Last modified: 2007-11-25 18:11:35 UTC

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Bug 9558 - FileCache incorrectly caches multipage image pages
FileCache incorrectly caches multipage image pages
Product: MediaWiki
Classification: Unclassified
File management (Other open bugs)
PC All
: Normal normal (vote)
: ---
Assigned To: Nobody - You can work on this!
: patch, patch-need-review
Depends on:
  Show dependency treegraph
Reported: 2007-04-11 08:41 UTC by Thomas Bleher
Modified: 2007-11-25 18:11 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Description Thomas Bleher 2007-04-11 08:41:38 UTC
When $wgUseFileCache is enabled, image pages are cached, too. This fails when there are multi-page documents, because  
HTMLFileCache doesn't look at the "page" parameter and serves the same HTML-page for any page in the document.

The most simple fix to this problem is to just not cache Image pages:
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -2473,6 +2473,7 @@ class Article {
                        and ($wgUser->isAnon())
                        and (!$wgUser->getNewtalk())
                        and ($this->mTitle->getNamespace() != NS_SPECIAL )
+                       and ($this->mTitle->getNamespace() != NS_IMAGE )
                        and (empty( $action ) || $action == 'view')
                        and (!isset($oldid))
                        and (!isset($diff))

I'm sure there are better solutions, but this one fixes the problem for me.

Footnote: I'm seeing this problem on a modified system with PDFs enabled, but I'm pretty sure it's the same with DjVu-Files.
Comment 1 Thomas Bleher 2007-11-25 18:11:35 UTC
This bug seems to have fixed itself, at least I cannot reproduce it now using MediaWiki 1.12dev with the PdfHandler extension.
Closing... :)

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