Red Hat NETSCAPE ENTERPRISE SERVER 6.0 - NSAPI PROGRAMMER GUIDE Bedienungsanleitung PDF herunterladen (Seite 59)

IWSSessionManager

Chapter 6 Session Managers 59

• maxLocks - the number of cross-process locks to use for synchronizing access

to individual sessions across processes. The default value is 10. This default

value is used if the value 0 is specified. This parameter is ignored in

single-process mode.

•

session-data-store - the name of the class that determines the means of

session persistence. The classes supplied with iPlanet Web Server are:

❍ com.iplanet.server.http.session.JdbcStore

❍ com.iplanet.server.http.session.FileStore

If you do not specify the

session-data-store parameter, sessions are not

persistent in single-process mode, and

FileStore is the default in

multi-process mode.

The

JdbcStore and FileStore classes are subclasses of the

SessionDataStore class. You can create your own class that implements

session persistence by extending

SessionDataStore.

If the

session-data-store parameter is set to the JdbcStore or FileStore class,

IWSSessionManager takes the following additional parameter:

•

session-failover-enabled - specifies whether sessions are reloaded from

the persistent store for every request, and always forced to true in

multi-process mode.

If the

session-data-store parameter is set to the FileStore class,

IWSSessionManager takes the following additional parameter:

•

session-data-dir - the directory in which session data for all servers and

web applications is kept.

If the

session-data-dir parameter is not specified, the following directory is

used by default:

server_root

/server_id/SessionData/virtual_server_id/web_app_URI

If the

session-data-store parameter is set to the JdbcStore class,

IWSSessionManager takes the following additional parameters:

NOTE Prior to using

JdbcStore, you must create the table in which the

session information is stored. The name of the table is specified by

the

table parameter, and the table’s four columns are specified by

the

accessTimeColumn, timeOutColumn, sessionIdColumn, and

valueColumn parameters.

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