[Buildbot] #3071: /builds/:id/changes returns error

[Buildbot trac]

#3071: /builds/:id/changes returns error
-------------------+--------------------
Reporter:  Ben     |       Owner:
    Type:  defect  |      Status:  new
Priority:  major   |   Milestone:  0.9.0
 Version:  master  |  Resolution:
Keywords:  data    |
-------------------+--------------------

Comment (by Ben):

 The Traceback changed due to modification of the code, but is still there:

 {{{
 Traceback (most recent call last):
           File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7
 /site-packages/twisted/internet/defer.py", line 1097, in _inlineCallbacks
             result = result.throwExceptionIntoGenerator(g)
           File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7
 /site-packages/twisted/python/failure.py", line 389, in
 throwExceptionIntoGenerator
             return g.throw(self.type, self.value, self.tb)
           File
 "/home/benoit/buildbot/buildbot/master/buildbot/www/rest.py", line 374, in
 renderRest
             request.write(data)
           File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__
             self.gen.throw(type, value, traceback)
         --- <exception caught here> ---
           File
 "/home/benoit/buildbot/buildbot/master/buildbot/www/rest.py", line 111, in
 handleErrors
             yield
           File
 "/home/benoit/buildbot/buildbot/master/buildbot/www/rest.py", line 308, in
 renderRest
             data = yield ep.get(rspec, kwargs)
           File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7
 /site-packages/twisted/internet/defer.py", line 1097, in _inlineCallbacks
             result = result.throwExceptionIntoGenerator(g)
           File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7
 /site-packages/twisted/python/failure.py", line 389, in
 throwExceptionIntoGenerator
             return g.throw(self.type, self.value, self.tb)
           File
 "/home/benoit/buildbot/buildbot/master/buildbot/data/changes.py", line 73,
 in get
             changes = yield
 self.master.db.changes.getChangesForBuild(buildid)
           File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7
 /site-packages/twisted/internet/defer.py", line 1099, in _inlineCallbacks
             result = g.send(result)
           File
 "/home/benoit/buildbot/buildbot/master/buildbot/db/changes.py", line 189,
 in getChangesForBuild
             if change and change['changeid'] != toChanges.get(cb,
 {}).get('changeid'):
         exceptions.AttributeError: 'NoneType' object has no attribute
 'get'
 }}}

--
Ticket URL: <http://trac.buildbot.net/ticket/3071#comment:12>
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