In order to use Tomcat 4 for developing web applications, you
must first install it (and the software it depends on). The
required steps are outlined in the following subsections. Tomcat
will operate under any Java Development Kit (JDK) environment
that provides a JDK 1.2 (also known as Java2 Standard Edition,
or J2SE) or later platform. You will need a Java Development
Kit, as opposed to a Java Runtime Environment, so that your
servlets, other classes, and JSP pages can be compiled. Tomcat 4
has been extensively tested with JDK 1.3.1, which Compatible
JDKs for many platforms (or links to where they can be found)
are available at Binary downloads of the Tomcat server are
available from This manual assumes you are using the most recent
release of Tomcat 4. Detailed instructions for downloading and
installing Tomcat 4 are available here. In the remainder of this
manual, example shell scripts assume that you have set an
environment variable CATALINA_HOME that contains the pathname to
the directory in which Tomca