-
- if ( $cached === null ) {
- // Should not happen
- throw new MWException( "LinkCache doesn't know redirect status of this title: " . $this->getPrefixedDBkey() );
+ if ( $cached === null ) { # check the assumption that the cache actually knows about this title
+ # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209
+ # as a stop gap, perhaps log this, but don't throw an exception?
+ wfDebug( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() );
+ wfDebug( wfBacktrace() );