I created a build plan in a project that already had a manual build. I set the type of this new build to 'Poll repository for changes' every 60 seconds. I see in the activity log that the polling is happening and that the changes are being synced - but the build is not occurring.

22-Jan-2007 14:03:58 Generating build results summary...
22-Jan-2007 14:03:58 Indexing build results...
22-Jan-2007 14:03:58 Finished saving build CONNECT3-DELTA-2
22-Jan-2007 14:03:59 //buildtest_DEVINT2/​buildtest/​... - file(s) up-to-date.
22-Jan-2007 14:04:00 Sending build results email for build:Connect 4 Three - Delta build:2
22-Jan-2007 14:04:59 //depot/​userbranches/​kjohnston_main_user/​buildtest/​connectfour/​ build.xml#3 - updating D:\p4\​buildtest\​connectfour\​build.xml
22-Jan-2007 14:06:00 //buildtest_DEVINT2/​buildtest/​... - file(s) up-to-date.
22-Jan-2007 14:07:00 //buildtest_DEVINT2/​buildtest/​... - file(s) up-to-date.
22-Jan-2007 14:08:01 //buildtest_DEVINT2/​buildtest/​... - file(s) up-to-date.
22-Jan-2007 14:09:01 //buildtest_DEVINT2/​buildtest/​... - file(s) up-to-date.
22-Jan-2007 14:10:02 //depot/​userbranches/​kjohnston_main_user/​buildtest/​connectfour/​ build.xml#4 - updating D:\p4\​buildtest\​connectfour\​build.xml
22-Jan-2007 14:11:03 //buildtest_DEVINT2/​buildtest/​... - file(s) up-to-date.
22-Jan-2007 14:12:03 //buildtest_DEVINT2/​buildtest/​... - file(s) up-to-date.