When I try to use buildbots 'reconfig' command to reload the master.cfg (to pick up new builders / new bots), buildbucket only seems to do a single poll cycle and then stops polling for new builds.

If I stop/restart he master, it works again as expected.

$ buildbot reconfig .
sending SIGHUP to process 1058
2017-06-07 17:37:20+0000 [-] beginning configuration update
2017-06-07 17:37:20+0000 [-] Loading configuration from 'master.cfg'
2017-06-07 17:37:21+0000 [-] removing scheduler 'force'
2017-06-07 17:37:21+0000 [-] adding scheduler 'force'
2017-06-07 17:37:21+0000 [-] [buildbucket] integrator stopped
2017-06-07 17:37:21+0000 [-] (TCP Port 8010 Closed)
2017-06-07 17:37:21+0000 [-] Stopping factory <buildbot.status.web.baseweb.RotateLogSite instance at 0x7f8de466f2d8>
2017-06-07 17:37:21+0000 [-] [buildbucket] integrator started
2017-06-07 17:37:21+0000 [-] [buildbucket] Requesting for all not yet completed build requests. This may take a long time...
2017-06-07 17:37:21+0000 [-] WebStatus using (public_html)
2017-06-07 17:37:21+0000 [-] RotateLogSite starting on 8010
2017-06-07 17:37:21+0000 [-] Starting factory <buildbot.status.web.baseweb.RotateLogSite instance at 0x7f8de447e050>
2017-06-07 17:37:21+0000 [-] Setting up http.log rotating 10 files of 10000000 bytes each
2017-06-07 17:37:21+0000 [-] configuration update complete

Reconfiguration appears to have completed successfully.


2017-06-07 17:37:23+0000 [-] [buildbucket] Received 1 build requests
2017-06-07 17:37:23+0000 [-] [buildbucket] Loaded current leases from the database: {u'8977427924365150992': {'build_request': BuildRequestGateway(brid=519), 'key': u'875095972'}}
2017-06-07 17:37:23+0000 [-] [buildbucket] Sending heartbeats for 1 leases
2017-06-07 17:37:23+0000 [-] [buildbucket] polling builds...
2017-06-07 17:37:23+0000 [-] [buildbucket] got 0 builds
<no more polling messages after this first one>