Java Servlets 2.3 and JavaServer Pages 1.2 specifications
HTTP extensions for the WebDAV protocol in compliance with RFC 2518 are supported.
NSAPI filters that enable the custom processing of HTTP request
and response streams are supported.
HTTP compression through the
use of native HTTP request and response stream filters is supported.
servlets, that is servlets configured through the servlets.properties, contexts.properties, and rules.properties files
are not supported.
For information about migrating legacy servlets
to web applications, see the Sun Java System Web Server 7.0 Developer's Guide
to Web Applications.Sun
Java System Web Server 7.0 Update 4 Developer’s Guide to Java Web Applications.