NonStop Servlets for JavaServer Pages (5.0) System Administrator's Guide

Configuring NSJSP

NonStop Servlets for JavaServer Pages (NSJSP) System Administrator’s Guide—525644-002

3-13

jdbc.config

Initializing Servlets

You can initialize servlets in either of the two versions of the web.xml file.

If portability is a requirement, you may prefer to put the initialization within the

application version of web.xml which is the deployment descriptor location used when

packing or unpacking web application archive (WAR) files.

The <init-param> element contains a name/value pair as the initialization parameter

of the servlet, as shown in Example 3-9.

As noted previously, the servlet name is an alias of the servlet class name. The alias

allows you to change the name of the servlet class without having to make changes to

URL references in the servlet in the application. If you do not need this feature, use the

same name in both places.

jdbc.config

The jdbc.config file contains JDBC specific configuration including the locations of

the JDBC/MX and JDBC/MP installations. The JDBC/MX and JDBC/MP installations

used are either the default values or then what was specified when the setup script

was run. Based on the existence of the JDBC/MX and JDBC/MP jar files

(jdbcMx.jar and sqlmp.jar), the classpath is also setup to contain the jar files.

filemaps.config

For each new application (a collection of related servlets, JSP and other resources)

you may need to add a corresponding filemap in the filemaps.config file.

For example, a new application called orders could be accessed while the default path

is /servlet_jsp/orders or by adding the following filemap.

Filemap /orders $server_objectcode

Example 3-9. Initializing Servlets

<servlet-name>your alias servlet name</servlet-name>

<servlet-class>your servlet class name</servlet-class>

<init-param>

<param-name>name1</param-name>

<param-value>value1</param-value>

<param-name>name2</param-name>

<param-value>value2</param-value>

</init-param>

</servlet>

<servlet-mapping>

<servlet-name>your alias servlet name</servlet-name>

<url-pattern>your URL pattern map</url-pattern>

</servlet-mapping>