Hi Greg after applying the patch I get this exception, please help
tasks = q.lease_tasks(3600, 20)
File "C:\Program Files\Google\google_appengine\google\appengine\api
\taskqueue\taskqueue.py", line 1041, in lease_tasks
response)
File "C:\Program Files\Google\google_appengine\google\appengine\api
\apiproxy_stub_map.py", line 94, in MakeSyncCall
return stubmap.MakeSyncCall(service, call, request, response)
File "C:\Program Files\Google\google_appengine\google\appengine\api
\apiproxy_stub_map.py", line 308, in MakeSyncCall
rpc.CheckSuccess()
File "C:\Program Files\Google\google_appengine\google\appengine\api
\apiproxy_rpc.py", line 156, in _WaitImpl
self.request, self.response)
File "C:\Program Files\Google\google_appengine\google\appengine\ext
\remote_api\remote_api_stub.py", line 177, in MakeSyncCall
self._MakeRealSyncCall(service, call, request, response)
File "C:\Program Files\Google\google_appengine\google\appengine\ext
\remote_api\remote_api_stub.py", line 197, in _MakeRealSyncCall
raise pickle.loads(response_pb.exception())
error: unpack requires a string argument of length 8
Thanks
Uri
On May 17, 11:04 pm, "Greg Darke (Google)" <[email protected]>
wrote:
> Ah,
>
> Thanks Robert. This is fixed with the next release of the SDK. Until
> it is released you can use Robert's patch or the production
> environment.
>
> On 17 May 2011 09:03, Robert Kluin <[email protected]> wrote:
>
>
>
>
>
>
>
> > Hi Uri,
> > It looks like the remote_api doesn't support lease_tasks. You
> > should be able to enable leasing and deleting tasks by adding the
> > following lines to the taskqueue service list:
>
> > 'QueryAndOwnTasks':
> > (taskqueue_service_pb.TaskQueueQueryAndOwnTasksRequest,
>
> > taskqueue_service_pb.TaskQueueQueryAndOwnTasksResponse),
> > 'Delete': (taskqueue_service_pb.TaskQueueDeleteRequest,
> > taskqueue_service_pb.TaskQueueDeleteResponse),
>
> > Just put those after 'FetchQueueStats' (should be around line 110) in:
> > google_appengine/google/appengine/ext/remote_api/remote_api_services.py
>
> > Attached is a patch file. This worked in my local testing at least. :)
>
> > Robert
>
> > On Tue, May 17, 2011 at 07:09, uri twig <[email protected]> wrote:
> >> Thanks Greg
>
> >> That works OK.
>
> >> I have another problem: i have two back ends 1 'tester' inserts tasks
> >> to a queue with 'PULL' method.
> >> and another 'worker' that leases the tasks and process them. the
> >> 'tester' backend works fine.
> >> the 'worker' I get an exception at lease_tasks function
>
> >> the stack is as follows:
>
> >> [Remote API Server] [handler.py:308] ERROR Exception while handling
> >> service_name: "taskqueue"
> >> method: "QueryAndOwnTasks"
> >> request: "\n\011workitems\021\000\000\000\000\000 \254@\030d"
> >> Traceback (most recent call last):
> >> File "C:\Program Files\Google\google_appengine\google\appengine\ext
> >> \remote_api\handler.py", line 304, in post
> >> response_data = self.ExecuteRequest(request)
> >> File "C:\Program Files\Google\google_appengine\google\appengine\ext
> >> \remote_api\handler.py", line 324, in ExecuteRequest
> >> raise apiproxy_errors.CallNotFoundError()
> >> CallNotFoundError
> >> [Backend Instance] [worker.0] [utilities.py:143] ERROR ***worker***
> >> CallNotFoundError
>
> >> Traceback (most recent call last):
> >> File "D:\vodio\trunk\Software\Samples\backends\test-backends
> >> \worker.py", line 48, in main
> >> tasks = q.lease_tasks(3600, 100)
> >> File "C:\Program Files\Google\google_appengine\google\appengine\api
> >> \taskqueue\taskqueue.py", line 1041, in lease_tasks
> >> response)
> >> File "C:\Program Files\Google\google_appengine\google\appengine\api
> >> \apiproxy_stub_map.py", line 94, in MakeSyncCall
> >> return stubmap.MakeSyncCall(service, call, request, response)
> >> File "C:\Program Files\Google\google_appengine\google\appengine\api
> >> \apiproxy_stub_map.py", line 308, in MakeSyncCall
> >> rpc.CheckSuccess()
> >> File "C:\Program Files\Google\google_appengine\google\appengine\api
> >> \apiproxy_rpc.py", line 156, in _WaitImpl
> >> self.request, self.response)
> >> File "C:\Program Files\Google\google_appengine\google\appengine\ext
> >> \remote_api\remote_api_stub.py", line 177, in MakeSyncCall
> >> self._MakeRealSyncCall(service, call, request, response)
> >> File "C:\Program Files\Google\google_appengine\google\appengine\ext
> >> \remote_api\remote_api_stub.py", line 197, in _MakeRealSyncCall
> >> raise pickle.loads(response_pb.exception())
> >> CallNotFoundError
>
> >> On May 17, 12:44 am, "Greg Darke (Google)" <[email protected]>
> >> wrote:
> >>> In the dev-appserver you need to pass the '--backends' parameter.
>
> >>> On 15 May 2011 11:07, uri twig <[email protected]> wrote:
>
> >>> > Hi I'm tring to work with the new backends api, I downloaded the
> >>> > sample code formhttp://backends-io.appspot.com/
>
> >>> > and I run it on a few machines with the new appengine 1.5 sdk
>
> >>> > this is what I get whenhttp://localhost:8080/welcome
>
> >>> > What am I'm doing wrong ?!?
>
> >>> > Traceback (most recent call last):
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\tools
> >>> > \dev_appserver.py", line 4053, in _HandleRequest
> >>> > self._Dispatch(dispatcher, self.rfile, outfile, env_dict)
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\tools
> >>> > \dev_appserver.py", line 3977, in _Dispatch
> >>> > base_env_dict=env_dict)
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\tools
> >>> > \dev_appserver.py", line 588, in Dispatch
> >>> > base_env_dict=base_env_dict)
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\tools
> >>> > \dev_appserver.py", line 3050, in Dispatch
> >>> > self._module_dict)
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\tools
> >>> > \dev_appserver.py", line 2954, in ExecuteCGI
> >>> > reset_modules = exec_script(handler_path, cgi_path, hook)
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\tools
> >>> > \dev_appserver.py", line 2834, in ExecuteOrImportScript
> >>> > exec module_code in script_module.__dict__
> >>> > File "D:\test\counter_demo\demo_frontend.py", line 22, in <module>
> >>> > backends.get_url('counter'))
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\api
> >>> > \backends\backends.py", line 101, in get_url
> >>> > return _get_dev_url(backend, instance)
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\api
> >>> > \backends\backends.py", line 171, in _get_dev_url
> >>> > return 'http://%s' % _get_dev_hostname(backend, instance)
> >>> > File "C:\Program Files\Google\google_appengine\google\appengine\api
> >>> > \backends\backends.py", line 190, in _get_dev_hostname
> >>> > raise InvalidBackendError(error)
> >>> > InvalidBackendError: Backend not found: counter
>
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>
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