log.debug("filteredSource " + filteredSource);
final XContentBuilder sourceToBeReturned = XContentFactory
.contentBuilder(mapTuple.v1()).map(filteredSource);
final EditableRestRequest err = new EditableRestRequest(request);
err.setContent(sourceToBeReturned.bytes());
filterChain.continueProcessing(err, channel);
return;
} catch (final Exception e) {