Red Hat NETSCAPE ENTERPRISE SERVER 6.0 - NSAPI PROGRAMMER GUIDE Manuel d'utilisateur télécharger pdf (Page 64)

MMapSessionManager (Unix Only)

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

You can also specify parameters for the session manager in the Session

Manager Args field, for example:

maxSessions=20,maxValueSize=1024,timeOut=300

• Edit the file servlets.properties in the directory server_id/config. This will

apply to the default virtual server only.

Add a line specifying a value for

servlets.sessionmgr and a line specifying

the parameters for the session manager:

servlets.sessionmgr=com.iplanet.server.http.session.MMapSessionManager

servlets.sessionmgr.initArgs=maxSessions=20,maxValueSize=1024,timeOut=300

• Edit the file contexts.properties in the directory server_id/config. This will

apply to the default virtual server only.

Add a line specifying a value for

context.context_name.sessionmgr and a

line specifying the parameters for the session manager:

context.global.sessionmgr=com.iplanet.server.http.session.MMapSessionManager

context.global.sessionmgr.initArgs=maxSessions=20,maxValueSize=1024,timeOut=300

You can change the global context or define a new context and assign specific

servlets to it. For more information, see Chapter 8, “Legacy Servlet and JSP

Configuration.”

This session manager can only store objects that implement

java.io.Serializable.

Deleting SessionData Version Files

If the server uses the MMapSessionManager session manager, it stores persistent

session information in the

SessionData directory. This cache has a Version file

containing a version number that the server uses to determine the structure of the

directories and files in the caches. You can clean out the caches by simply deleting

the version file.

When the server starts up, if it does not find the version file, it deletes the directory

structures for the corresponding caches and re-creates the version file. The next

time the server serves a servlet while using

MMapSessionManager session manager,

it recreates the session data cache.

You can delete the version file simply by deleting it from the

SessionData

directory as you would normally delete a file, or you can use the Java>Delete

Version Files page in the Server Manager to delete it. After deleting the version file,

be sure to restart the iPlanet Web Server to force it to clean up the appropriate

caches and to recreate the version file before the server serves any servlets.

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Red Hat NETSCAPE ENTERPRISE SERVER 6.0 - NSAPI PROGRAMMER GUIDE Manuel d'utilisateur Page 64