Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Developer's Guide

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### Dynamic Deployment

You can deploy, redeploy, and undeploy an application or module without restarting the server. This is called dynamic deployment. This feature is available only on the default server instance.

Although primarily for developers, dynamic deployment can be used in operational environments to bring new applications and modules online without requiring a server restart. Whenever a redeployment is done, the sessions at that transit time become invalid. The client must restart the session.

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