[tor-bugs] #4352 [Tor Weather]: Weather blows up with a stacktrace on locked database

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#4352: Weather blows up with a stacktrace on locked database
-------------------------+--------------------------------------------------
 Reporter:  kaner        |          Owner:  kaner
     Type:  defect       |         Status:  new  
 Priority:  normal       |      Milestone:       
Component:  Tor Weather  |        Version:       
 Keywords:               |         Parent:       
   Points:               |   Actualpoints:       
-------------------------+--------------------------------------------------
Description changed by arma:

Old description:

> This has been seen a few times recently:
>

> WARN [ Thu Oct 27 19:19:06 2011 ]: No event for: 650 NEWCONSENSUS
> Traceback (most recent call last):
>   File
> "/srv/weather.torproject.org/opt/weather/weather/TorCtl/TorCtl.py", line
> 535, in _eventLoop
>     self._handleFn(timestamp, reply)
>   File
> "/srv/weather.torproject.org/opt/weather/weather/TorCtl/TorCtl.py", line
> 1061, in _handle1
>     self._map1.get(event.event_name, self.unknown_event)(event)
>   File
> "/srv/weather.torproject.org/opt/weather/weather/weatherapp/listener.py",
> line 30, in new_consensus_event
>     updaters.run_all()
>   File
> "/srv/weather.torproject.org/opt/weather/weather/weatherapp/updaters.py",
> line 335, in run_all
>     email_list = update_all_routers(ctl_util, email_list)
>   File
> "/srv/weather.torproject.org/opt/weather/weather/weatherapp/updaters.py",
> line 263, in update_all_routers
>     if len(deployed_query) == 0:
>   File "/usr/lib/pymodules/python2.6/django/db/models/query.py", line 81,
> in __len__
>     self._result_cache = list(self.iterator())
>   File "/usr/lib/pymodules/python2.6/django/db/models/query.py", line
> 269, in iterator
>     for row in compiler.results_iter():
>   File "/usr/lib/pymodules/python2.6/django/db/models/sql/compiler.py",
> line 672, in results_iter
>     for rows in self.execute_sql(MULTI):
>   File "/usr/lib/pymodules/python2.6/django/db/models/sql/compiler.py",
> line 727, in execute_sql
>     cursor.execute(sql, params)
>   File "/usr/lib/pymodules/python2.6/django/db/backends/sqlite3/base.py",
> line 200, in execute
>     return Database.Cursor.execute(self, query, params)
> DatabaseError: database is locked
> Terminated

New description:

 This has been seen a few times recently:

 {{{
 WARN [ Thu Oct 27 19:19:06 2011 ]: No event for: 650 NEWCONSENSUS
 Traceback (most recent call last):
   File "/srv/weather.torproject.org/opt/weather/weather/TorCtl/TorCtl.py",
 line 535, in _eventLoop
     self._handleFn(timestamp, reply)
   File "/srv/weather.torproject.org/opt/weather/weather/TorCtl/TorCtl.py",
 line 1061, in _handle1
     self._map1.get(event.event_name, self.unknown_event)(event)
   File
 "/srv/weather.torproject.org/opt/weather/weather/weatherapp/listener.py",
 line 30, in new_consensus_event
     updaters.run_all()
   File
 "/srv/weather.torproject.org/opt/weather/weather/weatherapp/updaters.py",
 line 335, in run_all
     email_list = update_all_routers(ctl_util, email_list)
   File
 "/srv/weather.torproject.org/opt/weather/weather/weatherapp/updaters.py",
 line 263, in update_all_routers
     if len(deployed_query) == 0:
   File "/usr/lib/pymodules/python2.6/django/db/models/query.py", line 81,
 in __len__
     self._result_cache = list(self.iterator())
   File "/usr/lib/pymodules/python2.6/django/db/models/query.py", line 269,
 in iterator
     for row in compiler.results_iter():
   File "/usr/lib/pymodules/python2.6/django/db/models/sql/compiler.py",
 line 672, in results_iter
     for rows in self.execute_sql(MULTI):
   File "/usr/lib/pymodules/python2.6/django/db/models/sql/compiler.py",
 line 727, in execute_sql
     cursor.execute(sql, params)
   File "/usr/lib/pymodules/python2.6/django/db/backends/sqlite3/base.py",
 line 200, in execute
     return Database.Cursor.execute(self, query, params)
 DatabaseError: database is locked
 Terminated
 }}}

--

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4352#comment:2>
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