Method and apparatus for cache coordination for multiple address spaces

1. Technical Field A method and apparatus in a data processing system for coordinating caches for a plurality of web application server address spaces. These address spaces may be, for example, located in a Java virtual machine. A request for a page is received at a web application server address space within the plurality of web application server address spaces. Responsive to an absence of information for the page being located in a cache within the web application server address space, a request is sent to a coordinating address space for the information. Responsive to an absence of the information being located in the coordinating address space, a storage device associated with the data processing system is accessed for the information. This information is returned to the coordinating address space for use in processing requests for this information from other web application server address spaces within the plurality of web application server address spaces.