if (buffer == null || forceUpdate) {
// Collect all filters, servlets by a certain bundle order.
buffer = new ArrayList<ClonedExecutableServletObject<T>>();
for (Iterator<? extends AbstMultiInstUrlMapObject> it = multiInstObjs
.iterator(); it.hasNext();) {
AbstMultiInstUrlMapObject urlPatternMutiInsObject = it.next();
ClonedExecutableServletObject<AbstMultiInstUrlMapObject>[] clonedInstances = urlPatternMutiInsObject
.cloneInstances();
if (clonedInstances == null)
continue;
for (int i = 0; i < clonedInstances.length; i++) {
buffer