<hr /><i>anonymous claiming to be arichardson added on 2010-11-11 12:01:59:</i><br />
I'm occasionally seeing this error in my Buildbot logs.

<pre>
fossil pull && fossil update
 in dir /var/lib/buildbot/Reu2/slave/bin/nikko/build (timeout 1200 secs)
 watching logfiles {}
 argv: fossil pull && fossil update
 environment:
  HOME=/var/lib/buildbot
  LANG=en_GB.UTF-8
  LOGNAME=buildbot
  LS_COLORS=&lt;snip very long string&gt;
  MAIL=/var/mail/fatman
  PATH=&lt;snip very long string&gt;
  PWD=/var/lib/buildbot/Reu2/slave/bin/nikko/build
  SHELL=/bin/bash
  SUDO_COMMAND=/usr/bin/buildbot start /var/lib/buildbot/Reu2/slave/
  SUDO_GID=1000
  SUDO_UID=1000
  SUDO_USER=fatman
  TERM=screen-bce
  USER=buildbot
  USERNAME=buildbot
 closing stdin
 using PTY: False
Server:    http://fatman@dreamtrack.dnsalias.com/fossils/reu2.cgi
                Bytes      Cards  Artifacts     Deltas

Sent:             146          2          0          0
waiting for server...
processed: 100%         fossil: 
Error: Database error: database is locked
DELETE FROM unclustered WHERE rid IN (SELECT rid FROM private)
program finished with exit code 1
elapsedTime=0.172838
</pre>

The build runs every 8 hours. Usually it's fine, but sometimes this happens and causes the build to fail.