I'm frequently seeing tracebacks in the logs, presumable due to invalid input from bots. I'd like to see if there are simple changes we can make to avoid uncaught exceptions.
Here are some samples:
2015-05-11 10:04:51,726 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 143, in _rpc_process
rpcreq = req.rpc = protocol.parse_rpc_request(req, content_type)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/xml_rpc.py", line 118, in parse_rpc_request
raise ProtocolException(xmlrpclib.Fault(-32700, to_unicode(e)))
ProtocolException: <Fault -32700: u"int() argument must be a string or a number, not 'NoneType'">
2015-05-11 10:04:52,321 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 143, in _rpc_process
rpcreq = req.rpc = protocol.parse_rpc_request(req, content_type)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/xml_rpc.py", line 118, in parse_rpc_request
raise ProtocolException(xmlrpclib.Fault(-32700, to_unicode(e)))
ProtocolException: <Fault -32700: u"int() argument must be a string or a number, not 'NoneType'">
2015-09-16 13:10:55,566 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 143, in _rpc_process
rpcreq = req.rpc = protocol.parse_rpc_request(req, content_type)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/xml_rpc.py", line 118, in parse_rpc_request
raise ProtocolException(xmlrpclib.Fault(-32700, to_unicode(e)))
ProtocolException: <Fault -32700: u'no element found: line 1, column 0'>
2015-06-18 09:38:29,733 Trac[json_rpc] ERROR: RPC(json) decode error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/json_rpc.py", line 162, in parse_rpc_request
data = json.load(req, cls=TracRpcJSONDecoder)
File "/usr/lib/python2.6/json/__init__.py", line 267, in load
parse_constant=parse_constant, **kw)
File "/usr/lib/python2.6/json/__init__.py", line 318, in loads
return cls(encoding=encoding, **kw).decode(s)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/json_rpc.py", line 113, in decode
obj = json.JSONDecoder.decode(self, obj, *args, **kwargs)
File "/usr/lib/python2.6/json/decoder.py", line 319, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python2.6/json/decoder.py", line 338, in raw_decode
raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
2015-06-18 09:39:17,884 Trac[json_rpc] ERROR: RPC(json) decode error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/json_rpc.py", line 162, in parse_rpc_request
data = json.load(req, cls=TracRpcJSONDecoder)
File "/usr/lib/python2.6/json/__init__.py", line 267, in load
parse_constant=parse_constant, **kw)
File "/usr/lib/python2.6/json/__init__.py", line 318, in loads
return cls(encoding=encoding, **kw).decode(s)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/json_rpc.py", line 113, in decode
obj = json.JSONDecoder.decode(self, obj, *args, **kwargs)
File "/usr/lib/python2.6/json/decoder.py", line 319, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python2.6/json/decoder.py", line 336, in raw_decode
obj, end = self._scanner.iterscan(s, **kw).next()
File "/usr/lib/python2.6/json/scanner.py", line 55, in iterscan
rval, next_pos = action(m, context)
File "/usr/lib/python2.6/json/decoder.py", line 171, in JSONObject
raise ValueError(errmsg("Expecting property name", s, end))
ValueError: Expecting property name: line 1 column 1 (char 1)
2015-11-03 02:07:24,240 Trac[web_ui] ERROR: RPC(JSON-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 143, in _rpc_process
rpcreq = req.rpc = protocol.parse_rpc_request(req, content_type)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/json_rpc.py", line 176, in parse_rpc_request
raise JsonProtocolException(e, -32700)
JsonProtocolException: No JSON object could be decoded
2015-06-18 09:57:54,830 Trac[web_ui] ERROR: RPC(JSON-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args)
ServiceException: getAll() takes exactly 2 arguments (3 given)
2015-08-18 18:42:24,931 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/ticket.py", line 149, in get
t = model.Ticket(self.env, id)
File "build/bdist.linux-i686/egg/trac/ticket/model.py", line 85, in __init__
self._fetch_ticket(tkt_id)
File "build/bdist.linux-i686/egg/trac/ticket/model.py", line 124, in _fetch_ticket
id=tkt_id), _("Invalid ticket number"))
ResourceNotFound: Ticket 0 does not exist.
2016-03-17 14:02:10,087 Trac[web_ui] ERROR: RPC(JSON-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args)
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/wiki.py", line 109, in getPage
page = self._fetch_page(req, pagename, version)
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/wiki.py", line 71, in _fetch_page
raise ResourceNotFound(msg)
ResourceNotFound: Wiki page "ClansuiteTeam" does not exist
2016-03-17 14:02:10,734 Trac[web_ui] ERROR: RPC(JSON-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args)
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/ticket.py", line 400, in get
i = cls(self.env, name)
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/trac/ticket/model.py", line 1002, in __init__
name=name), _("Invalid milestone name"))
ResourceNotFound: Milestone Clansuite 0.2.2 does not exist.
2015-08-17 15:18:28,828 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 286, in get_method
raise MethodNotFound('RPC method "%s" not found' % method)
MethodNotFound: RPC method "wikiext.getChildren" not found
2016-01-06 13:40:37,804 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/api.py", line 286, in get_method
raise MethodNotFound('RPC method "%s" not found' % method)
MethodNotFound: RPC method "system.ticket.__repr__" not found
2016-01-06 13:40:44,529 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/api.py", line 286, in get_method
raise MethodNotFound('RPC method "%s" not found' % method)
MethodNotFound: RPC method "system.ticket.create" not found}
2015-09-15 07:12:49,986 Trac[web_ui] ERROR: RPC(JSON-RPC) Error
Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 339, in getAPIVersion
return map(int, tracrpc.__version__.split('-')[0].split('.'))
ServiceException: invalid literal for int() with base 10: 'post13776'
2015-12-18 16:39:33,790 Trac[web_ui] ERROR: RPC(XML-RPC) Error
Traceback (most recent call last): File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 158, in _rpc_process result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args) File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 339, in getAPIVersion return map(int, tracrpc.__version__.split('-')[0].split('.'))
ServiceException: invalid literal for int() with base 10: 'post13776'
2015-12-18 16:39:33,801 Trac[xml_rpc] ERROR: invalid literal for int() with base 10: 'post13776'2015-12-18 16:39:33,801 Trac[xml_rpc] ERROR: Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13
776-py2.6.egg/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args)
File "/srv/trac-hacks.org/pve/lib/python2.6/site-packages/TracXMLRPC-1.1.2_r13776-py2.6.egg/tracrpc/api.py", line 339, in getAPIVersion
return map(int, tracrpc.__version__.split('-')[0].split('.'))
ServiceException: invalid literal for int() with base 10: 'post13776'
2016-01-06 13:41:11,666 Trac[xml_rpc] ERROR: create() takes at least 4 arguments (2 given)
2016-01-06 13:41:11,666 Trac[xml_rpc] ERROR: Traceback (most recent call last):
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/web_ui.py", line 158, in _rpc_process
result = (XMLRPCSystem(self.env).get_method(method_name)(req, args))[0]
File "/srv/trac-hacks.org/pve/lib/python2.7/site-packages/tracrpc/api.py", line 197, in __call__
result = self.callable(req, *args)
ServiceException: create() takes at least 4 arguments (2 given)
See also #11799.
I haven't looked at the code yet, but I hope to provide a patch soon.
