delete unused field.
@@ -56,7 +56,6 @@ import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.ReentrantLock;
/**
* HTTP long polling, which blocks the client's request thread
@@ -77,8 +76,6 @@ public class HttpLongPollingDataChangedListener extends AbstractDataChangedListe
private static final String X_FORWARDED_FOR_SPLIT_SYMBOL = ",";
- private static final ReentrantLock LOCK = new ReentrantLock();
-
/**
* Blocked client.
*/
