Hello, I have a repeating problem that happens approximately once a week. when I try to close a review I get an error 500 internal server error and the as the system admin I get a mail:
Traceback (most recent call last): File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/django/core/handlers/base.py", line 112, in get_response response = wrapped_callback(request, *callback_args, **callback_kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/django/views/decorators/cache.py", line 52, in _wrapped_view_func response = view_func(request, *args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/django/views/decorators/vary.py", line 19, in inner_func response = func(*args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/resources/base.py", line 195, in __call__ request, method, view, api_format=api_format, *args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/resources/mixins/api_tokens.py", line 65, in call_method_view return view(request, *args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/resources/base.py", line 463, in put return self.update(request, *args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/decorators.py", line 120, in _call return view_func(*args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/reviewboard/webapi/decorators.py", line 125, in _check return view_func(*args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/decorators.py", line 120, in _call return view_func(*args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/decorators.py", line 141, in _checklogin return view_func(*args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/decorators.py", line 120, in _call return view_func(*args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/decorators.py", line 120, in _call return view_func(*args, **kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/djblets/webapi/decorators.py", line 301, in _validate return view_func(*args, **new_kwargs) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/reviewboard/webapi/resources/review_request.py", line 841, in update rich_text=close_description_rich_text) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/reviewboard/reviews/models/review_request.py", line 739, in close type=type) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/venv/lib/python2.7/site-packages/django/dispatch/dispatcher.py", line 185, in send response = receiver(signal=self, sender=sender, **named) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/reviewboard/notifications/webhooks.py", line 196, in review_request_closed_cb dispatch_webhook_event(request, webhook_targets, event, payload) File "/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/reviewboard/notifications/webhooks.py", line 142, in dispatch_webhook_event urlopen(Request(webhook_target.url, body, headers)) File "/opt/reviewboard-2.5-0/python/lib/python2.7/urllib2.py", line 154, in urlopen return opener.open(url, data, timeout) File "/opt/reviewboard-2.5-0/python/lib/python2.7/urllib2.py", line 431, in open response = self._open(req, data) File "/opt/reviewboard-2.5-0/python/lib/python2.7/urllib2.py", line 449, in _open '_open', req) File "/opt/reviewboard-2.5-0/python/lib/python2.7/urllib2.py", line 409, in _call_chain result = func(*args) File "/opt/reviewboard-2.5-0/python/lib/python2.7/urllib2.py", line 1227, in http_open return self.do_open(httplib.HTTPConnection, req) File "/opt/reviewboard-2.5-0/python/lib/python2.7/urllib2.py", line 1197, in do_open raise URLError(err) URLError: <urlopen error [Errno 111] Connection refused> <WSGIRequest path:/reviewboard/api/review-requests/438/, GET:<QueryDict: {}>, POST:<QueryDict: {u'status': [u'submitted'], u'api_format': [u'json']}>, COOKIES:{'50200000_clogin': 'l=1450772975&v=1&e=1450774778649', 'CoreID6': '46115918004114260672140&ci=50200000|ESTKCS', 'CoreM_State': '90~-1~-1~-1~-1~3~3~5~3~3~7~7~|~~|~~|~~|~||||||~|~~|~~|~~|~~|~~|~~|~~|~', 'CoreM_State_Content': '6~|~B1417B1ED807DAC4~4DA6F7D646B2100A~60A0ADF25298D863~930589EE360D39AB~FF1C4C8A1D4F9BEC~7ABC58E1025C795C~|~0~1~2~3~4~5', '_ga': 'GA1.2.237002653.1431951981', '_mkto_trk': 'id:685-NGF-137&token:_mch-redbend.com-1456394352819-60141', 'collapsediffs': 'True', 'csrftoken': '6xqphC46vlQ3mjtVrg3nXH2Vwicjz1W2', 'rbsessionid': '76ki5nln91jrlzhlukk2t2qbomkxli6v', 'utag_main': 'v_id:01501831e3f6001ab658f38241490606c007206400bd0$_sn:4$_ss:0$_st:1450774778377$_pn:3%3Bexp-session$ses_id:1450772975338%3Bexp-session$dc_visit:1$dc_event:3%3Bexp-session$dc_region:eu-west-1%3Bexp-session'}, META:{'CONTENT_LENGTH': '32', 'CONTENT_TYPE': 'application/x-www-form-urlencoded', 'CONTEXT_DOCUMENT_ROOT': '/opt/reviewboard-2.5-0/apache2/htdocs', 'CONTEXT_PREFIX': '', 'DOCUMENT_ROOT': '/opt/reviewboard-2.5-0/apache2/htdocs', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_ACCEPT': 'application/json, text/javascript, */*; q=0.01', 'HTTP_ACCEPT_ENCODING': 'gzip, deflate, sdch', 'HTTP_ACCEPT_LANGUAGE': 'en-US,en;q=0.8,he;q=0.6', 'HTTP_CONNECTION': 'keep-alive', 'HTTP_COOKIE': 'rbsessionid=76ki5nln91jrlzhlukk2t2qbomkxli6v; CoreID6=46115918004114260672140&ci=50200000|ESTKCS; utag_main=v_id:01501831e3f6001ab658f38241490606c007206400bd0$_sn:4$_ss:0$_st:1450774778377$_pn:3%3Bexp-session$ses_id:1450772975338%3Bexp-session$dc_visit:1$dc_event:3%3Bexp-session$dc_region:eu-west-1%3Bexp-session; 50200000_clogin=l=1450772975&v=1&e=1450774778649; CoreM_State=90~-1~-1~-1~-1~3~3~5~3~3~7~7~|~~|~~|~~|~||||||~|~~|~~|~~|~~|~~|~~|~~|~; CoreM_State_Content=6~|~B1417B1ED807DAC4~4DA6F7D646B2100A~60A0ADF25298D863~930589EE360D39AB~FF1C4C8A1D4F9BEC~7ABC58E1025C795C~|~0~1~2~3~4~5; collapsediffs=True; _ga=GA1.2.237002653.1431951981; _mkto_trk=id:685-NGF-137&token:_mch-redbend.com-1456394352819-60141; csrftoken=6xqphC46vlQ3mjtVrg3nXH2Vwicjz1W2', 'HTTP_HOST': 'ilreviewb.redbend.com:8080', 'HTTP_ORIGIN': 'http://ilreviewb.redbend.com:8080', 'HTTP_REFERER': 'http://ilreviewb.redbend.com:8080/reviewboard/r/438/', 'HTTP_USER_AGENT': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36', 'HTTP_X_REQUESTED_WITH': 'XMLHttpRequest', 'LD_LIBRARY_PATH': '/opt/reviewboard-2.5-0/sqlite/lib:/opt/reviewboard-2.5-0/python/lib:/opt/reviewboard-2.5-0/apache2/lib:/opt/reviewboard-2.5-0/common/lib:/opt/reviewboard-2.5-0/sqlite/lib:/opt/reviewboard-2.5-0/python/lib:/opt/reviewboard-2.5-0/apache2/lib:/opt/reviewboard-2.5-0/common/lib:/opt/reviewboard-2.5-0/git/lib:/opt/reviewboard-2.5-0/apps/django/lib/python2.7/site-packages:/opt/reviewboard-2.5-0/memcached/lib:/opt/reviewboard-2.5-0/python/lib:/opt/reviewboard-2.5-0/mysql/lib:/opt/reviewboard-2.5-0/subversion/lib:/opt/reviewboard-2.5-0/sqlite/lib:/opt/reviewboard-2.5-0/apache2/lib:/opt/reviewboard-2.5-0/common/lib:', u'LOCAL_SITE': None, 'PATH_INFO': u'/reviewboard/api/review-requests/438/', 'PATH_TRANSLATED': '/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/rb-sites/reviewboard/htdocs/reviewboard.wsgi/reviewboard/api/review-requests/438/', 'QUERY_STRING': '', 'REMOTE_ADDR': '10.82.70.54', 'REMOTE_PORT': '62723', 'REQUEST_METHOD': 'PUT', 'REQUEST_SCHEME': 'http', 'REQUEST_URI': '/reviewboard/api/review-requests/438/', 'SCRIPT_FILENAME': '/opt/reviewboard-2.5-0/apps/reviewboard/htdocs/rb-sites/reviewboard/htdocs/reviewboard.wsgi', 'SCRIPT_NAME': u'', 'SERVER_ADDR': '10.82.73.138', 'SERVER_ADMIN': 'y...@example.com', 'SERVER_NAME': 'SERVER_PORT': '8080', 'SERVER_PROTOCOL': 'HTTP/1.1', 'SERVER_SIGNATURE': '', 'SERVER_SOFTWARE': 'Apache', u'USERNAME': u'admin', u'USER_EMAIL': 'mod_wsgi.application_group': 'localhost:8080|', 'mod_wsgi.callable_object': 'application', 'mod_wsgi.enable_sendfile': '0', 'mod_wsgi.handler_script': '', 'mod_wsgi.input_chunked': '0', 'mod_wsgi.listener_host': '', 'mod_wsgi.listener_port': '8080', 'mod_wsgi.process_group': 'wsgi-reviewboard', 'mod_wsgi.queue_start': '1457853609035814', 'mod_wsgi.request_handler': 'wsgi-script', 'mod_wsgi.script_reloading': '1', 'mod_wsgi.version': (3, 5), 'wsgi.errors': <mod_wsgi.Log object at 0x7ffc1e9d0d30>, 'wsgi.file_wrapper': <built-in method file_wrapper of mod_wsgi.Adapter object at 0x7ffc1ebf66c0>, 'wsgi.input': <mod_wsgi.Input object at 0x7ffc1e098630>, 'wsgi.multiprocess': True, 'wsgi.multithread': True, 'wsgi.run_once': False, 'wsgi.url_scheme': 'http', 'wsgi.version': (1, 0)}> -- Supercharge your Review Board with Power Pack: https://www.reviewboard.org/powerpack/ Want us to host Review Board for you? 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