How to Run a WAR File (Tomcat, Jetty or java -jar)

A WAR (Web Application Archive) runs inside a servlet container. Deploy it to Tomcat or Jetty, or start an executable WAR with java -jar. Commands for every OS.

Step 1: Check What Kind of WAR You Have

Step 2: Run an Executable WAR with java -jar

Step 3: Deploy to Apache Tomcat

Step 4: Deploy to Jetty or Another Server

When It Doesn't Start

FAQ

Summary