I was able to reproduce the issue by just retrieving the URL with wget - it failed intermittently, about 1 in 3 times. However, while I see error 500s in the access_log, there is nothing in the error_log, nor in the RB's log file. Is WSGI concealing the failures? I found this suggestion [http://stackoverflow.com/questions/8007176/500-error-without-anything-in-the-apache-logs] to make the exceptions appear - but after restarting httpd, the failures disappeared (retrieved the URL 30 times successfully without a single failure).

So, let's consider this closed. If it resurfaces later, I'll post an update.

Regards,
Alexey.

On 06/09/2016 03:54 AM, Christian Hammond wrote:
Can you check the Review Board log files? While RBTools did regress the UUID checks, I think the error seen here is actually an error in the process of fetching info from that repository by the server. The Review Board log should have further details.

Christian


On Wednesday, June 8, 2016, Alexey Neyman <alexey.ney...@gmail.com> wrote:

    Hi,

    We have just upgraded the ReviewBoard from 2.0.19 to 2.0.24. One
    of the developers reported the following error after the upgrade -
    he had RBTools 0.7.2 installed at the time:

    >>> Running: svn propget reviewboard:url <SVN URL>
    >>> Making HTTP GET request to http://<RBHOST>/api/
    >>> Making HTTP GET request to http://<RBHOST>/api/repositories/
    >>> Cached response for HTTP GET http://<RBHOST>/api/repositories/
    expired and was modified
    >>> Making HTTP GET request to
    http://<RBHOST>/api/repositories/1/info/
    >>> Got API Error 210 (HTTP code 500): There was an error fetching
    extended information for this repository.
    >>> Error data: {u'stat': u'fail', u'err': {u'msg': u'There was an
    error fetching extended information for this repository.',
    u'code': 210}}
    Traceback (most recent call last):
      File "/usr/bin/rbt", line 9, in <module>
        load_entry_point('RBTools==0.7.2', 'console_scripts', 'rbt')()
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/commands/main.py",
    line 133, in main
        command.run_from_argv([RB_MAIN, command_name] + args)
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/commands/__init__.py",
    line 555, in run_from_argv
        exit_code = self.main(*args) or 0
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/commands/post.py",
    line 603, in main
        repository_info =
    repository_info.find_server_repository_info(api_root)
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/clients/svn.py",
    line 762, in find_server_repository_info
        info = repository.get_info()
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/api/resource.py",
    line 146, in <lambda>
        self._get_url(url, **kwargs)))
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/api/decorators.py",
    line 27, in request_method
        *args, **kwargs)
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/api/transport/sync.py",
    line 65, in execute_request_method
        return self._execute_request(request)
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/api/transport/sync.py",
    line 74, in _execute_request
        rsp = self.server.make_request(request)
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/api/request.py",
    line 536, in make_request
        self.process_error(e.code, e.read())
      File
    
"/usr/lib/python2.6/site-packages/RBTools-0.7.2-py2.6.egg/rbtools/api/request.py",
    line 509, in process_error
        rsp['err']['msg'])
    rbtools.api.errors.APIError: There was an error fetching extended
    information for this repository. (HTTP 500, API Error 210)

    I noted that 0.7.5 (that I had installed) does not even make a GET
    request to http://<RBHOST>/api/repositories/1/info/ (only
    http://<RBHOST>/api/repositories/) - so it looks like the
    implementation of that request (needed for older clients) was
    broken somewhere between 2.0.19 and 2.0.24.
    Upgrading to 0.7.5 solved his issue (0.7.6 had another issue, will
    report in a separate thread).

    Regards,
    Alexey.
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