Installation guide

CHAPTER 7 New Features in EAServer Versions 4.1.3, 4.1.2, 4.1.1, and 4.1
What’s New 65
• When using J2EE standard archive formats such as an EJB-JAR file, an
application EAR file, or a Web application WAR file, you can define an
EAServer supplemental deployment descriptor to configure properties
that are required by EAServer but are not supported by the standard
deployment descriptor format. EAServer creates a supplemental
descriptor for any archive that you export from EAServer Manager.
For more information on these features, see Chapter 9, “Importing and
Exporting Application Components,” in the EAServer System Administration
Guide.
Web server redirector for Microsoft Internet Information Server
EAServer 4.1 adds support for integration with Web sites hosted by Microsoft
Internet Information Server (IIS) on Windows platforms. You can host static
content on IIS, and use the EAServer Redirector Plug-in for IIS to redirect
servlet and JSP requests to EAServer. In addition to IIS, plug-ins for several
other Web servers are available. For more information, see the EAServer
Installation Guide for Windows.
HTTP response caching enhancements
EAServer 4.1 adds support for caching of static content, and enhances the
servlet response caching abilities introduced in EAServer 4.0.
Static page caching can increase performance by caching static files in
memory. You can configure which files are cached and for how long on a per-
server basis. For more information, see Chapter 5, “Web Application Tuning,”
in the EAServer Performance and Tuning Guide.
In EAServer 4.1, the entire response from JSPs that use forward or include
commands is cached. Previously, you needed to configure caching separately
for the forwarded or included page. In version 4.1, you can enable the Cache
Entire Tree option for a Web component so that the response from all forwards
and includes is cached together with content generated by the Web component
itself. For more information on servlet response caching, see see Chapter 5,
“Web Application Tuning,” in the EAServer Performance and Tuning Guide.