Fix for mobs walking during attack.

Increase forget attack time to 2min.
Fix wrong L2Effect sync.

L2_GameServer/java/com/l2jserver/gameserver/ai/L2AttackableAI.java

@@ -64,7 +64,7 @@ public class L2AttackableAI extends L2CharacterAI implements Runnable
 
 	private static final int RANDOM_WALK_RATE = 30; // confirmed
 	// private static final int MAX_DRIFT_RANGE = 300;
-	private static final int MAX_ATTACK_TIMEOUT = 300; // int ticks, i.e. 30 seconds
+	private static final int MAX_ATTACK_TIMEOUT = 1200; // int ticks, i.e. 2min
 
 	/** The L2Attackable AI task executed every 1s (call onEvtThink method)*/
 	private Future<?> _aiTask;
@@ -648,19 +648,6 @@ public class L2AttackableAI extends L2CharacterAI implements Runnable
 	 */
 	private void thinkAttack()
 	{
-		if (_attackTimeout < GameTimeController.getGameTicks())
-		{
-			// Check if the actor is running
-			if (_actor.isRunning())
-			{
-				// Set the actor movement type to walk and send Server->Client packet ChangeMoveType to all others L2PcInstance
-				_actor.setWalking();
-
-				// Calculate a new attack timeout
-				_attackTimeout = MAX_ATTACK_TIMEOUT + GameTimeController.getGameTicks();
-			}
-		}
-		
 		if (_actor.isCastingNow())
 			return;
 

L2_GameServer/java/com/l2jserver/gameserver/model/L2Effect.java

@@ -421,22 +421,17 @@ public abstract class L2Effect
 	 * <li>Stop and remove L2Effect from L2Character and update client magic icon </li><BR><BR>
 	 *
 	 */
-	public void stopEffectTask()
+	public synchronized void stopEffectTask()
 	{
 		if (_currentFuture != null)
 		{
-			synchronized (_currentFuture)
-			{
-				if (_currentFuture != null)
-				{
-					// Cancel the task
-					_currentFuture.cancel(false);
-					ThreadPoolManager.getInstance().removeEffect(_currentTask);
-				}
-			}
+			// Cancel the task
+			_currentFuture.cancel(false);
+			ThreadPoolManager.getInstance().removeEffect(_currentTask);
+			
 			_currentFuture = null;
-			_currentTask = null;			
-
+			_currentTask = null;
+			
 			if (getEffected() != null)
 				getEffected().removeEffect(this);
 		}