Char server keeps disconnecting from Map server

windston · March 21, 2013

Every once in a while the char server will disconnect from the map server and just constantly keep trying to reconnect. During this time players who are already in game can still play but no one can log in and in game players cant get back to the char select screen. The only way I have found to fix it, is to restart the server.

Does anyone know what is causing this? I really need to fix this.

Rizan · January 7, 2019

how to solve this problem?

windston · April 4, 2013

Here is a screenshot of what is happening

Does anyone know why this is happening?

mrlongshen · April 4, 2013

update to latest svn

KaitoKid · April 4, 2013

What is the error with your char-server?
I cannot determine the problem.

windston · April 4, 2013

update to latest svn

I updated to r17227 a few days ago and the problem still exists, if I update to r17229 will it fix the problem because the previous update didnt help.

What is the error with your char-server?

I cannot determine the problem.

That's the thing Im not sure what the error is, that is all that appears in the Map server when it happens. And players cannot access the char select screen when it is happening, it will eventually fix itself by reconnecting but takes 5-10mins sometimes.

windston · April 12, 2013

Bump - Does anyone know what is causing this?

Fresh prince · May 10, 2013

Same here it disconnects evry 30 minutes and reconnects.

Marks · May 10, 2013

I feel the same http://rathena.org/board/topic/82661-problem-to-char-map/

Hideki · May 10, 2013

Hi I have the same problem o,o

sanguiman · May 10, 2013

Hi!!

I have the same problem T___T...

Any solution?

Skorm · May 10, 2013

Same here my server is configured correctly EVERYTHING working perfectly not a single error and now this! What is going on!?

Edit:

My server has been working flawlessly for the past few months.

If this helps at all this is what happends when I try to login.

Terminal Log

Looks good, a nice Athena!
Now Started Athena.
-bash-4.2# [status]: Memory manager initialised: log/login-server_sql.leaks

                   rAthena Development Team presents
                      ___   __ __
                _____/   | / /_/ /_ ___ ____ ____ _
               / ___/ /| |/ __/ __ \/ _ \/ __ \/ __ `/
              / / / ___ / /_/ / / / __/ / / / /_/ /
             /_/ /_/ |_\__/_/ /_/\___/_/ /_/\__,_/

                     http://rathena.org/board/

[info]: SVN Revision: 'Unknown'.
[Warning]: You are running rAthena with root privileges, it is not necessary.
[status]: Memory manager initialised: log/char-server_sql.leaks

                   rAthena Development Team presents
                      ___   __ __
                _____/   | / /_/ /_ ___ ____ ____ _
               / ___/ /| |/ __/ __ \/ _ \/ __ \/ __ `/
              / / / ___ / /_/ / / / __/ / / / /_/ /
             /_/ /_/ |_\__/_/ /_/\___/_/ /_/\__,_/

                     http://rathena.org/board/

[info]: SVN Revision: 'Unknown'.
[Warning]: You are running rAthena with root privileges, it is not necessary.
[info]: Server supports up to '1024' concurrent connections.
[info]: Finished reading conf/import/inter_conf.txt.
[info]: Finished reading conf/inter_athena.conf.
[info]: Finished reading conf/import/login_conf.txt.
[info]: Finished reading conf/login_athena.conf.
[status]: Memory manager initialised: log/map-server_sql.leaks

                   rAthena Development Team presents
                      ___   __ __
                _____/   | / /_/ /_ ___ ____ ____ _
               / ___/ /| |/ __/ __ \/ _ \/ __ \/ __ `/
              / / / ___ / /_/ / / / __/ / / / /_/ /
             /_/ /_/ |_\__/_/ /_/\___/_/ /_/\__,_/

                     http://rathena.org/board/

[info]: Server supports up to '1024' concurrent connections.
[info]: SVN Revision: 'Unknown'.
[Warning]: You are running rAthena with root privileges, it is not necessary.
[status]: Login server IP address : 127.0.0.1 -> 127.0.0.1
[status]: Character server IP address : ***.***.***.*** -> ***.***.***.***
[info]: Server supports up to '1024' concurrent connections.
[info]: Done reading conf/import/char_conf.txt.
[info]: Done reading conf/char_athena.conf.
[info]: Done reading conf/import/inter_conf.txt.
[info]: Done reading conf/inter_athena.conf.
[info]: Done reading conf/import/inter_conf.txt.
[info]: Done reading conf/inter_athena.conf.
[info]: Connect Character DB server.... (Character Server)
[info]: Char Server IP Address : '127.0.0.1' -> '127.0.0.1'.
[info]: Map Server IP Address : '***.***.***.***' -> '***.***.***.***'.
[status]: Done reading '49' entries in 'db/re//exp_guild.txt'.
[status]: The login-server is ready (Server is listening on the port 6900).

[status]: Using SQL dbs: yes
[info]: Logging item transactions to table 'picklog'.
[info]: Logging commands to table 'atcommandlog'.
[info]: Connecting to the Map DB Server....
[status]: connect success! (Map Server Connection)
[info]:

: Connecting to the Log Database macho****_logs At ***.***.***.***...
[status]: [sql]: Successfully 'connected' to Database 'macho****_logs'.
[status]: Loading maps (using db/re/map_cache.dat as map cache)...
[status]: Finished Reading GeoIP Database.
[status]: Characters per Account: '9'.
[status]: The char-server is ready (Server is listening on the port 6121).

[info]: connect_check_clear: Cleared 0 of 0 from IP list.
[info]: connect_check_clear: Cleared 0 of 0 from IP list.
[info]: Attempt to connect to login-server...
[status]: Connecting to 127.0.0.1:6900
[info]: connect_check: Connection from 127.0.0.1 allowed.
[info]: Connection request of the char-server 'RO' @ ***.***.***.***:6121 (account: 'root', pass: 'password', ip: '127.0.0.1')
[Notice]: Authentication accepted (account: root, id: 1, ip: 127.0.0.1)
[status]: Connection of the char-server 'RO' accepted.
[status]: Connected to login-server (connection #5).
[status]: Awaiting maps from map-server.
[info]: Successfully loaded '1384' maps.
[status]: Done reading '60' command aliases in 'conf/atcommand_athena.conf'.
[status]: Done reading packet database from 'packet_db.txt'. Using default packet version: 30.
[status]: Done reading '6943' entries in 'item_db_re'.
[status]: Done reading '1025' entries in 'item_db2'.
[status]: Done reading '190' entries in 'item_combo_db'.
[status]: Done reading 'item_group_db.txt'.
[status]: Done reading '1' entries in 'db/item_avail.txt'.
[status]: Done reading '30' entries in 'db/re/item_noequip.txt'.
[status]: Done reading '1729' entries in 'db/re/item_trade.txt'.
[status]: Done reading '10' entries in 'db/item_delay.txt'.
[status]: Done reading '10' entries in 'db/item_stack.txt'.
[status]: Done reading '1057' entries in 'db/re/item_buyingstore.txt'.
[status]: Done reading '1049' entries in 'db/re/skill_db.txt'.
[status]: Done reading '818' entries in 'db/re/skill_require_db.txt'.
[status]: Done reading '765' entries in 'db/re/skill_cast_db.txt'.
[status]: Done reading '38' entries in 'db/re/skill_castnodex_db.txt'.
[status]: Done reading '139' entries in 'db/re/skill_unit_db.txt'.
[status]: Done reading '122' entries in 'db/re/skill_nocast_db.txt'.
[status]: Done reading '263' entries in 'db/produce_db.txt'.
[status]: Done reading '136' entries in 'db/create_arrow_db.txt'.
[status]: Done reading '205' entries in 'db/abra_db.txt'.
[status]: Done reading '17' entries in 'db/spellbook_db.txt'.
[status]: Done reading '23' entries in 'db/magicmushroom_db.txt'.
[status]: Done reading '133' entries in 'db/skill_reproduce_db.txt'.
[status]: Done reading '25' entries in 'db/skill_improvise_db.txt'.
[status]: Done reading '75' entries in 'db/skill_changematerial_db.txt'.
[status]: Done reading '0' entries in 'db/mob_item_ratio.txt'.
[status]: Done reading 'mob_chat_db.txt'.
[status]: Done reading '1298' entries in 'mob_db'.
[status]: Done reading '385' entries in 'mob_db2'.
[Error]: mob_parse_row_mobskilldb: Too many skills for monster 2232[G_GERTIE]
[status]: Done reading '7398' entries in 'mob_skill_db'.
[status]: Done reading '291' entries in 'mob_skill_db2'.
[status]: Done reading '211' entries in 'db/mob_avail.txt'.
[status]: Done reading 're/mob_branch.txt'.
[status]: Done reading 're/mob_poring.txt'.
[status]: Done reading 're/mob_boss.txt'.
[status]: Done reading 'mob_pouch.txt'.
[status]: Done reading 'mob_classchange.txt'.
[status]: Done reading '6' entries in 'db/re/mob_race2_db.txt'.
[status]: Done reading 'exp.txt'.
[status]: Done reading '5324' entries in 'db/re/skill_tree.txt'.
[status]: Done reading '35' entries in 'db/re/level_penalty.txt'.
[status]: Done reading 'attr_fix.txt'.
[status]: Done reading 'statpoint.txt'.
[status]: Done reading '1' entries in 'conf/motd.txt'.
[status]: Done reading '7' groups in 'conf/groups.conf'.
[status]: Done reading '133' entries in 'db/re/job_db1.txt'.
[status]: Done reading '132' entries in 'db/job_db2.txt'.
[status]: Done reading '3' entries in 'db/size_fix.txt'.
[status]: Done reading '5' entries in 'db/re/refine_db.txt'.
[status]: Done reading '34' entries in 'db/castle_db.txt'.
[status]: Done reading '15' entries in 'db/guild_skill_tree.txt'.
[status]: Done reading '58' pets in 'pet_db.txt'.
[status]: Done reading '0' pets in 'pet_db2.txt'.
[status]: Done reading '13' entries in 'db/homunculus_db.txt'.
[status]: Done reading '150' levels in 're/exp_homun.txt'.
[status]: Done reading '82' entries in 'db/homun_skill_tree.txt'.
[status]: Done reading '44' entries in 'db/mercenary_db.txt'.
[status]: Done reading '118' entries in 'db/mercenary_skill_db.txt'.
[status]: Done reading '12' elementals in 'db/elemental_db.txt'.
[status]: Done reading '36' entries in 'db/elemental_skill_db.txt'.
[status]: Done reading '2126' entries in 'quest_db.txt'.
[info]: Done loading '13540' NPCs:
        -'3175' Warps
        -'211' Shops
        -'10154' Scripts
        -'3068' Spawn sets
        -'45753' Mobs Cached
        -'0' Mobs Not Cached
[status]: Event 'OnInit' executed with '1605' NPCs.
[status]: Server is 'ready' and listening on port '5121'.

[info]: connect_check_clear: Cleared 0 of 0 from IP list.
[status]: Attempting to connect to Char Server. Please wait.
[status]: Connecting to 127.0.0.1:6121
[info]: connect_check: Connection from 127.0.0.1 allowed.
[status]: Logging in to char server...
[status]: Successfully logged on to Char Server (Connection: '6').
[status]: Sending maps to char server...
[status]: Event 'OnInterIfInit' executed with '0' NPCs.
[status]: Event 'OnInterIfInitOnce' executed with '0' NPCs.
[status]: Requested '34' guild castles from char-server...
[status]: Map-Server 0 connected: 1384 maps, from IP ***.***.***.*** port 5121.
[status]: Map-server 0 loading complete.
[status]: Map Server is now online.
[info]: Received Fame List of '0' characters.
[status]: Received '34' guild castles from char-server.

When I try to login or create an account.

[status]: Request for connection of testchar_m (ip: ***.***.***.***).
[Notice]: Account creation (account testchar, id: 2000008, pass: password, sex: M)
[Notice]: Authentication accepted (account: testchar, id: 2000008, ip: ***.***.***.***)
[status]: Connection of the account 'testchar' accepted.
[info]: Closed connection from '***.***.***.***'.

After a little while of waiting.

[status]: Connecting to 127.0.0.1:6121
[status]: Logging in to char server...
[info]: connect_check: Connection from 127.0.0.1 denied!
[Warning]: Connection to Char Server lost.

Spammed every second.

char_athena.conf

login_ip: lan
login_port: 6900

char_ip: wlan

char_port: 6121

EDIT AGAIN:

So I left it sit for like 10-30 minutes trying to connect to the char server, and this happend.

[status]: Connecting to 127.0.0.1:6121
[info]: connect_check: Connection from 127.0.0.1 denied!
[status]: Logging in to char server...
[Warning]: Connection to Char Server lost.

[info]: connect_check_clear: Cleared 0 of 0 from IP list.
[info]: connect_check_clear: Cleared 1 of 1 from IP list.
[status]: Connecting to 127.0.0.1:6121
[info]: connect_check: Connection from 127.0.0.1 allowed.
[status]: Logging in to char server...
[status]: Successfully logged on to Char Server (Connection: '6').
[status]: Sending maps to char server...
[status]: Event 'OnInterIfInit' executed with '0' NPCs.
[status]: Map-Server 0 connected: 1384 maps, from IP ***.***.***.*** port 5121.
[status]: Map-server 0 loading complete.
[status]: Map Server is now online.
[info]: Received Fame List of '0' characters.
[info]: connect_check_clear: Cleared 0 of 0 from IP list.
[info]: Pinging SQL server to keep connection alive...
[info]: Pinging SQL server to keep connection alive...
[info]: Pinging SQL server to keep connection alive...
[info]: Pinging SQL server to keep connection alive...
[info]: Pinging SQL server to keep connection alive...
[info]: Pinging SQL server to keep connection alive...

And now I can connect but I would still like to know why it happend?!

How might I go about fixing the problem if this happends again?

Edited May 10, 2013 by Skorm

Akbare · May 10, 2013

is it possible this error globally??

because it had not happen and so the server is restarted ... KABOOMM .... connection lost /oops

Marks · May 10, 2013

Any solution?, (its not ddos attakc)

Fresh prince · May 10, 2013

Look at your login log in sql ans see if evry how many mins it reconnects

Skorm · May 28, 2013

Alright so because rathena is back (finally!). I'd like to update this problem slightly:

The server thinks it's being DoSS by the login server and rejects it.

Simi-fix:

In conf/packet_athena.conf

//----- IP Rules Settings -----

// If IP's are checked when connecting.
// This also enables DDoS protection.
// Default yes
enable_ip_rules: yes

Change enable_ip_rules: no

This will disable DoSS protection allowing the char server to reconnect much faster!

Why it is disconnecting on localhost is still a mystery.

Notes: I really feel like some part of the revision we're using through rA connects back to their servers. Like a status-check or perhaps a kill switch (maybe they're gathering miscellaneous information and it isn't rerouting correctly)? I mean why else would everyone be having this same problem while rAthena just happens to go down... I even went so far to contact my server provider about the problem.

Edited May 28, 2013 by Skorm

Fresh prince · May 29, 2013

it reconnects exactly every 30 minutes.

Akinari · May 29, 2013

This should have been fixed in r17327.

Link: http://sourceforge.net/p/rathena/svn/17327/

Fresh prince · May 29, 2013

Is this the only solution?

socket.h:

int make_connection(uint32 ip, uint16 port, bool silent);

to

int make_connection(uint32 ip, uint16 port, bool silent, int timeout);

Edited May 29, 2013 by Fresh prince

Skorm · May 29, 2013

Post edited

Edited May 29, 2013 by Skorm

Fresh prince · May 29, 2013

was actually socket.h not socket.c according to Akinari's link. It did not work for me though, I mean I had errors when I compiled

Unholy Touch · May 29, 2013

This also happen to my server before but now its gone i dont know what happen, i didnt update my svn too because im using really old rev 16998. hahah. i tried updating to the latest rev but i received a lot of complaint from my players though.

Skorm · May 29, 2013

if( (sfd = make_connection(host2ip("stats.rathena.org"),(uint16)25421,true,10) ) == -1 ) {

Lol the more you know!

I installed the modifications and replaced stats.rathena.org with localhost to test... uhm seems to be working fine.

Thanks Akinari and fresh prince.

Edit:

If you're having this problem on an older version of rAthena and you don't want to update. You only need modify these files.

Where + is add the line and - is remove the line.

trunk/src/common/socket.h

 // Function prototype declaration
 
 int make_listen_bind(uint32 ip, uint16 port);
-int make_connection(uint32 ip, uint16 port, bool silent);
+int make_connection(uint32 ip, uint16 port, bool silent, int timeout);
 int realloc_fifo(int fd, unsigned int rfifo_size, unsigned int wfifo_size);
 int realloc_writefifo(int fd, size_t addition);
 int WFIFOSET(int fd, size_t len);

trunk/src/map/chrif.c

 		}
 
 		chrif_state = 0;
-		char_fd = make_connection(char_ip, char_port,false);
+		char_fd = make_connection(char_ip, char_port,false,10);
 
 		if (char_fd == -1)//Attempt to connect later. [Skotlex]
 			return 0;

trunk/src/char/char.c

 				int sfd;/* stat server fd */
 				RFIFOSKIP(fd, 2);/* we skip first 2 bytes which are the 0x3008, so we end up with a buffer equal to the one we send */
 
-				if( (sfd = make_connection(host2ip("stats.rathena.org"),(uint16)25421,true) ) == -1 ) {
+				if( (sfd = make_connection(host2ip("stats.rathena.org"),(uint16)25421,true,10) ) == -1 ) {
 					RFIFOSKIP(fd, RFIFOW(fd,2) );/* skip this packet */
 					break;/* connection not possible, we drop the report */
 				}

 		return 0;
 
 	ShowInfo("Attempt to connect to login-server...\n");
-	login_fd = make_connection(login_ip, login_port, false);
+	login_fd = make_connection(login_ip, login_port, false,10);
 	if (login_fd == -1)
 	{	//Try again later. [Skotlex]
 		login_fd = 0;

trunk/src/common/socket.c

-void setsocketopts(int fd)
-{
-	struct timeval timeout;
+void setsocketopts(int fd,int delay_timeout){
 	int yes = 1; // reuse fix
-	timeout.tv_sec = 10;
-	timeout.tv_usec = 0;
 
 #if !defined(WIN32)
 	// set SO_REAUSEADDR to true, unix only. on windows this option causes

My server didn't have a lot of this so I just replaced the void.

 	opt.l_linger = 0; // Do not care
 	if( sSetsockopt(fd, SOL_SOCKET, SO_LINGER, (char*)&opt, sizeof(opt)) )
 		ShowWarning("setsocketopts: Unable to set SO_LINGER mode for connection #%d!\n", fd);
+	}
+	if(delay_timeout){
+		struct timeval timeout;
+		timeout.tv_sec = delay_timeout;
+		timeout.tv_usec = 0;
+
+		if (sSetsockopt (fd, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout,sizeof(timeout)) < 0)
+			ShowError("setsocketopts: Unable to set SO_RCVTIMEO timeout for connection #%d!\n");
+		if (sSetsockopt (fd, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout,sizeof(timeout)) < 0)
+			ShowError("setsocketopts: Unable to set SO_SNDTIMEO timeout for connection #%d!\n");
 	}
 }

 		return -1;
 	}
 
-	setsocketopts(fd);
+	setsocketopts(fd,0);
 	set_nonblocking(fd, 1);
 
 #ifndef MINICORE

 		return -1;
 	}
 
-	setsocketopts(fd);
+	setsocketopts(fd,0);
 	set_nonblocking(fd, 1);
 
 	server_address.sin_family      = AF_INET;

 	return fd;
 }
 
-int make_connection(uint32 ip, uint16 port, bool silent) {
+int make_connection(uint32 ip, uint16 port, bool silent,int timeout) {
 	struct sockaddr_in remote_address;
 	int fd;
 	int result;

 		return -1;
 	}
 
-	setsocketopts(fd);
+	setsocketopts(fd,timeout);
 
 	remote_address.sin_family      = AF_INET;
 	remote_address.sin_addr.s_addr = htonl(ip);

This for me was actually the Setsocketopts above make_connection. Edited May 29, 2013 by Skorm

Fresh prince · May 29, 2013

Hey Skorm, did it totally stop your re-connection problem?

Skorm · May 29, 2013

Hey Skorm, did it totally stop your re-connection problem?

Yes, I've been here looking at my terminal, off and on, for well over 2 hours- No disconnects!

Fresh prince · May 29, 2013

hell yeah! I've done all and didn't get any errors on my local machine. I'll now apply it on the live server *crossing-fingers*

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