How to configure port number in tomcat

To configure the Tomcat port number, open the server.xml file, find the Connector element, modify the port attribute to the required port number, save the file and restart Tomcat. Verify that the port number has changed by using the netstat command.

How to configure the Tomcat port number

Tomcat uses port 8080 by default, but sometimes you may need to change it to other ports. The following is how to configure the Tomcat port number:

1. Open the Tomcat server configuration file

• Windows: conf\server.xml
• Linux/Mac: conf/server.xml

2. Find the Connector element

in server.xml file, find the following code block:

<code class="xml"><Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" /></code>

3. Modify the port number

Modify the port attribute to set the port number you want to use. For example, to use port 9090, change to the following code:

<code class="xml"><Connector port="9090" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" /></code>

4. Save and restart Tomcat

Save the server.xml file and restart the Tomcat server to Make the changes effective.

5. Verify the port number

After rebooting, you can check if the port number has changed using the following command:

• Windows: netstat -ano | findstr "8080"
• Linux/Mac: netstat -lntp | grep "9090"

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