1.0 1.1 cache http://jakarta.apache.org/commons/cache/tagext cache org.apache.commons.cache.tagext.CacheTag JSP key true true name false true expiresAt false true ttl false true lastModified false true mustRevalidate false true group false true clear-cache org.apache.commons.cache.tagext.ClearCacheTag empty name false true key false true group false true