google-app-engine

Adding a subdomain to my google app engine project?

Hi, I created a google app engine project. I just successfully mapped it to a new domain. The name of my project is "grape". So by default, it is published at http://www.grape.appspot.com. I mapped it to http://www.grape.com, which is terrific. Now I'd like to create a new app engine project, and have it mapped to: http://api.grape.co...

Using Java Executor on AppEngine causes AccessControlException

How do you get java.util.concurrent.Executor or CompletionService to work on Google AppEngine? The classes are all officially white-listed, but I get a runtime security error when trying to submit asynchronous tasks. Code: // uses the async API but this factory makes it so that tasks really // happen sequentially Executor ...

Rails on Google App Engine - Error on OS X development machine

Hi, I'm running through the Ruby on Rails tutorial at http://guides.rubyonrails.org/getting_started.html (adjusting where appropriate for Google's App Engine). All is well up till section 6.3: when I try to click "New Post", I get the following error: Internal Server Error (500) Request Method: GET Request URL: http://localhost:8...

ImportError: No module named _sqlite3

I'm writing for the Google App Engine and my local tests are getting the following error: --> --> --> Traceback (most recent call last): File "C:\Program Files\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 3185, in _HandleRequest self._Dispatch(dispatcher, self.rfile, outfile, env_dict) File "C:\Progra...

Redirecting domain (not google apps) to appengine

Hi, I'm building a application that supports different domains. A small CMS that supports different domains. But what I can't figure out is how to redirect other domains that's outside google apps. I have a domain at google apps, that work's perfectly. When I create a cname that points at either my appid.appspot.com or www.appsdomain....

Good way of implementing a twitter-like follower system?

Hi, I'm trying to create a twitter-like follower system (users can follow one another). I'm confused about a good way to store the follower relationships. I'm using JDO (on google app engine). The first thing that comes to mind is to keep a Set for followers, and the ppl you are following. Something like: class User { private Stri...

Collapsing multiple trips to the datastore into a single trip?

Hi, Is there a way to merge multiple trips to the datastore into one trip? I have something like this: class User { @PrimaryKey private String mUsername; } class Horse { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) private Key mKey; @Persistent private String mOwnerUsername; } cla...

How to create local copy of GAE datastore?

I want to make client version of GAE app that store exact data of online version.(myapp.appspot.com) If i can use sdk instead, is any library or tools to sync online and sdk version? I try using bulkloader but i can't load downloaded data to local SDK? Please help. ...

Appengine filter inequality and ordering fails

I think I'm overlooking something simple here, I can't imagine this is impossible to do. I want to filter by a datetime attribute and then order the result by a ranking integer attribute. When I try to do this: query.filter("submitted >=" thisweek).order("ranking") I get the following: BadArgumentError: First ordering property mus...

how to get size of entity in google app engine without fetching the entity ?

how to get size of entity in google app engine without fetching the entity ( with only key ? ) ? ...

where is the data store when i using google-app-engine on localhost..

i want to find the data on my disk thanks ...

google-app-engine deploy error..

2010-04-20 15:33:39,421 WARNING appengine_rpc.py:399 ssl module not found. Without the ssl module, the identity of the remote host cannot be verified, and connections may NOT be secure. To fix this, please install the ssl module from http://pypi.python.org/pypi/ssl . To learn more, see http://code.google.com/appengine/kb/general.html#rpc...

Google AppEngine with Silverlight client using Google Login

I'd like to use Google AppEngine with Silverlight client. I'm hoping to use the Google login authentication mechanism within the Silverlight client. Is this possible? Does anyone have any example sites where a RIA client used in conjunction with Google AppEngine security? Thanks. ...

Google app engine sessions now supported???

Hi, I thought google app engine did not support sessions (last time I checked was a few months ago). Now I was searching again for it and saw this: http://code.google.com/appengine/docs/java/config/appconfig.html#Enabling_Sessions says it supports: javax.servlet.http.HttpSession does this mean we have servlet session support now? ...

Subqueries on Java GAE Datastore

I am trying to create a database of users with connection between users (friends list). There are 2 main tables: UserEntity (main field id) and FriendEntity with fields: - initiatorId - id of user who initiated the friendship - friendId - id of user who has been invited. Now I am trying to fetch all friends of one particular user and ...

google-app-engine: json module

Hey i'm using JSON with appengine. I'm using json for comunication, so in the python side i have import json the error i'm getting is this: <class 'django.core.exceptions.ViewDoesNotExist'>: Could not import views.ganttapp. Error was: No module named json In my stand alone this works great, is there any problem with json on the ap...

Google App Engine Java app couldn't find javac ?

I'm learning to use Google App Engine, I installed it in Netbeans, the project works, but when I clicked on "Deploy To Google App Engine", I got the following error : Beginning server interaction for ... 0% Creating staging directory 5% Scanning for jsp files. 8% Compiling jsp files. 11% Compiling java files. Error Details: Apr 20...

Integrate openid4java to GWT Project

Hi, I created an GWT project in eclipse. Now I tried to implement openId with using the openid4java library. I imported the .jar files via properties-->java build path: openid4java-0.9.5.jar lib/*.jar In addition I copied the .jar files into the war/WEB-INF/lib directory. The problem at hand comes up when I call the authenticate...

Extend django.core.paginator Paginator to work with Google App Engine

How would one extend the Paginator class in django.core.paginator to work with Google App Engine queries? ...

Sending a password securely using gwt and app engine?

Hi, I set up session handling on a google app project. This is supposed to allow my users to login and maintain state across pages. I just dumped it into the default greeting service to try it out: public class GreetingServiceImpl extends RemoteServiceServlet implements GreetingService { public void sessionTest(String username) { ...