Wikka : WikkaTroubleshooting

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Troubleshooting

At this page you can report about problems installing or running wikka. For reporting bugs, please use WikkaBugs.

If you report a problem, please add a header and tell us about the following things:
- your used versions of: wikka, php, mysql
- error-messages
- if you can provide a link which shows the error, please do so

Known Problems

Wikka and free Hosting

I've installed Wikka on a free hosting service, and all I get is a blank page. Other (non-Wikka) pages do work, and show a banner of the hoster.
I have a Wikka site at a free host, but all pages are truncated: the comments block doesn't appear.

When a (free) host inserts a banner, it interferes with two things Wikka does by default:
when Gzip-encoding is active, inserting a banner just messes things up (causing a blank page); and
Wikka calculates content-length for a HTTP header - which will be incorrect after the banner is inserted, so you would see a truncated page when Gzip is not active.

See BlankPageWorkaround for a solution to both of these problems.

Server Error on fresh Wikka install

Problem: Going to the URL for a freshly-installed Wikka to trigger the installation process, the server issues a 500 (Server error) error and Wikka setup does not start.

Solution: try ServerErrorWorkaround.

Extreme slowness for unregistered users

Problem: For unregistered visitors the Wikka site is very slow while registered (logged-in) visitors don't have any problem.

Solution: At the moment not, will follow on ExtremeSlownessWorkaround.

Only letter salad in the browser

Problem: After installation, when accessing the Wikka main URL (or any page for that matter) only results in garbage characters ("letter salad") in the browser window (looks like viewing a binary file).

Solution: LetterSaladOutputWorkaround.

Charset not supported warnings

Problem: On any page with code blocks, PHP displays a series for GeSHi highlighting code, like these (path shortened):

Solution: CharsetNotSupportedWorkaround.

Truncated pages

Problem: Every page is truncated: the bottom of the page does not appear: the "small print" and maybe some elements above that like comments are not displayed in the browser.

If you look at the HTML source code in the browser, the page stops abruptly and the ending tags </body> and </html> are not there.

Solution: TruncatedPageWorkaround.

Failed to initialize session module

Problem: After succesfully configuring the wiki Wikka (database connects just fine, and all else seems to run fine) you can click on a link to 'your newly created site'.
But you get: Fatal error: Failed to initialize session module in /[your_path]/wikka/wikka.php on line 1150

Solution: InitializeSessionWorkaround.

Only blank pages

Problem: In a newly-installed system (or one previously installed but migrated to a new host) accessing any page (including the home page and other pages that are known to exist) results in nothing but a blank page in the browser.

Solution: BlankPageWorkaround.

Array_merge

Problem: When trying to install Wikka 1.1.5.3 (or earlier) on a system with PHP 5, you will get the following error while trying to install wikka:
Warning: array_merge() [function.array-merge]: Argument #2 is not an array in ["your Path"]\wikka.php on line 910"

Solution: Install version 1.1.6.0 or higher instead.

• [Source]
• [History]
• 2005-02-05 18:55:03
• Owner: NilsLindenberg
• Your hostname is 18.119.143.4

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