[Opensim-dev] OpenSim crashing why?
Melanie
melanie at t-data.com
Tue May 4 11:16:06 UTC 2010
They may simply be opening the mainmap. In that case, I believe the
client willc onnect each sim in turn to ask for the map tile. That
would be normal behavior.
Nelanie
Clive Gould wrote:
> Normal clients appear to open 4 each connections with the server as
> can be seen below:
>
> [opensim at vleinternal ~]$ netstat -anput | grep 10.100.0.17:9000
> (Not all processes could be identified, non-owned process info
> will not be shown, you would have to be root to see it all.)
> tcp 0 0 10.100.0.17:9000 90.192.61.239:64113
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 90.192.61.239:64125
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 90.192.61.239:64121
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 90.192.61.239:64123
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 10.100.0.1:1721
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 10.100.0.1:1720
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 86.7.243.78:52777
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 86.7.243.78:52768
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 86.7.243.78:52786
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 86.7.243.78:52763
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 10.100.0.1:1739
> ESTABLISHED 8036/mono
> tcp 0 0 10.100.0.17:9000 10.100.0.1:1738
> ESTABLISHED 8036/mono
>
> Why on earth should one particular Imprudence client (temporarily
> disallowed access using iptables) be opening connections spiralling
> out of control?
>
>
> On Tue, May 4, 2010 at 11:36 AM, Clive Gould <cliveg at gmail.com> wrote:
>> Hi
>>
>> It seems that one particular remote client is causing OpenSim to open
>> new connections over and over again.
>>
>> Is it possible a firewall setting on the client could be causing the
>> number of open connections to spiral out of control?
>>
>> Anyone else have experience of this?
>>
>> Thanks very much
>>
>> Clive
>>
>>
>>
>>
>>> ------------------------------
>>>
>>> Message: 4
>>> Date: Tue, 4 May 2010 08:56:37 +0100
>>> From: Clive Gould <cliveg at gmail.com>
>>> To: opensim-users at lists.berlios.de
>>> Cc: tedd at konge.net
>>> Subject: Re: [Opensim-users] OpenSim crashing why?
>>> Message-ID:
>>> <h2h62a72a691005040056z1951e9b3ra4917cfac0e8e271 at mail.gmail.com>
>>> Content-Type: text/plain; charset=ISO-8859-1
>>>
>>> Hi
>>>
>>> The Linux command that finally did the trick was:
>>>
>>> netstat -anput
>>>
>>> Hi
>>>
>>> This showed that OpenSim was maintaining over 900 connections to the
>>> remote IP 94.169.170.24
>>>
>>> [opensim at vleinternal ~]$ host 94.169.170.24
>>> 24.170.169.94.in-addr.arpa domain name pointer
>>> cpc3-croy18-2-0-cust535.croy.cable.virginmedia.com.
>>>
>>> By restarting OpenSim and blocking 94.169.170.24 in /etc/hosts.deny
>>> these connections, which I suspect were crashing the simulator
>>> periodically, have gone away.
>>>
>>> Does anyone know what could cause all these open connections???
>>>
>>> Thanks for all the help and advice
>>>
>>> Clive
>>>
>>>
>>>
>>>
>>> On Mon, May 3, 2010 at 8:25 PM, <opensim-users-request at lists.berlios.de> wrote:
>>>> Send Opensim-users mailing list submissions to
>>>> ? ? ? ?opensim-users at lists.berlios.de
>>>> ------------------------------
>>>>
>>>> Message: 4
>>>> Date: Mon, 3 May 2010 21:25:34 +0200
>>>> From: "Tedd Hansen" <tedd at konge.net>
>>>> To: <opensim-users at lists.berlios.de>
>>>> Subject: Re: [Opensim-users] OpenSim crashing why?
>>>> Message-ID: <004901caeaf6$691ea1b0$3b5be510$@net>
>>>> Content-Type: text/plain; ? ? ? charset="us-ascii"
>>>>
>>>> Hi
>>>>
>>>> netstat command will do that for you.
>>>> Linux: netstat -nlap | less
>>>> Windows: netstat -anb | more
>>>>
>>>> debian5:~# netstat -nlap | grep tcp | grep :8002
>>>> tcp ? ? ? ?0 ? ? ?0 0.0.0.0:8002 ? ? ? ? ? ?0.0.0.0:* ? ? ? ? ? ? ? LISTEN
>>>> 13841/mono
>>>>
>>>> Br,
>>>> ?Tedd
>>>>
>>>> -----Original Message-----
>>>> From: opensim-users-bounces at lists.berlios.de
>>>> [mailto:opensim-users-bounces at lists.berlios.de] On Behalf Of Clive Gould
>>>> Sent: 3. mai 2010 21:22
>>>> To: opensim-users at lists.berlios.de
>>>> Subject: Re: [Opensim-users] OpenSim crashing why?
>>>>
>>>> Hi
>>>>
>>>> Justin wrote: "By the look of it, something in OpenSim is failing to
>>>> close connections. ?After 24 hours, the HttpServer embedded in OpenSim
>>>> eventually finds that it runs out of sockets to play with."
>>>>
>>>> OpenSim is still crashing periodically.
>>>>
>>>> Any idea how I can find out how many connections the HTTP Server
>>>> embedded in OpenSim thinks it has open at any one time?
>>>>
>>>> Is there a command from the Linux command line that will show this?
>>>> (I've tried ps and netstat without success)
>>>>
>>>> Thanks very much
>>>>
>>>> Clive
>>>>
>>>>
>>>>> Message: 2
>>>>> Date: Thu, 29 Apr 2010 23:38:49 +0100
>>>>> From: Justin Clark-Casey <jjustincc at googlemail.com>
>>>>> Cc: opensim-users at lists.berlios.de
>>>>> Subject: Re: [Opensim-users] OpenSim crashing why?
>>>>> Message-ID: <4BDA0A79.5020105 at googlemail.com>
>>>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>>>
>>>>> Clive Gould wrote:
>>>>>> Hi
>>>>>>
>>>>>> We're successfully using OpenSim for student project work at Bromley
>>>> College.
>>>>>>
>>>>>> OpenSim 0.6.8 standalone has just started crashing on us every 24 hours
>>>> or so.
>>>>>>
>>>>>> Logins are disabled and the OpenSim.log file fills up the CentOS home
>>>>>> partition very quickly with error messages.
>>>>>>
>>>>>> Killing all processes owned by the opensim user, deleting the
>>>>>> OpenSim.log file, restarting the vnc session and the opensim
>>>>>> application cures the problem, until the next time.
>>>>>>
>>>>>> I append relevent excerpts from the error log to this message.
>>>>>>
>>>>>> Does anyone have any idea what may be causing this??
>>>>>
>>>>> By the look of it, something in OpenSim is failing to close connections.
>>>> After 24 hours, the HttpServer embedded in OpenSim eventually finds that it
>>>> runs out of sockets to play with.
>>>>>
>>>>> I'm surprised to see this in standalone mode. ?Are you doing something
>>>> with OpenSim in standalone mode that requires outbound connections (e.g.
>>>> remote database, groups, etc.), or perhaps a script that regularly
>>>> establishes an outbound connection?
>>>>>
>>>>> If this has just started crashing after being fine before then it suggests
>>>> that something has changed locally to reveal a bug in OpenSim.
>>>>>
>>>>> -- Justin
>>>>>
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> Clive
>>>>>>
>>>>>> 2010-04-29 16:55:47,776 DEBUG - OpenSim.Region.Framework.Scenes.Scene
>>>>>> [Scene] Adding new agent India Airie to scene Rookery_NW
>>>>>> 2010-04-29 16:55:47,777 DEBUG - OpenSim.Region.Framework.Scenes.Scene
>>>>>> [APPEARANCE]: Appearance not found in Rookery_NW, returning default
>>>>>>
>>>>>> 2010-04-29 16:55:55,132 DEBUG -
>>>>>> OpenSim.Region.Framework.Scenes.SceneObjectGroup [SCENE]: Storing
>>>>>> Primitive, 204f5d0d-a994-4d61-8fb1-4b8d3af433fd in Rookery_
>>>>>> SW
>>>>>> 2010-04-29 16:56:14,262 DEBUG -
>>>>>> OpenSim.Region.Framework.Scenes.SceneObjectGroup [SCENE]: Storing
>>>>>> Primitive, 9b4c39ad-eebe-4417-9fd9-12a3994f17bc in Rookery_
>>>>>> SW
>>>>>> 2010-04-29 16:57:30,449 DEBUG -
>>>>>> OpenSim.Region.Framework.Scenes.SceneObjectGroup [SCENE]: Storing
>>>>>> Primitive, 88551bb8-3fa2-4bd9-a2fb-78c74bf45f55 in Rookery_
>>>>>> SW
>>>>>>
>>>>>> 2010-04-29 17:16:15,070 DEBUG -
>>>>>> OpenSim.Region.Framework.Scenes.SceneObjectGroup [SCENE]: Storing
>>>>>> Primitive, 9b4c39ad-eebe-4417-9fd9-12a3994f17bc in Rookery SW
>>>>>>
>>>>>> 2010-04-29 17:17:11,209 ERROR -
>>>>>> OpenSim.Framework.Servers.HttpServer.BaseHttpServer [BASE HTTP
>>>>>> SERVER]: HttpServer.HttpListener had an exception
>>>>>> System.Net.Sockets.SocketException: Too many open files
>>>>>> ? at System.Net.Sockets.Socket.Accept () [0x00000]
>>>>>> ? at System.Net.Sockets.Socket+Worker.Accept () [0x00000]
>>>>>> 2010-04-29 17:17:11,255 ERROR -
>>>>>> OpenSim.Framework.Servers.HttpServer.BaseHttpServer [BASE HTTP
>>>>>> SERVER]: HttpServer.HttpListener had an exception
>>>>>> System.Net.Sockets.SocketException: Too many open files
>>>>>> ? at System.Net.Sockets.Socket.Accept () [0x00000]
>>>>>> ? at System.Net.Sockets.Socket+Worker.Accept () [0x00000]
>>>>>> 2010-04-29 17:17:11,273 ERROR -
>>>>>> OpenSim.Framework.Servers.HttpServer.BaseHttpServer [BASE HTTP
>>>>>> SERVER]: HttpServer.HttpListener had an exception
>>>>>> System.Net.Sockets.SocketException: Too many open files
>>>>>> ? at System.Net.Sockets.Socket.Accept () [0x00000]
>>>>>> ? at System.Net.Sockets.Socket+Worker.Accept () [0x00000]
>>>>>> ockets.SocketException: Too many open files
>>>>>> ? at System.Net.Sockets.Socket.Accept () [0x00000]
>>>>>> ? at System.Net.Sockets.Socket+Worker.Accept () [0x00000]
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Justin Clark-Casey (justincc)
>>>>> http://justincc.org
>>>>> http://twitter.com/justincc
>>>
>>>
>>> ------------------------------
>>>
>>> _______________________________________________
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>>> Opensim-users at lists.berlios.de
>>> https://lists.berlios.de/mailman/listinfo/opensim-users
>>>
>>>
>>> End of Opensim-users Digest, Vol 33, Issue 5
>>> ********************************************
>>>
>>
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