remove sync on l2pc requester, possible deadlock.

L2_GameServer/java/com/l2jserver/gameserver/model/actor/instance/L2PcInstance.java

@@ -6102,7 +6102,7 @@ public final class L2PcInstance extends L2Playable
 	/**
 	 * Set the L2PcInstance requester of a transaction (ex : FriendInvite, JoinAlly, JoinParty...).<BR><BR>
 	 */
-	public synchronized void setActiveRequester(L2PcInstance requester)
+	public void setActiveRequester(L2PcInstance requester)
 	{
 		_activeRequester = requester;
 	}
@@ -6110,11 +6110,12 @@ public final class L2PcInstance extends L2Playable
 	/**
 	 * Return the L2PcInstance requester of a transaction (ex : FriendInvite, JoinAlly, JoinParty...).<BR><BR>
 	 */
-	public synchronized L2PcInstance getActiveRequester()
+	public L2PcInstance getActiveRequester()
 	{
-		if (_activeRequester != null)
+		L2PcInstance requester = _activeRequester;
+		if (requester != null)
 		{
-			if (_activeRequester.isRequestExpired() && _activeTradeList == null)
+			if (requester.isRequestExpired() && _activeTradeList == null)
 				_activeRequester = null;
 		}
 		return _activeRequester;
@@ -11760,6 +11761,7 @@ public final class L2PcInstance extends L2Playable
 		{
 			// deals with sudden exit in the middle of transaction
 			setActiveRequester(null);
+			cancelActiveTrade();
 		}
 		
 		// If the L2PcInstance is a GM, remove it from the GM List

L2_GameServer/java/com/l2jserver/gameserver/network/clientpackets/RequestRestart.java

@@ -77,12 +77,6 @@ public final class RequestRestart extends L2GameClientPacket
 			return;
 		}
 		
-		if (player.getActiveRequester() != null)
-		{
-			player.getActiveRequester().onTradeCancel(player);
-			player.onTradeCancel(player.getActiveRequester());
-		}
-		
 		if (AttackStanceTaskManager.getInstance().getAttackStanceTask(player) && !(player.isGM() && Config.GM_RESTART_FIGHTING))
 		{
 			if (Config.DEBUG)