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Oracle SOA Suite 11g Administrator's Handbook by Arun Pareek, Ahmed Aboulnaga

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Configuring and administering BPEL Service Engine and components

The Oracle BPEL Service Engine is a container providing standards for assembling, developing, and executing synchronous, as well as asynchronous, services into end-to-end business processes in the SOA Infrastructure. When the soa-infra application is started, it initializes the BPEL engine in a stateless manner and loads composites from the MDS repository. If the composite contains any BPEL components, it targets them to the BPEL engine. At runtime, the BPEL engine waits for requests from different channels, such as messaging sources, databases, and web services. It uses a Dispatcher Module that maintains an in-memory logical queue containing units of work to process incoming messages ...

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