How to change port for jenkins window service when 8080 is being used

Jenkins Problem Overview

I installed Jenkins on a windows virtual server and want to run it as window service.

Since the port 8080 is being used by other service, I changed the http port to 8081 in jenkins.xml file. However, I am not able to launch localhost:8081/jenkins at all. I need detail instruction/steps to configure port 8081 or something to run Jenkins.

Jenkins Solutions

Solution 1 - Jenkins

Go to the directory where you installed Jenkins (by default, it's under Program Files/Jenkins)
Open the Jenkins.xml configuration file
Search --httpPort=8080 and replace the 8080 with the new port number that you wish
Restart Jenkins for changes to take effect

Solution 2 - Jenkins

Restart Jenkins service

Just restart the Jenkins service after you changed the port in jenkins.xml.

Press Win + R
Type "services.msc"
Right click on the "Jenkins" line > Restart

Type http://localhost:8081/ in your browser to test the change.

Solution 3 - Jenkins

On Ubuntu 16.04 LTS you can change the Port like that:

Change port number in the config file /etc/default/jenkins to 8081 (or the port you like) HTTP_PORT=8081
Restart Jenkins: service jenkins restart

Solution 4 - Jenkins

Start Jenkins from cmd line with this command :

java -jar jenkins.war --httpPort=8081

Solution 5 - Jenkins

If you are running on Redhat, do following

Stop Jenkins
$sudo service jenkins stop
change port number in /etc/sysconfig/jenkins like i did for port 8081
JENKINS_PORT="8081"
start Jenkins again
$sudo service jenkins start

make sure your FW has correct burn rules.

Solution 6 - Jenkins

In linux,

sudo vi /etc/sysconfig/jenkins

set following configuration with any available port

JENKINS_PORT="8082"

Solution 7 - Jenkins

Check in Jenkins.xml and update like below

<arguments>-Xrs -Xmx256m -Dhudson.lifecycle=hudson.lifecycle.WindowsServiceLifecycle -jar "%BASE%\jenkins.war" --httpPort=8090</arguments>

Solution 8 - Jenkins

You should follow 2 steps:

This step can be followed by running the cmd in the specific folder location where there will be .war file. This step helpful as Jenkins needs some disk space to perform builds and keep archives.
```
set JENKINS_HOME=c:\folder\Jenkins
```
This step will be helpful to change the port number, and works can be performed accordingly.
```
java -jar jenkins.war --httpPort=8585
```

Solution 9 - Jenkins

1 ) Open the jenkins.xml file
2 ) Search for the "--httpPort=8080" Text and replace the port number 8080 with your custom port number (like 7070 , 9090 )
3 ) Go to your services running your machine & find out the Jenkins service and click on restart.

Solution 10 - Jenkins

Use Default Port

If the default port 8080 has been bind with other process, Then kill that process.

DOS> netstat -a -o -n

Find the process id (PID) XXXX of the process which occupied 8080.

DOS> taskkill /F /PID XXXX

Now, start Jenkins (on default port)

DOS> Java -jar jenkins.war

Use Custom Port

DOS> Java -jar jenkins.war --httpPort=8008

Solution 11 - Jenkins

Changing Jenkins Port (METHOD 1)

sudo nano /etc/default/jenkins

Scroll down until you find the following lines:

> # port for HTTP connector (default 8080; disable with -1) > > HTTP_PORT=8080

Edit the second line to include the port number you want to specify. For instance:

> HTTP_PORT=8081

Restart Jenkins:

sudo systemctl restart jenkins

Changing Jenkins Port (METHOD 2)

Populate /lib/systemd/system/jenkins.service with configuration parameters for the launch To change jenkins port, set Jenkins to listen on port :

Open systemd service file:
sudo vi /lib/systemd/system/jenkins.service

change port:

> [Service]
> Environment="JENKINS_PORT=9191"

Reload units:
sudo systemctl daemon-reload

Restart jenkins:
sudo systemctl restart jenkins

More info:

https://www.jenkins.io/doc/book/installing/linux/#debianubuntu

Solution 12 - Jenkins

On Windows (with Windows Service).

Edit the file C:\Program Files (x86)\Jenkins\jenkins.xml with 8083 if you want 8083 port.

<arguments>-Xrs -Xmx256m -Dhudson.lifecycle=hudson.lifecycle.WindowsServiceLifecycle -jar "%BASE%\jenkins.war" --httpPort=8083</arguments>

Solution 13 - Jenkins

For jenkins in a docker container you can use port publish option in docker run command to map jenkins port in container to different outside port.

e.g. map docker container internal jenkins GUI port 8080 to port 9090 external

docker run -it -d --name jenkins42 --restart always \
   -p <ip>:9090:8080 <image>

Solution 14 - Jenkins

For Ubuntu there is a small change in paths etc:

First, you need to open the Jenkins config file:

Path for GUI:

/etc/default/jenkins

Command for terminal:

sudo nano /etc/default/jenkins

Note: instead of nano you can use vi, cat, etc

find HTTP_PORT

replace 8080 to any port like:

HTTP_PORT=8282

Content Type	Original Author	Original Content on Stackoverflow
Question	victorialei	View Question on Stackoverflow
Solution 1 - Jenkins	Nuh Metin Güler	View Answer on Stackoverflow
Solution 2 - Jenkins	ROMANIA_engineer	View Answer on Stackoverflow
Solution 3 - Jenkins	user661545	View Answer on Stackoverflow
Solution 4 - Jenkins	Cole9350	View Answer on Stackoverflow
Solution 5 - Jenkins	star	View Answer on Stackoverflow
Solution 6 - Jenkins	Udara Seneviratne	View Answer on Stackoverflow
Solution 7 - Jenkins	Karan Thakur	View Answer on Stackoverflow
Solution 8 - Jenkins	Anirban Hazarika	View Answer on Stackoverflow
Solution 9 - Jenkins	Lova Chittumuri	View Answer on Stackoverflow
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Solution 12 - Jenkins	Stéphane GRILLON	View Answer on Stackoverflow
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Solution 14 - Jenkins	Mobin Al Hassan	View Answer on Stackoverflow