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Picture of Hunter Allspaugh
Re: intermittent server 500 error
 

My mistake. I checked the PHP error log and it didn't show any errors within the last 2 months.

 
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Re: intermittent server 500 error
Group Particularly helpful MoodlersGroup Testers

But a Server 500 Error is an error - so it should be being logged somewhere - either PHP's error log, IIS error log or the server event viewer... A 500 Error on it's own is fairly meaningless; you need the underlying error message to diagnose the issue.

Jon

 
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Picture of Bret Miller
Re: intermittent server 500 error
Group Particularly helpful Moodlers

Not the PHP error log, the HTTP error log. You can find this in \Windows\System32\LogFiles\HTTPERR for IIS.

 
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Picture of Howard Miller
Re: intermittent server 500 error
Group DevelopersGroup Documentation writersGroup Particularly helpful Moodlers

Yep - there's no chance that error won't be logged. If you can't see it in the log, you're looking in the wrong log. 

 
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Picture of Hunter Allspaugh
Re: intermittent server 500 error
 

I have checked the php error log, the http error log, the iis error log.  Nothing has shown any evidence besides the error entry posted above.  Where else can I look to find some evidence of this problem?

 
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Picture of Howard Miller
Re: intermittent server 500 error
Group DevelopersGroup Documentation writersGroup Particularly helpful Moodlers

It's always possible error logging is switched off somewhere - I've never used IIS so I don't know - however, there is plenty of info in Google land about 500 errors (and 500 errors and PHP).  E.g. http://support.microsoft.com/kb/943891

 
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Picture of Hunter Allspaugh
Re: intermittent server 500 error
 

Upon allowing guess access to the page, the errors seem to have disappeared.  I believe php error logging was not actually activated, so I will keep an eye on it and report back with any continued problems.

 
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