这是里面提示带警告的信息， 有什么问题吗？
23:40:12 [警告] [BackupPlugin] Disabled MapperUnit, mapper_path invalid: mcmap\mcmap.exe23:40:12 [信息] [xAuth] Enabling xAuth v2.0.923:40:15 [信息] [xAuth] Successfully established connection to H2 database23:40:15 [信息] [xAuth] v2.0.9 Enabled!23:40:15 [信息] [Permissions] Enabling Permissions v3.1.623:40:15 [信息] Fake Permissions version 3.1.6 is enabled!23:40:15 [信息] [Lockette] Ignoring fake Permissions plugin version 3.1.623:40:15 [信息] [Essentials] Enabling Essentials v2.9.123:40:15 [信息] Essentials: Using GroupManager based permissions.23:40:15 [信息] [EssentialsChat] Enabling EssentialsChat v2.9.123:40:15 [信息] [EssentialsProtect] Enabling EssentialsProtect v2.9.123:40:15 [信息] Initializing c3p0-0.9.1.2 [built 21-May-2007 15:04:56; debug? true; trace: 10]23:40:16 [信息] [EssentialsSpawn] Enabling EssentialsSpawn v2.9.123:40:16 [信息] Server permissions file permissions.yml is empty, ignoring it23:40:16 [信息] Done (6.098s)! For help, type "help" or "?"23:40:16 [信息] GroupManager - INFO - Bukkit Permissions Updated!23:41:20 [信息] killpet [/183.204.240.154:15610] logged in with entity id 334 at ([world] -47.5, 66.0, 503.5)23:41:43 [信息] [xAuth] killpet has logged in23:43:07 [信息] Connection reset23:43:07 [信息] /1.193.230.138:34542 lost connection23:43:51 [信息] Connection reset

是不是online-mode的问题？
23:40:09 [警告] **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!23:40:09 [警告] The server will make no attempt to authenticate usernames. Beware.23:40:09 [警告] While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.23:40:09 [警告] To change this, set "online-mode" to "true" in the server.properties file.

可能是网络问题……

同寝室不同外网IP的测试没问题，加拿大的测试也没问题,就是别的地方的有问题……

回复5楼:会不会你是电信别人是网通这种情况……

我这是铁通，国内测试的那个
1.193.230.138是电信，难道电信跟铁通不能互通吗？ 那为什么国外都能连上（ps：防火墙都关了），求解

回复7楼:跪下了。。果然。电信和网通不能互联，延迟很大。连接丢失经常的。

搜噶，还是国外的网络好啊连国内任意isp无压力

回复9楼:不同isp的只能挂加速器之类的……不然卡爆掉线……