[Buildbot] #3462: browser doesn't reconnect to master if connection is broken and show empty results instead of errors

[Buildbot trac]

#3462: browser doesn't reconnect to master if connection is broken and show empty
results instead of errors
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Reporter:  rutsky     |       Owner:
    Type:  undecided  |      Status:  new
Priority:  major      |   Milestone:  undecided
 Version:  master     |  Resolution:
Keywords:             |
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Comment (by eigenvector):

 Sorry if this seems like a "me too" comment, but I'm an existing Buildbot
 0.8 user who is trying to grab the buildbot 9 sources and figure out how
 to get up and running with buildbot 9 and I'm finding this to be a
 hindering issue.

 I'm finding it quite confusing that the results being displayed in the web
 UI don't always update.  I'll check in new changes and not see them
 reflected,  Connect new workers and not see them in the worker list.  Then
 when I do 'buildbot stop master' the Web UI does not go completely offline
 as it would in buildbot 0.8.   This makes me wonder, did I not
 successfully kill the master?  Or is there a separate process which is
 running the UI (via node.js) which needs also to be killed?

 So at the moment it's really difficult to me when things are not working
 because I have my master.cfg set up incorrectly versus just due to some
 communication difficulties between the web UI and the master.

 The web UI really needs to have some more clear diagnostics as to whether
 the server is up and running.  Perhaps if it had a timestamp somewhere
 that told you the last time it actually communicated with the master, that
 would be good, just as a sanity check.  If I'm starting and stopping the
 master repeatedly and the web UI says it hasn't heard from the master
 since yesterday, then I will know that there's some communication problem
 going on.

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Ticket URL: <http://trac.buildbot.net/ticket/3462#comment:1>
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