How to deploy a Java web application on raspberry pi

Question

I have created a java web application using netbeans 8. The project works fine.

I need a help to put my project to the raspberry pi , so that when i type the ip address in the web browser it should run my java web application.

Also what are the things i needed to make my raspberry pi as a web server.

In my raspberry pi ,i already have java 8 ,apache2 ,tomcat8.

Is it a question about system administration or programming? — dotvav
– dotvav, Commented Jul 27, 2015 at 9:44
Connect to the device via ssh, copy the war, launch tomcat. After that you should be able to use the application — Diego Martinoia
– Diego Martinoia, Commented Jul 27, 2015 at 9:49
@DiegoMartinoia first of all thank you for your valuable comment.......do i need to put copy whole project to the raspberry pi..... — callmejeevan
– callmejeevan, Commented Jul 28, 2015 at 14:08
If you have a webapp, when you compile it should generate an archive file (usually a .war) . You need to copy that to the PI and tell the tomcat inside to run that. No need to copy the source files. — Diego Martinoia
– Diego Martinoia, Commented Jul 28, 2015 at 14:49
of course that's under the condition that Tomcat's properly set up to provide whatever resources the application needs (database resource pools, etc.). — jwenting
– jwenting, Commented Jul 29, 2015 at 11:08

user3673734 · Accepted Answer · 2018-08-29 09:49:29Z

1

Download Tomcat8 from in /home/pi https://tomcat.apache.org/download-80.cgi#8.0.53
$ cd $HOME
$ tar xzf apache-tomcat-8.0.53.tar.gz
$ mv apache-tomcat-8.0.53 tomcat8
$ tar xzf tomcat8.tar.gz
$ cd $HOME/tomcat8/conf
$ sudo nano tomcat-users.xml add add
$ cd $HOME/tomcat8/bin
$ sh startup.sh
Open Browser http://localhost:8080/manager/html User Name: admin Password: admin
Choose .war file under WAR file to deploy section
Open Browser and run your application eg. http://localhost:8080/FirstJspProject/HelloWorld.jsp

answered Aug 29, 2018 at 9:49

user3673734

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Pranav Ji · Accepted Answer · 2018-02-25 16:31:17Z

Step 1 Follow the instructions from Digital Ocean and install tomcat.

Step 2 After installing in netbeans, Go to Run->Clean and build.
Step 3 Goto Project folder and find the projectname.war file in dist folder.
Step 4 Rename the war to ROOT.war.
Step 5 Assuming you have followed all the procedure as mentioned in digital 
ocean from step 1, goto http://localhost:8080/
Step 6. Click Manage App .
Step 7  At the bottom there will be a browse button under upload war. Click it
Step 8  After selecting ROOT.war . Click deploy.

There you go. Now enter http://ip_of_pi:8080 from any browser in local network to view your site.

Port forward it to access it globally. (optional).

P.S :- if you find error in the line curl -O in step 1 guide , replace the step by manually downloading tomcat.tar from Tomcat Official Site.Tomcat's Official Site to tmp folder.

Hope it helps someone

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