Red Hat NETSCAPE ENTERPRISE SERVER 6.0 - NSAPI PROGRAMMER GUIDE Bedienungsanleitung PDF herunterladen (Seite 56)

Specifying a Session Manager

56 iPlanet Web Server, Enterprise Edition Programmer’s Guide to Servlets • May 2001

iPlanet Web Server 6.0 comes with these session managers for creating and

managing sessions:

•

IWSSessionManager -- the default session manager, which can use a database

or a file store for persistent sessions, and can run in single-process or

multi-process mode.

•

MMapSessionManager (Unix Only) -- a session manager for running the

server in multi-process mode. Does not support distributed sessions.

•

SimpleSessionManager -- a deprecated simple session manager. Does not

support distributed sessions.

•

JdbcSessionManager -- a deprecated session manager that stores session

information in a database using the JDBC API and that supports distributed

sessions.

Multi-process mode is supported only on Unix platforms. All multi-process mode

features of session managers are ignored on Windows NT.

iPlanet Web Server 6.0 also allows you to develop your own session managers and

load them into the server. The source code files for session manager classes are

provided as a starting point for you to define your own session managers if

desired. These Java files are in the directory

server_root

/plugins/servlets/iws-apis/sessions.

Specifying a Session Manager

By default iPlanet Web Server uses IWSSessionManager as the session manager for

servlets. You can change the session manager in any of the following ways:

• Edit the file

web-apps.xml in the directory server_id/config.

Add a

session-manager element within the web-app element for the servlet or

JSP as in the following example:

<session-manager

class=’com.iplanet.server.http.session.YourSesMgr’

<init-param>

<param-name>maxSessions</param-name>

<param-value>1000</param-value>

</init-param>

<init-param>

<param-name>timeOut</param-name>

<param-value>1800</param-value>

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