NPEs fixed

redisson/src/main/java/org/redisson/command/CommandAsyncService.java

@@ -747,10 +747,12 @@ public class CommandAsyncService implements CommandAsyncExecutor {
             @Override
             public void run(Timeout timeout) throws Exception {
                 MasterSlaveEntry entry = connectionManager.getEntry(connection.getRedisClient());
+                if (entry != null) {
                     ClientConnectionsEntry ee = entry.getEntry(connection.getRedisClient());
                     if (ee != null && ee.getNodeType() == NodeType.SLAVE) {
                         ee.trySetupFistFail();
                     }
+                }
                 
                 details.getAttemptPromise().tryFailure(
                         new RedisTimeoutException("Redis server response timeout (" + timeoutAmount + " ms) occured for command: " + details.getCommand()
@@ -907,13 +909,15 @@ public class CommandAsyncService implements CommandAsyncExecutor {
             
             free(details.getParams());
             
-            if (!(future.cause() instanceof RedisTimeoutException)) {
+            if (!(future.cause() instanceof RedisTimeoutException) && details.getConnectionFuture().getNow() != null) {
                 MasterSlaveEntry entry = connectionManager.getEntry(details.getConnectionFuture().getNow().getRedisClient());
+                if (entry != null) {
                     ClientConnectionsEntry ee = entry.getEntry(details.getConnectionFuture().getNow().getRedisClient());
                     if (ee != null && ee.getNodeType() == NodeType.SLAVE) {
                         ee.resetFirstFail();
                     }
                 }
+            }
             
             if (future.isSuccess()) {
                 R res = future.getNow();