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PHP Warning: Empty regular expression in Linker.php
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After upgrading to 1.23.0rc0 (from 1.22.6) have seen this warning show up in my job logs:

PHP Warning: preg_match(): Empty regular expression in .../w/includes/Linker.php on line 1737

Seems like the same error from T20627. Possible regression?

Version: 1.23rc



Event Timeline

bzimport raised the priority of this task from to Medium.Nov 22 2014, 3:15 AM
bzimport set Reference to bz64603.
bzimport added a subscriber: Unknown Object (MLST).
thingles created this task.Apr 29 2014, 1:15 PM

Sounds more related to bug 64602, the linktrail cannot get from cache because that fails to unserialize the cache data and gives a null or false back, which than is passed to preg_match and produces a warning.

This comment was removed by hashar.
This comment was removed by hashar.

Reusing task is a bad idea. Sorry for the spam.