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Re: mysql access exception after a long time
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Re: mysql access exception after a long time


  • Subject: Re: mysql access exception after a long time
  • From: Pierre Gilquin <email@hidden>
  • Date: Sat, 20 Jul 2013 08:49:10 +0200

Yes better than restart mysqld or the server ...

Could you please share some lines of code ?.
In order to do that for all mysql apps, I think to subclass ERXApplication and use a independent access like "show tables"


Pierre


That's what I do...

On Jul 19, 2013, at 4:50 PM, Hugi Thordarson <email@hidden> wrote:

Create a Timer that fires every hour to fetch an object?

It's the perfect hack; simple yet disgusting.

- hugi


On 19.7.2013, at 15:01, Pierre Gilquin <email@hidden> wrote:

Thanks for your help


I realize that 8 hours are the setting for wait_timeout in mysql server.

As my app is not used at night, I think to change wait_timeout to 24h and schedule a restart of my WO app every night.


Do you thing it could solve the problem in a easy way ?


Pierre





Hi,
This is a well known bug in MySQL driver. It happens after 8 hours of being idle.  Try not to use the driver 's default connection pool, use some altetnatives such as C3po.
Best of luck!
On 19 Jul 2013 20:33, "Pierre Gilquin" <email@hidden <mailto:email@hidden>> wrote:
  Hi
  If mysql is not accessed by my app for a long period of time (around
  8h), an exception is throwned.
  Is there a setting that I can apply to my wonder-WO app or mysql to
  prevent this ?
  Thanks in advance
  Pierre
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  • Follow-Ups:
    • Re: mysql access exception after a long time
      • From: Hugi Thordarson <email@hidden>
References: 
 >mysql access exception after a long time (From: Pierre Gilquin <email@hidden>)
 >Re: mysql access exception after a long time (From: Minh Thao Hoang <email@hidden>)
 >Re: mysql access exception after a long time (From: Pierre Gilquin <email@hidden>)
 >Re: mysql access exception after a long time (From: Hugi Thordarson <email@hidden>)
 >Re: mysql access exception after a long time (From: Ken Anderson <email@hidden>)

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