Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Administration Reference

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### Attributes

The following table describes attributes for the `manager-properties` element.

Table 1–99 `manager-properties` Attributes

Attribute | Default | Description
--- | --- | ---
`session-file-name` | none; state is not preserved across restarts | (optional) Specifies the absolute or relative path to the directory in which the session state is preserved between application restarts, if preserving the state is possible. A relative path is relative to the temporary directory for this web application. Applicable only if the `persistence-type` attribute of the web-container-availability element is `memory`.
`reap-interval-in-seconds` | `60` | (optional) Specifies the time between checks for expired sessions. If the `persistence-type` attribute of the web-container-availability element is `file` or `ha`, sessions are passivated if `max-sessions` has been exceeded. If the `persistence-frequency` attribute of the web-container-availability element is set to `time-based`, active sessions are stored at this interval. Set this value lower than the frequency at which session data changes. For example, this value should be as low as possible (`1` second) for a hit counter servlet on a frequently accessed web site, or you could lose the last few hits each time you restart the server.
`max-sessions` | `-1` | (optional) Specifies the maximum number of sessions that can be in cache, or `-1` for no limit. After this, an attempt to create a new session causes an `IllegalStateException` to be thrown.If the `persistence-type` attribute of the web-container-availability element is `file` or `ha`, the session manager passivates sessions to the persistent store when this maximum is reached.
`session-id-generator-classname` | internal class generator | (optional) Specifies the name of the class that generates session IDs.

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