The Mediawiki Importer fails with:
Sun Nov 28 22:17:33 2010 error ... PHP Notice: Undefined offset: 1 in /var/www/tiki/lib/pear/Text/Wiki/Parse/Mediawiki/Wikilink.php on line 263, referer: .../tiki/tiki-importer.php
Sun Nov 28 22:17:38 2010 notice child pid 13376 exit signal Segmentation fault (11)
This is on Ubuntu Lucid with a 2.6.32-25-server kernel. It happens while the Importer is in the initial "Loading and validating the XML file" phase, and the Apache child instance running it of course just dies.
Update: It happens ever after I comment out the lines in Wikilink.php that threw the error - that is, there's still a segfault. This is with Apache 2.2.14 and PHP 5.3.2.
This may be the same bug as http://dev.tiki.org/tiki-view_tracker_item.php?itemId=2853&trackerId=5&show=view&reloff=1&cant=2&status=o&trackerId=5&sort_mode=f_41_desc&filterfield=26&filtervalue26=Importer - but that shows as fixed, so ....
This may also be related to this preg_replace_callback() bug: https://bugs.launchpad.net/ubuntu/+source/php5/+bug/369737 - although that's unresolved. That function is used in Table.php and Url.php in lib/pear/Text/Wiki/Parse/Mediawiki.
Update 2: Installed a fresh Fedora 14, put Tiki on it, and it gets the same segfault, in the same place in each of the 2 different XML files I'm attempting this with. Now, in both cases these are 64-bit, in case that has anything to do with it (but who runs a 64-bit server today?). In each case these are relatively large XML files - but our requirement is to convert a fair-sized Mediawiki if we're to use Tiki at all.
To help developers solve the bug, we kindly request that you demonstrate your bug on a show2.tiki.org instance. To start, simply select a version and click on "Create show2.tiki.org instance". Once the instance is ready (in a minute or two), as indicated in the status window below, you can then access that instance, login (the initial admin username/password is "admin") and configure the Tiki to demonstrate your bug. Priority will be given to bugs that have been demonstrated on show2.tiki.org.
To help developers solve the bug, we kindly request that you demonstrate your bug on a show.tikiwiki.org instance. To start, simply select a version and click on "Create show.tikiwiki.org instance". Once the instance is ready (in a minute or two), as indicated in the status window below, you can then access that instance, login (the initial admin username/password is "admin") and configure the Tiki to demonstrate your bug. Priority will be given to bugs that have been demonstrated on show.tikiwiki.org.
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