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# Hot Deployment in a CMP Application

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When you take advantage of hot deployment in a CMP application, consider the following:

- You must deploy all related beans (all beans that share a common TopLink project) within the same EJB JAR file. Because TopLink views deployment on a project level, deploy all the project beans (rather than just a portion of them) to maintain consistency across the project.

- When you redeploy a bean, you automatically reset its TopLink project. This flushes all object caches and rolls back any active object transactions associated with the project.