request.setAttribute(Globals.JSP_FILE_ATTR, jspFile);
else
request.removeAttribute(Globals.JSP_FILE_ATTR);
request.setAttribute(Globals.INVOKED_ATTR,
request.getServletPath());
instance.service(wrequest, response);
} catch (UnavailableException e) {
context.removeServletMapping(pattern);
throw e;
} finally {
request.removeAttribute(Globals.INVOKED_ATTR);