Installing Spring web application as a service in Ubuntu 16.04

Background

For the past many years, Java-based web services were deployed as war files in a web-server container such as Tomcat

Spring turned this approach around and it packages the web server inside the generated jar file — this jar can be run from the command-line using:

However, this is not recommended in a production server

So we will install our spring projects as a systemd managed process

(It is assumed user is in root mode, otherwise append sudo to all commands below)

Ubuntu 16.04 uses systemd service manager — this can be confirmed by running:

So let’s go ahead and make a systemd configuration file. Let’s assume the project is called “myspringproject” and the spring jar file is located in /home/ubuntu/myspringproject/latest/myspringproject-1.0.0.RELEASE.jar

Create a file /etc/systemd/system/myspringproject.service and add the following contents:

Next, add the following to ensure the service starts on boot

Start the service

Tip: If the service is not running, confirm using:

And check detailed errors using:

In case journalctl reports an error in the service description file (myspringproject.service), change it, and reload systemctl daemon before restarting service

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