[Buildbot] #3595: Force build doesn't work on Chrome

[Buildbot trac]

#3595: Force build doesn't work on Chrome
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Reporter:  srats   |       Owner:
    Type:  defect  |      Status:  new
Priority:  major   |   Milestone:  undecided
 Version:  master  |  Resolution:
Keywords:          |
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Comment (by tardyp):

 Hello,

 Thanks for your report.

 This is a regression that comes with twisted 16, which enforce storing of
 error code as string.
 You can either downgrade to twisted 15.x or apply this patch
 https://github.com/buildbot/buildbot/pull/2336

 In my case the actual error was not that, it was BuildbotURL not properly
 set. You shall have an error message in the home page of the UI talking
 about BuildbotURL. Then the actual error is because CORS checks that the
 web server is doing for POST acttions like force build.

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Ticket URL: <http://trac.buildbot.net/ticket/3595#comment:1>
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