Web Application Specifications
Overview
This section provides a list of API specifications which are implemented by Apache Tomcat.
The specifications are developed and maintained by the Java Community Process (JCP). The members of the JCP are coming from software industry, other organizations like the Apache Software Foundation (ASF), educational institutions but include also individual (personal) members.
Each specifications starts its life as a so-called Java Specification Request JSR. The JSRs are also known by the unique number they receive once the specification process starts. On the web site of the JCP you can find an overview page for each spec, and a separate download page. The download page lists various stages of each spec reflecting the development process of JCP specs. Examples are "Early Draft Review", "Public Final Draft" and "Final Release". You would like to make sure that you always access the latest documents.
Different Tomcat versions implement different versions of the specifications (see main site, wiki).
Java Servlet Specifications
Servlet 3.1 specification is JSR 340.
Servlet 3.0 specification is JSR 315.
Servlet 2.5 is a maintenance release of Servlet 2.4. Both are JSR 154.
Spec versions: |
Servlet 2.4 |
Servlet 2.5 |
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Main page: |
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Stable: |
Final Release |
Maintenance Release |
Maintenance Release 2 |
Date: |
24 Nov, 2003 |
11 May, 2006 |
11 Sep, 2007 |
Download Page: |
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Online Javadoc: |
Spec versions: |
Servlet 3.0 |
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Main page: |
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Stable: |
Final Release |
Maintenance Release (Version 3.0 Rev a) |
Date: |
10 Dec, 2009 |
6 Feb, 2011 |
Download Page: |
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Online Javadoc: |
Spec versions: |
Servlet 3.1 |
Main page: |
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Stable: |
Work in progress |
Date: |
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Download Page: |
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Online Javadoc: |
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JavaServer Pages and Expression Language Specifications
JSP 2.2 is a maintenance release of JSP 2.1. Both are part of JSR 245.
JSP 2.0 is JSR 152.
Expression Language was covered by JSP 2.0 and JSP 2.1 specifications, but became a separate document starting with JSP 2.2.
Spec versions: |
JSP 2.0 |
Main page: |
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Stable: |
Final Release |
Date: |
24 November, 2003 |
Download Page: |
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Online Javadoc: |
Spec versions: |
JSP 2.1 |
JSP 2.2, EL 2.2 |
Main page: |
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Stable: |
Final Release |
Maintenance Release |
Date: |
11 May, 2006 |
10 Dec, 2009 |
Download Page: |
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Online Javadoc: |
See Also
Protocol Specifications
The following are specifications for the web protocols supported by Tomcat.
HTTP
HTTP 0.9 |
The Original HTTP as defined in 1991 at W3.org |
HTTP/1.0 |
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HTTP/1.1 |
Related Specifications
"HTTP Authentication: Basic and Digest Access Authentication" |
AJP
The AJP protocol specification lives on the Apache Tomcat Connector web site.
AJP/1.3 |
SPDY
TBD
draft-mbelshe-httpbis-spdy-00 (Draft 3), Expires: August 4, 2012
List of protocol specifications, at dev.chromium.org
WebSocket
WebSocket protocol is specified by RFC 6455.