Apache Tomcat® - Which Version Do I Want?

Apache Tomcat® is an open source software implementation of a subset of the Jakarta EE (formally Java EE) technologies. Different versions of Apache Tomcat are available for different versions of the specifications. The mapping between the specifications and the respective Apache Tomcat versions is: Servlet Spec JSP Spec EL Spec WebSocket Spec Authentication (JASPIC) Spec Apache Tomcat Version Latest Released Version Supported Java Versions 6.0 3.1 5.0 2.1 3.0 10.1.x 10.1.0-M14 (alpha) 11 and later 5.0 3.0 4.0 2.0 2.0 10.0.x 10.0.20 8 and later 4.0 2.3 3.0 1.1 1.1 9.0.x 9.0.62 8 and later 3.1 2.3 3.0 1.1 1.1 8.5.x 8.5.78 7 and later 3.1 2.3 3.0 1.1 N/A 8.0.x (superseded) 8.0.53 (superseded) 7 and later 3.0 2.2 2.2 1.1 N/A 7.0.x (archived) 7.0.109 (archived) 6 and later (7 and later for WebSocket) 2.5 2.1 2.1 N/A N/A 6.0.x (archived) 6.0.53 (archived) 5 and later 2.4 2.0 N/A N/A N/A 5.5.x (archived) 5.5.36 (archived) 1.4 and later 2.3 1.2 N/A N/A N/A 4.1.x (archived) 4.1.40 (archived) 1.3 and later 2.2 1.1 N/A N/A N/A 3.3.x (archived) 3.3.2 (archived) 1.1 and later