Introduction: Application servers



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An application server is a JVM that is running user applications. The application server collaborates with the Web server to return a dynamic, customized response to a client request. Application code, including...

...runs in an application server.

Conforming to the J2EE component architecture...

You can define multiple application servers, each running its own JVM.

Additional configuration options include...


Asynchronous messaging

The product supports asynchronous messaging based on the Java Message Service (JMS) of a JMS provider that conforms to the JMS specification version 1.1.

The JMS functions of the default message service in WAS are served by one or more messaging engines (in a service integration bus) that runs within application servers.

In a deployment manager cell, there can be WAS v5 nodes. If a v5 node is configured to use V5 default messaging (the v5 embedded messaging), there can be at most one JMS server on that node.


Generic Servers

A generic server is a server that is managed in the WebSphere administrative domain, although it is not a server that is supplied by the WAS product. The generic server can be any server or process that is necessary to support the Application Server environment.


See Also

Custom services


Related Tasks

Creating generic servers
Programming to use JMS and messaging directly
Administering application servers
Configuring transport chains
Tuning application servers
Manage Object Request Brokers




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