Uses of Class java.rmi.activation.UnknownGroupException (Java Platform SE 8 )
Date: 2026-06-25

## Uses of Class
java.rmi.activation.UnknownGroupException

- Packages that use UnknownGroupException
  Package | Description
  --- | ---
  java.rmi.activation | Provides support for RMI Object Activation.

- - ### Uses of UnknownGroupException in java.rmi.activation

    Methods in java.rmi.activation that throw UnknownGroupException
    Modifier and Type | Method and Description
    --- | ---
    `ActivationMonitor` | ActivationSystem.`activeGroup(ActivationGroupID id, ActivationInstantiator group, long incarnation)` Callback to inform activation system that group is now active.
    `ActivationGroupDesc` | ActivationSystem.`getActivationGroupDesc(ActivationGroupID id)` Returns the activation group descriptor, for the group with the activation group identifier, `id`.
    `protected void` | ActivationGroup.`inactiveGroup()` This protected method is necessary for subclasses to make the `inactiveGroup` callback to the group's monitor.
    `void` | ActivationMonitor.`inactiveGroup(ActivationGroupID id, long incarnation)` Informs that the group is now inactive.
    `static Remote` | Activatable.`register(ActivationDesc desc)` Register an object descriptor for an activatable remote object so that is can be activated on demand.
    `ActivationID` | ActivationSystem.`registerObject(ActivationDesc desc)` The `registerObject` method is used to register an activation descriptor, `desc`, and obtain an activation identifier for a activatable remote object.
    `ActivationDesc` | ActivationSystem.`setActivationDesc(ActivationID id, ActivationDesc desc)` Set the activation descriptor, `desc` for the object with the activation identifier, `id`.
    `ActivationGroupDesc` | ActivationSystem.`setActivationGroupDesc(ActivationGroupID id, ActivationGroupDesc desc)` Set the activation group descriptor, `desc` for the object with the activation group identifier, `id`.
    `void` | ActivationSystem.`unregisterGroup(ActivationGroupID id)` Remove the activation group.

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