// stripped version of the XDIME will be used for
// generating the cache key, and the non-stripped version
// will be processed).
RE stripXDIMERE = new RE(findSession);
String strippedXDIME =
stripXDIMERE.subst(xdimeString, SESSION_PLACEHOLDER);
sessionId = stripXDIMERE.getParen(1);
byte[] sessionIdBytes = null;
if (sessionId != null) {