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Author Topic: White screen on just a few posts 2.0.15  (Read 594 times)

Offline bfeist

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White screen on just a few posts 2.0.15
« on: January 11, 2018, 03:10:37 PM »
Hi all,
I'm a happy user of SMF. I've been using it for many years to run a local hobby group forum and it has always been amazing.

I'm hoping someone can help with a problem that has just cropped up. one or two forum topics result in a white screen. All others work perfectly. I've searched this forum and done some googling and have turned on PHP error reporting and searched every PHP error log and I can not see an error being thrown anywhere. PHP version is 5.6.33. Viewing source on the blank screen shows no markup whatsoever. It's a real mystery. I'm a dev by trade, but I can't find a way in to problem solve this without being able to see an error anywhere. Can anyone recommend a way in?

Thanks in advance.

Offline Sir Osis of Liver

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Re: White screen on just a few posts 2.0.15
« Reply #1 on: January 11, 2018, 03:27:01 PM »
Link to a blank topic?

Offline bfeist

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Offline Illori

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Re: White screen on just a few posts 2.0.15
« Reply #3 on: January 11, 2018, 03:34:38 PM »

Offline lurkalot

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Re: White screen on just a few posts 2.0.15
« Reply #4 on: January 11, 2018, 03:37:35 PM »
Is there something strange going on with your url's

The link you posted, http://temac.ca/smf/index.php/topic,6439.0.html

This works, http://temac.ca/smf/index.php?topic=6439.0

Edit:  Sorry my mistake, it doesn't

Offline Illori

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Re: White screen on just a few posts 2.0.15
« Reply #5 on: January 11, 2018, 03:39:11 PM »
the second link does not load the topic, it loads the board index. so they are not the same.

Offline Sir Osis of Liver

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Re: White screen on just a few posts 2.0.15
« Reply #6 on: January 11, 2018, 03:49:37 PM »
That's odd, something's changing the urls.  This one works -

http://temac.ca/smf/index.php/topic,6297.0.html

Something in .htaccess?

Offline bfeist

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Re: White screen on just a few posts 2.0.15
« Reply #7 on: January 11, 2018, 04:32:22 PM »

Offline Sir Osis of Liver

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Re: White screen on just a few posts 2.0.15
« Reply #8 on: January 11, 2018, 04:34:17 PM »
Why would that affect urls?

Offline Illori

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Re: White screen on just a few posts 2.0.15
« Reply #9 on: January 11, 2018, 04:36:02 PM »
the topic must have had attachments that were hitting the memory limit and causing a white screen.

Offline Sir Osis of Liver

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Re: White screen on just a few posts 2.0.15
« Reply #10 on: January 11, 2018, 04:36:51 PM »

Offline Illori

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Re: White screen on just a few posts 2.0.15
« Reply #11 on: January 11, 2018, 04:47:54 PM »
it does not affect the URL, it affects the page that the post with the attachment on it is on.

Offline Sir Osis of Liver

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Re: White screen on just a few posts 2.0.15
« Reply #12 on: January 11, 2018, 04:51:45 PM »
I understand that, but why are the urls changed to .html links?

Offline Arantor

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Re: White screen on just a few posts 2.0.15
« Reply #13 on: January 11, 2018, 04:54:18 PM »
Because the 'search engine friendly URLs' option is turned on. It's a core feature since, well, pretty much forever when in the olden days search engines would assume everything with a ? in the URL was automatically duplicate content.
Don’t try to tell me that some power can corrupt a person. You haven’t had enough to know what it’s like.

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Offline Sir Osis of Liver

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Re: White screen on just a few posts 2.0.15
« Reply #14 on: January 11, 2018, 05:00:36 PM »
Hmm, I must have a different server setup, that option has no affect on my installs.

Offline Arantor

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Re: White screen on just a few posts 2.0.15
« Reply #15 on: January 11, 2018, 06:22:02 PM »
It also only works in Apache.
Don’t try to tell me that some power can corrupt a person. You haven’t had enough to know what it’s like.

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Offline Sir Osis of Liver

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Re: White screen on just a few posts 2.0.15
« Reply #16 on: January 11, 2018, 10:21:09 PM »
Support and Credits reports server running LiteSpeed, my account info shows Apache 2.4.9.



Offline bfeist

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Re: White screen on just a few posts 2.0.15
« Reply #17 on: January 12, 2018, 11:37:05 AM »
For the record, the images that caused this error were only about 600k, but they were very high resolution 5500x3000