As part of the installation process, the installation wizard prompted us to decide which port JIRA should listen to for incoming connections. If you have accepted the default value, it is port 8080. You can change the port setting by locating and opening the server.xml file in a text editor in the JIRA_INSTALL/conf directory. Let's examine the relevant contents of this file:

<Server port="8005" shutdown="SHUTDOWN"> 

This line specifies the port for the command to shutdown Jira/Tomcat. By default, it is port 8005. If you already have an application that is running on that port (usually another Tomcat instance), you need to change this to a different port:

<Connector port="8080" protocol="HTTP/1.1"> 

This line specifies which port Jira/Tomcat will be running on. By default, it is port 8080. If you already have an application that is running on that port, or if the port is unavailable for some reason, you need to change it to another available port:

<Context path="/jira" docBase="${catalina.home}/atlassian-jira" reloadable="false" useHttpOnly="true"> 

This line allows you to specify the context that Jira will be running under. By default, the value is empty, which means JIRA will be accessible from http://hostname:portnumber. If you decide to specify a context, the URL will be http://hostname:portnumber/context. In our example here, Jira will be accessible from http://localhost:8080/jira.