问题 I was using aspymemcached client to connect to my membase server. code look like : public static MemcachedClient MemcachedClient(String bucketName){ URI server1 = new URI("http://192.168.100.111:8091/pools"); URI server2 = new URI("http://127.0.0.1:8091/pools"); ArrayList<URI> serverList = new ArrayList<URI>(); serverList.add(server1); serverList.add(server2); return new MemcachedClient(serverList, bucketName, ""); } For putting object in cache : public static void makeMembaseCacheEntry(final