Hi Thomas, You are probably looking for the stale-while-revalidate directive to be sent by the server to get asynchronous validation; stale-if-error just allows the cache to serve a stale data if it receives, e.g., a 503 response on the (synchronous) validation request.
Jon On Wed, Nov 2, 2011 at 7:58 PM, Thomas Van de Velde <[email protected]> wrote: > Hi, > > I am trying to make RFC5861-style background validation work in my client > and it does not seem to work. Did I miss something in the client code or > server headers (see below)? > > Thanks! > > Thomas > > > ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(); > cm.setMaxTotal(1000); > cm.setDefaultMaxPerRoute(100); > HttpClient httpClient = new DefaultHttpClient(cm); > CacheConfig cacheConfig = new CacheConfig(); > cacheConfig.setMaxObjectSizeBytes(1000000); > cacheConfig.setRevalidationQueueSize(1000); > cacheConfig.setAsynchronousWorkersCore(100); > cacheConfig.setAsynchronousWorkersMax(1000); > cacheConfig.setAsynchronousWorkerIdleLifetimeSecs(100); > cacheConfig.setSharedCache(true); > cachingClient = new CachingHttpClient(httpClient, > new EhcacheHttpCacheStorage(httpCache), > cacheConfig); > > HttpGet httpget = new HttpGet(uri); > > try { > HttpResponse response = cachingClient > .execute(httpget, localContext); > HttpEntity entity = response.getEntity(); > entity.getContent(); > > EntityUtils.consume(entity); > > } catch (Exception e) { > httpget.abort(); > } > > > > DEBUG: org.apache.http.wire - >> "GET /repository/details HTTP/1.1[\r][\n]" > DEBUG: org.apache.http.wire - >> "Via: 1.1 localhost > (Apache-HttpClient/4.1.2 (cache))[\r][\n]" > DEBUG: org.apache.http.wire - >> "If-None-Match: > "3-bc1a9339e9de45baefb04f8a66013365"[\r][\n]" > DEBUG: org.apache.http.wire - >> "Host: localhost[\r][\n]" > DEBUG: org.apache.http.wire - >> "Connection: Keep-Alive[\r][\n]" > DEBUG: org.apache.http.wire - >> "User-Agent: Apache-HttpClient/4.1.2 (java > 1.5)[\r][\n]" > DEBUG: org.apache.http.wire - >> "[\r][\n]" > DEBUG: org.apache.http.wire - << "HTTP/1.1 304 Not Modified[\r][\n]" > DEBUG: org.apache.http.wire - << "Date: Wed, 02 Nov 2011 23:53:15 > GMT[\r][\n]" > DEBUG: org.apache.http.wire - << "Connection: Keep-Alive[\r][\n]" > DEBUG: org.apache.http.wire - << "Keep-Alive: timeout=5, max=79[\r][\n]" > DEBUG: org.apache.http.wire - << "Etag: > "3-bc1a9339e9de45baefb04f8a66013365"[\r][\n]" > DEBUG: org.apache.http.wire - << "Cache-Control: public, > stale-if-error=43200[\r][\n]" > DEBUG: org.apache.http.wire - << "[\r][\n]" > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
