first two mean the result of the query is empty. On Friday 06 June 2008 01:49:23 braydon fuller wrote: > I am having some database problems (attached below), any > recommendations to either recover from or fix these from happening? > I am not sure why it would work OK at first, and then at some point > run bad... Any recommendations on a technique to debug this would > be much appreciated. > > Full source code of the project can be browsed here: > http://git.braydon.com/gitweb.cgi?p=sparrow;a=tree;h=refs/heads/mas >ter;hb=refs/heads/master > > For an idea of the project (screencast... although slightly old): > http://interfce.com/videos/sparrow.html > > The site this is coming from (live): > http://mochilla.com/ > > > > > [05/Jun/2008:22:16:15] HTTP Traceback (most recent call last): > File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", > line 550, in respond > cherrypy.response.body = self.handler() > File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", > line 24, in __call__ > return self.callable(*self.args, **self.kwargs) > File "/var/local/mochilla/sparrow/http.py", line 38, in default > return render(args, kwargs, location_st) > File "/var/local/mochilla/sparrow/templates.py", line 363, in > render return render_skeleton(location, location_st, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 266, in > render_skeleton > body, cmds_array = compile_templates(location, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 192, in > compile_templates > doc = get_uri(location) > File "/var/local/mochilla/sparrow/uri.py", line 31, in get_uri > selected = > db.session.query(TemplateRelation).filter_by(location=uri)[0] File > "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", line > 844, in __getitem__ > return list(self[item:item+1])[0] > IndexError: list index out of range > > > > > 127.0.0.1 - - [05/Jun/2008:22:15:44] "GET / HTTP/1.0" 500 3293 "" > "" [05/Jun/2008:22:15:59] HTTP Traceback (most recent call last): > File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", > line 550, in respond > cherrypy.response.body = self.handler() > File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", > line 24, in __call__ > return self.callable(*self.args, **self.kwargs) > File "/var/local/mochilla/sparrow/http.py", line 38, in default > return render(args, kwargs, location_st) > File "/var/local/mochilla/sparrow/templates.py", line 363, in > render return render_skeleton(location, location_st, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 266, in > render_skeleton > body, cmds_array = compile_templates(location, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 252, in > compile_templates > data = search_list(doc.oid, doc.objects, location=location, > locations=locations, cmds_array=doc.cmds_array, kwargs=kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 172, in > search_list objects = object_children(object_oid) > File "/var/local/mochilla/sparrow/objects.py", line 39, in > object_children parent = get_object(oid) > File "/var/local/mochilla/sparrow/objects.py", line 31, in > get_object selected = > db.session.query(Objects).filter_by(oid=oid).one() File > "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", line > 927, in one > raise exceptions.InvalidRequestError('No rows returned for > one()') InvalidRequestError: No rows returned for one() > > > > > 127.0.0.1 - - [05/Jun/2008:18:15:08] "GET / HTTP/1.0" 200 24400 "" > "" [05/Jun/2008:18:15:09] HTTP Traceback (most recent call last): > File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", > line 550, in respond > cherrypy.response.body = self.handler() > File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", > line 24, in __call__ > return self.callable(*self.args, **self.kwargs) > File "/var/lib/python-support/python2.5/cherrypy/_cptools.py", > line 140, in handle_func > handled = self.callable(*args, **self._merged_args(kwargs)) > TypeError: staticfile() got multiple values for keyword argument > 'filename' > > > > > class 'sqlalchemy.exceptions.NoSuchColumnError'> > [05/Jun/2008:21:42:22] HTTP Traceback (most recent call last): > File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", > line 550, in respond > cherrypy.response.body = self.handler() > File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", > line 24, in __call__ > return self.callable(*self.args, **self.kwargs) > File "/var/local/mochilla/sparrow/http.py", line 38, in default > return render(args, kwargs, location_st) > File "/var/local/mochilla/sparrow/templates.py", line 346, in > render get_uri(location_id) > File "/var/local/mochilla/sparrow/uri.py", line 31, in get_uri > selected = > db.session.query(TemplateRelation).filter_by(location=uri)[0] File > "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", line > 844, in __getitem__ > return list(self[item:item+1])[0] > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 986, in iterate_instances > rows = [process[0](context, row) for row in fetch] > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 1551, in main > extension=context.extension, > only_load_props=context.only_load_props, > refresh_instance=context.refresh_instance > File > "/var/lib/python-support/python2.5/sqlalchemy/orm/mapper.py", line > 1380, in _instance > identitykey = self.identity_key_from_row(row) > File > "/var/lib/python-support/python2.5/sqlalchemy/orm/mapper.py", line > 915, in identity_key_from_row > return (self._identity_class, tuple([row[column] for column in > self.primary_key]), self.entity_name) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 1339, in __getitem__ > return self.__parent._get_col(self.__row, key) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 1594, in _get_col > type_, processor, index = self._key_cache[key] > File "/var/lib/python-support/python2.5/sqlalchemy/util.py", line > 113, in __missing__ > self[key] = val = self.creator(key) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 1491, in lookup_key > raise exceptions.NoSuchColumnError("Could not locate column in > row for column '%s'" % (str(key))) > NoSuchColumnError: "Could not locate column in row for column > 'template_relations.location'" > > > > > > [05/Jun/2008:04:49:50] HTTP Traceback (most recent call last): > File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", > line 550, in respond > cherrypy.response.body = self.handler() > File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", > line 24, in __call__ > return self.callable(*self.args, **self.kwargs) > File "/var/local/mochilla/sparrow/http.py", line 38, in default > return render(args, kwargs, location_st) > File "/var/local/mochilla/sparrow/templates.py", line 363, in > render return render_skeleton(location, location_st, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 266, in > render_skeleton > body, cmds_array = compile_templates(location, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 253, in > compile_templates > body = > render_template(settings.root.views_path+"/"+doc.template.source, > data) File "/var/local/mochilla/sparrow/templates.py", line 187, in > render_template > return t.respond() > File > "_var_local_mochilla_templates_table_of_contents_shop_tmpl.py", > line 92, in respond > File "/var/local/mochilla/sparrow/order.py", line 62, in > sort_by_order obj.order[0] > File > "/var/lib/python-support/python2.5/sqlalchemy/orm/attributes.py", > line 44, in __get__ > return self.impl.get(instance._state) > File > "/var/lib/python-support/python2.5/sqlalchemy/orm/attributes.py", > line 217, in get > def sethasparent(self, state, value): > File > "/var/lib/python-support/python2.5/sqlalchemy/orm/strategies.py", > line 471, in __call__ > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 687, in all > currenttables.append(join.right) > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 748, in __iter__ > raise exceptions.InvalidRequestError("Self-referential query on > '%s' property requires aliased=True argument." % str(prop)) > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 751, in _execute_and_instances > File > "/var/lib/python-support/python2.5/sqlalchemy/orm/session.py", line > 535, in execute > """Commit the current transaction in progress. > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 844, in execute > return Connection.executors[c](self, object, multiparams, > params) File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 895, in execute_clauseelement > return > self._execute_compiled(elem.compile(dialect=self.dialect, > column_keys=keys, inline=len(params) > 1), distilled_params=params) > File "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", > line 904, in _execute_compiled > context = self.__create_execution_context(compiled=compiled, > parameters=distilled_params) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 941, in __create_execution_context > self.close() > File > "/var/lib/python-support/python2.5/sqlalchemy/databases/mysql.py", > line 1458, in create_execution_context > if ssl: > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/default.py", > line 179, in __init__ > self.cursor = self.create_cursor() > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/default.py", > line 275, in create_cursor > def create_cursor(self): > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 583, in connection > self.__invalid = False > InvalidRequestError: Can't reconnect until invalid transaction is > rolled back > > > > > > 127.0.0.1 - - [05/Jun/2008:06:19:56] "GET / HTTP/1.0" 500 1911 "" > "" [05/Jun/2008:06:19:56] HTTP Traceback (most recent call last): > File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", > line 550, in respond > cherrypy.response.body = self.handler() > File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", > line 24, in __call__ > return self.callable(*self.args, **self.kwargs) > File "/var/local/mochilla/sparrow/http.py", line 38, in default > return render(args, kwargs, location_st) > File "/var/local/mochilla/sparrow/templates.py", line 363, in > render return render_skeleton(location, location_st, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 266, in > render_skeleton > body, cmds_array = compile_templates(location, kwargs) > File "/var/local/mochilla/sparrow/templates.py", line 192, in > compile_templates > doc = get_uri(location) > File "/var/local/mochilla/sparrow/uri.py", line 31, in get_uri > selected = > db.session.query(TemplateRelation).filter_by(location=uri)[0] File > "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", line > 844, in __getitem__ > return list(self[item:item+1])[0] > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 936, in __iter__ > return self._execute_and_instances(context) > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 939, in _execute_and_instances > result = self.session.execute(querycontext.statement, > params=self._params, mapper=self.mapper, > instance=self._refresh_instance) File > "/var/lib/python-support/python2.5/sqlalchemy/orm/session.py", line > 625, in execute > return self.__connection(engine, > close_with_result=True).execute(clause, params or {}) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 844, in execute > return Connection.executors[c](self, object, multiparams, > params) File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 895, in execute_clauseelement > return > self._execute_compiled(elem.compile(dialect=self.dialect, > column_keys=keys, inline=len(params) > 1), distilled_params=params) > File "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", > line 907, in _execute_compiled > self.__execute_raw(context) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 916, in __execute_raw > self._cursor_execute(context.cursor, context.statement, > context.parameters[0], context=context) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 960, in _cursor_execute > self._handle_dbapi_exception(e, statement, parameters, cursor) > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 844, in __getitem__ > return list(self[item:item+1])[0] > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 936, in __iter__ > return self._execute_and_instances(context) > File "/var/lib/python-support/python2.5/sqlalchemy/orm/query.py", > line 939, in _execute_and_instances > result = self.session.execute(querycontext.statement, > params=self._params, mapper=self.mapper, > instance=self._refresh_instance) File > "/var/lib/python-support/python2.5/sqlalchemy/orm/session.py", line > 625, in execute > return self.__connection(engine, > close_with_result=True).execute(clause, params or {}) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 844, in execute > return Connection.executors[c](self, object, multiparams, > params) File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 895, in execute_clauseelement > return > self._execute_compiled(elem.compile(dialect=self.dialect, > column_keys=keys, inline=len(params) > 1), distilled_params=params) > File "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", > line 907, in _execute_compiled > self.__execute_raw(context) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 916, in __execute_raw > self._cursor_execute(context.cursor, context.statement, > context.parameters[0], context=context) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 960, in _cursor_execute > self._handle_dbapi_exception(e, statement, parameters, cursor) > File > "/var/lib/python-support/python2.5/sqlalchemy/engine/base.py", line > 942, in _handle_dbapi_exception > raise exceptions.DBAPIError.instance(statement, parameters, e, > connection_invalidated=is_disconnect) > OperationalError: (OperationalError) (2013, 'Lost connection to > MySQL server during query') u'SELECT template_relations.location AS > template_relations_location, template_relati\ > ons.oid AS template_relations_oid, template_relations.vid AS > template_relations_vid, template_relations.children AS > template_relations_children \nFROM template_relations \nWHER\ > E template_relations.location = %s ORDER BY > template_relations.location \n LIMIT 0, 1' ['r'] > > > > > > > > > > > >
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