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