public InternalCacheEntry retrieveFromRemoteSource(Object key, InvocationContext ctx) throws Exception {
ClusteredGetCommand get = cf.buildClusteredGetCommand(key, ctx.getFlags());
List<Address> targets = locate(key);
targets.remove(getSelf());
ResponseFilter filter = new ClusteredGetResponseValidityFilter(targets);
Map<Address, Response> responses = rpcManager.invokeRemotely(targets, get, ResponseMode.SYNCHRONOUS,
configuration.getSyncReplTimeout(), false, filter);
if (!responses.isEmpty()) {
for (Response r : responses.values()) {