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Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context
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Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context


  • Subject: Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context
  • From: Chuck Hill <email@hidden>
  • Date: Mon, 26 Apr 2010 17:37:39 -0700


On Apr 26, 2010, at 5:11 PM, Mark Ritchie wrote:

On 26/Apr/2010, at 4:07 PM, Chuck Hill wrote:
As the fix is likely to be very environment and configuration specific, I took the approach of reporting that there was a problem rather then trying to guess at what the context specific solution should be! ;-)
That was my take on it. Do you know what changed? Did Leopard change the permissions of the parent and children Apache processes?

It was a change to the adaptor code so that the log files are not world writable.
svn diff -r 8053:8054 ~Wonder/Utilities/Adaptors/Adaptor/log.c

That does not seem like a good change. While the added security is nice in theory, the lack of working in practice seems to out weight it.



To start with, I've changed the Adaptor to report serious error messages to the Apache logs in addition to the WO logs. It looks like this code has been inactive for sometime (read decade) due to upper case vs mixed case mismatch.
Testing: priceless.
Well, actually, in this case, having a test case which would catch this case would be an interesting trick! ;-)

It would have to be a manual test. If it is not worth testing, it is not worth writing. :-)


Chuck

(Given that the adaptor is written to load into multiple webserver and sometimes multiple versions.)
M.



-- Chuck Hill Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects








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  • Follow-Ups:
    • Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context
      • From: Mark Ritchie <email@hidden>
    • Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context
      • From: David Avendasora <email@hidden>
References: 
 >Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Farrukh Ijaz <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Chuck Hill <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Farrukh Ijaz <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Chuck Hill <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Daniel Roy <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Chuck Hill <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Guido Neitzer <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Mark Ritchie <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Chuck Hill <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Mark Ritchie <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Chuck Hill <email@hidden>)
 >Re: Instance gets down after approx 500 hits; Database backup; Connection pooling with Single Database Context (From: Mark Ritchie <email@hidden>)

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