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| Tomcat version | Actual release revision|Minimum Java Version
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3.0/2.2 7.0.x 7.0.35 1.6
2.5/2.1 6.0.x 6.0.36 1.5
2.4/2.0 5.5.x (archived) 5.5.36 (archived) 1.4
2.3/1.2 4.1.x (archived) 4.1.40 (archived) 1.3
2.2/1.1 3.3.x (archived) 3.3.2 (archived) 1.1
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More details about each release can be found in the associated release notes.
Apache Tomcat 7.x
Apache Tomcat 7.x is the current focus of development. It builds upon the improvements made in Tomcat 6.0.x and implements the Servlet 3.0, JSP 2.2 and EL 2.2 specifications. In addition to that, it includes the following
improvements:
. Web application memory leak detection and prevention.
. Improved security for the Manager and Host Manager applications.
. Generic CSRF protection.
. Support for including external content directly in a web application.
. Refactoring (connectors, lifecycle) and lots of internal code clean-up.
