[Clas_offline] [G12] caldb mysql error during connection to server.

[Mukesh Saini]

Hi Johann,

I get a similar message while trying to access the wiki.

The page loaded after refreshing it a few times. This is the first time this error has occurred ever with me.
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G12_wiki has a problem

Sorry! This site is experiencing technical difficulties.

Try waiting a few minutes and reloading.

(Can't contact the database server: Can't create a new thread (errno 11). If you are not out of available memory, you can consult the manual for a possible OS-dependent bug (clasdb.jlab.org))
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----- Original Message -----
From: "John T. Goetz" <jgoetz at ucla.edu>
Date: Wednesday, August 19, 2009 5:06 am
Subject: [G12] caldb mysql error during connection to server.
To: clas_offline at jlab.org, helpdesk at jlab.org, weygand at jlab.org, g12 at jlab.org, sandy.philpott at jlab.org

> Hi,
> has anyone seen this error during reconstruction? This is issued from
> the caldb package:
> 
> calib_connect: RunIndex_table = "calib_user.RunIndexg12"
> calib_connect: using server=clasdb.jlab.org (default)
> calib_connect: using latest constants
> calib_connect: connecting as user=clasuser
> calib_connect: connection error. Can't create a new thread (errno 
> 11). If you are not out of available memory, you can consult the 
> manual for
> a possible OS-dependent bug
> calib_get_int SQL_ERR: MySQL server has gone away
> calib_get_int SQL_ERR: query error SELECT systemId FROM System WHERE
> System.systemName='RUN_CONTROL'
> 
> I'm not sure if its a memory problem or if the MySQL server is
> overloaded. This just started at about 18:24 on Aug. 18th 2009. I get
> this error from both the farm and when I run interactively. 
> However, I
> can keep running a1c over and over and eventually i can get it to
> connect properly.
> 
> -Johann.
> 
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