Managing WebSphere Process Server failed events

The administrator can managed WebSphere Process Server failed events using the failed event manager available in the administrative console.

What is a failed event?

In the context of WebSphere® Process Server, an event is a request that is received by a WebSphere Process Server application. It can come from an external source (such as an inbound application adapter) or an external invocation to a web service. The event is comprised of a reference to the business logic it wants to operate and its data, stored in a Service Data Object (a business object). When an event is received, it is processed by the appropriate WebSphere Process Server application business logic.

A single thread of execution can branch off into multiple branches (or threads); the individual branches are linked to the main invoking event by the same session context.

If this business logic in one of these branches cannot execute completely due to system failure, component failure, or component unavailability, the event moves into the failed state. If multiple branches fail, a failed event is created for each. The WebSphere Process Server Recovery subsystem handles the following types of failed events: The Recovery subsystem collects these types of failed events and makes them available for administrative purposes through the failed event manager interface.
Failed events typically have source and destination information associated with them. The source and destination are based on the failure point (the location where the invocation fails), regardless of the type of interaction. Consider the following example, where Component A is asynchronously invoking Component B. The request message is sent from A to B, and the response message is sent from B to A. This is true for all asynchronous invocations. (The failed event manager does not handle failures from synchronous invocations.)

How are failed events managed?

An administrator uses the failed event manager available in the administrative console to browse and manage all WebSphere Process Server failed events. Failed events can be resubmitted or deleted from the system.

Common tasks for managing failed events include:

To access the failed event manager, click Integration Applications > Failed Event Manager.

Related concepts
Working with data in failed events
Resubmitting failed events
Related tasks
Finding failed events
Deleting failed events

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Last updated: Thu Apr 27 15:07:56 2006

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