Issue: After post, no content

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September 2, 2011 4:53 AM

fasterfind

New Member

After post, no content

After creating a new article,

Installed, upgraded.
Uninstalled, reinstalled.
Configured, instructions followed exactly, to the letter.

After submitting a wiki article, the browser shows "The Website can not display the page"
After going back, the wiki article can be seen, but there is no content. No words, just an empty article.

The forum is set to send email announcement on new posts. The email will show the content that was submitted.

Issue Details

Issue Number 2438

Issue Type Bug

Project VaultWiki 3.x Series

Category Editing / Posting Articles

Status Not a Bug

Priority 3 - Loss of Functionality

Affected Version Unknown

Fixed Version (none)

Milestone (none)

Software DependencyAny

Users able to reproduce bug 0

Users unable to reproduce bug 0

Attachments 0

Assigned Users (none)

Tags (none)

September 2, 2011 4:05 PM

pegasus

VaultWiki Team

It sounds like you are experiencing either a database or PHP error, and it's not being sent to the browser. You will need to turn on error reporting or check your server logs for more information. This doesn't occur with a default installation of vBulletin 4.1.5 and VaultWiki 3.0.14. You can also try disabling mods one at a time to identify a conflict.

Reply
September 6, 2011 2:07 PM
pegasus

VaultWiki Team
Okay I have looked into this and after turning on display_errors, I see it is an out-of-memory error. It looks like you've set the PHP memory_limit at 25M. In my experience this is fine for vBulletin 3.8, which never uses more than 16M.

While most pages don't I have seen vBulletin 4 unmodified use over 20M under certain conditions. It reaches almost 30M when making long posts or moderating content, and has been known to use over 50M during upgrades. vBulletin devs recommend at least 128M if possible; if not, 64M minimum. I have checked and the save action goes through on your site if I dynamically change the limit to 32M. I would recommend modifying your php.ini file and picking a higher number.

I suspect that it uses so much saving even short wiki articles is because VaultWiki compresses its content and looks for links while saving. If you can't permanently increase your memory limit, turn off Link Caching in Settings > Options > VaultWiki: Server Settings. Additionally, you may want to disable content compression. For now, you'll need to edit a file for this. In vault/wiki.php, find:

Code:

define('CAN_GZIP', function_exists('gzinflate') ? 1 : 0);

Replace with:

Code:

define('CAN_GZIP', 0);
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Issue: After post, no content

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