WebSphere WebSphere Application Server Express, Version 6.0.x Operating Systems: AIX, HP-UX, Linux, Solaris, Windows

Endpoint listeners and inbound ports - entry points to the service integration bus

An endpoint listener is a Web service-enabled entry point to one or more service integration buses. An endpoint listener carries requests and responses between Web service clients and buses.

An endpoint listener is the point (address) at which messages for an inbound service are received. The endpoint listeners that are supplied with WebSphere Application Server support SOAP over HTTP and SOAP over JMS bindings.

A request arrives at an endpoint listener. It is then passed to an inbound port (at which point security and JAX-RPC handler lists can be applied) and sent on to the service destination. Responses follow the same path in reverse.

The endpoint listener acts as the ultimate receiver of a SOAP message. The resulting messages that pass across the service integration bus are not then SOAP messages, rather just the data and context that resulted from receiving the SOAP message.

To use an endpoint listener:
  1. Install the endpoint listener application in WebSphere Application Server.
  2. Configure the endpoint listener for an application server and (as part of the configuration) connect the endpoint listener to one or more available service integration buses.
  3. On a service integration bus for which you have configured the endpoint listener:
    1. Configure an inbound service and (as part of the configuration) connect the service to an endpoint listener.
    2. An inbound port is automatically created for each endpoint listener that you select.
Two versions of each type of endpoint listener are supplied. This is so that, for each endpoint listener type, you can set up separate endpoint listeners for (for example) requests from your internal users and requests from your external users. Each endpoint listener is associated with a specific server, a specific set of service integration buses and (through inbound ports) a specific set of Web services. By restricting access to an endpoint listener, you can give different user groups access to different services. For example:
Related tasks
Working with endpoint listeners

Concept topic

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Last updated: 2 Aug 2005
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