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Old 30th March 2008, 11:35 AM   #1 (permalink)
pursuit
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Exclamation Error 500 caused by suspected data corruption

last night a customer from France was kind enough (evidence of Anglo-French relationship entering a new era?) to email me to report a Internal Server error on a site (osCommerce) when he was browsing to find a gift.

After a quick review of the site, I determined the error only occured when browsing a particular sub-category, so there's no question of faults site-wise or in scripts. I then looked at that sub-category at the admin side. At first it appeared there was nothing unusual. I tried to move the products under that sub-category one by one while kept checking the shop front. It finally turned out that a single product was causing the dreadful Internal Server Error.

I post it here because I think it is quite unusual, and one may tempt to report it to UH when it's nothing to do with the server:

1. there's no trace of recording of this error in the error.log (unless UH could see something that we can not see);
2. the suspected 'corrupted' product can be viewed just fine at admin side.

Last edited by pursuit : 30th March 2008 at 01:17 PM.
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Old 30th March 2008, 12:51 PM   #2 (permalink)
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I assume the "bad" product contained some invalid characters that caused the ouput to fail. Try changing the text to a simple text string "This is a test" and/or change the images temporarily on the page, you should be able to work out what is actually causing the problem.
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Old 30th March 2008, 01:30 PM   #3 (permalink)
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What Simon said could be possible although I could not think or aware of any character and/or image that would make the server so unhappy. once identified, it is the shop owner's job to sort it out.
btw, I have a copy of the site on my local server from some months ago that did not have the problem.
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Old 30th March 2008, 03:21 PM   #4 (permalink)
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I'm assuming your local server isn't centos with the same config file and apache/mysql versions as UnitedHosting so there could be any number of differences that cause the 2 servers to output differently
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