In BBj 18.20 and higher, this method sets the extensions that are associated with BBJSP Pages and will be processed by the page processor.
For example, this can be useful to allow an
existing site based on
.html files to be processed as a BBJSP Page, removing the need to rename
the existing files and to relink everything. Existing
pages could then be enhancement by BBJSP
A comma-separated list of extensions or null to disable the command engine.
The extensions used to map requests arriving in Jetty to the BBJSP Page generation engine for processing the request.