Apache Tomcat Versions
Apache Tomcat™ is an open source software implementation of the Java Servlet and JavaServer Pages technologies. Different versions of Apache Tomcat are available for different versions of the Servlet and JSP specifications. The mapping between the specifications and the respective Apache Tomcat versions is:
| Servlet Spec | JSP Spec | EL Spec | WebSocket Spec | Apache Tomcat version | Actual release revision | Support Java Versions |
|---|---|---|---|---|---|---|
| 4.0 | TBD (2.4?) | TBD (3.1?) | TBD (1.2?) | 9.0.x | None | 8 and later |
| 3.1 | 2.3 | 3.0 | 1.1 | 8.0.x | 8.0.20 | 7 and later |
| 3.0 | 2.2 | 2.2 | 1.1 | 7.0.x | 7.0.59 | 6 and later (WebSocket 1.1 requires 7 or later) |
| 2.5 | 2.1 | 2.1 | N/A | 6.0.x | 6.0.43 | 5 and later |
| 2.4 | 2.0 | N/A | N/A | 5.5.x (archived) | 5.5.36 (archived) | 1.4 and later |
| 2.3 | 1.2 | N/A | N/A | 4.1.x (archived) | 4.1.40 (archived) | 1.3 and later |
| 2.2 | 1.1 | N/A | N/A | 3.3.x (archived) | 3.3.2 (archived) | 1.1 and later |