The file contains non-printable / corrupted characters in the entry for 'libcommons-javaflow-java-doc':
$ grep -vEC 1 '^[[:print:]]*$' SickofSociety_cataloged_times.p p20573 �1336418�58.2340701 sS'l�bcommon�-javafl�w-java-doc' p20574 $ grep -C 1 'common.*-java.*java-doc' /var/lib/apt-xapian-index/cataloged_times.p # example for valid entry F1336421894.408062 sS'libcommons-javaflow-java-doc' p20179 Try deleting the file and then running update-apt-xapian-index again: $ sudo rm /var/lib/apt-xapian-index/cataloged_times.p $ sudo update-apt-xapian-index --verbose --force Note: Because of '--verbose' there will be more messages than usual. Please show us the commands' output. ** Changed in: apt-xapian-index (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1021474 Title: update-apt-xapian-index crashes with Unpickling Error in init() invalid load key To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-xapian-index/+bug/1021474/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs