This feature enables local caching for web responses. It includes the distributedMap feature and performs automatic caching of web application responses to improve response times and throughput. Applications can include a cache-spec.xml file to customize the response caching. The cache may be distributed through addition of a network cache provider such as WebSphere eXtreme Scale.
To enable the Web Response Cache feature, add the following element declaration inside the featureManager element in your server.xml file:
<feature>webCache-1.0</feature>
If you are developing a feature that depends on the Web Response Cache feature, include the following item in the Subsystem-Content header in the feature manifest file for your new feature:
com.ibm.websphere.appserver.webCache-1.0; type="osgi.subsystem.feature"