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Google App Engine is a cloud computing technology for hosting web applications in Google-managed data centers. Google App Engine is a Platform as a Service (PaaS) offering for Java, Python, Go (experimental) and PHP (beta).

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Extracting images from pptx with apache poi in google app engine using java

I think google image api is not sufficient to solve this problem.
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Work with Modules & Route Limits in AppEngine

I am breaking down my mammoth application into smaller modules so that they can load up faster. I anticipate at least 20-25 various modules. Each module is individually developed and deployed to ...
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8 views

AppEngine full-text-search queries inconsistent for devserver/unit test environment

I've noticed an odd behavior of the "production" full-text-search functionality of AppEngine: 1) I build a text search index in App Engine with a field like "full_name" with values like "Kenny G" or ...
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App Engine JDO datastore query returning stale data – 2 hours old

I'm seeing hours-old stale data in JDO queries, and queries from the App Engine Datastore Viewer control panel: . . . Compare that to the following, on the entity edit screen (which presumably ...
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16 views

Google App Engine index inconsistent hours after put

I'm having a consistency problem on App Engine I'm not sure how to address. I've performed a query, selected an entity from the result, edited it and saved. All, using the low level Java API. ...
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0answers
19 views

Why would an App Engine datastore entity have different value when it shows up in a query than when it is accessed directly?

I have a saved entity in app engine that shows a different value for the status field when it shows up in a query than when I access it directly. I've flushed the cache several times in the admin page ...
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1answer
30 views

Index aren't being updated for GAE data store

I have a BoardPost entity with an index on created_at. I am able to create this entity and fetch it by key, but when I try to fetch all objects within the last 24 hours and sorted by created_at, I ...
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0answers
10 views

Error 1049: database unknown on deploying app on GAE python

On ubuntu, I am trying to deploy an app on GAE python. I have also connected mysql client to it through these lines: if (os.getenv('SERVER_SOFTWARE') and ...
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2answers
17 views

Attempting to fix performance issues with Google App Engine - issues scaling up instance class

Our Google App Engine app is running very slowly, and I'm attempting to solve the problem by following the steps found here: https://cloud.google.com/appengine/docs/adminconsole/performancesettings ...
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10 views

How to create and provide an entity-type input to an Endpoints backend API method called from an ios project

When using the Google Endpoints Technology, a method return type as well as the request body of an API request must be an entity type. I have 2 API methods: one of them returns an entity and expects ...
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3answers
19 views

Can I use AllocateIDs as “string” ? datastore

I need to assign a unique identifier to each entity in datastore. I've found AllocateIDs but the issue is that it generates integers and I use strings for the keys. Is it safe to convert the integer ...
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0answers
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GAE Cloud Endpoints custom API public api key issues

I've exposed a few APIs using go-endpoints. The APIs work fine, but what I'd like to do is restrict usage of the APIs to only a few referers. Since I'm not passing any authentication information, I do ...
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2answers
13 views

Upload file to google drive using cron and google app engine

I studied and could successfully replicate the quickstart.py example on https://developers.google.com/drive/web/quickstart/quickstart-python to upload a file to my google drive using command line. ...
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0answers
10 views

GAE python webapp2 authentication setting max token age

I'm using webapp2 authentication based on the following article: http://blog.abahgat.com/2013/01/07/user-authentication-with-webapp2-on-google-app-engine/ Currently once a user has logged in, he will ...
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1answer
16 views

Outgoing bandwidth includes EdgeCache hits?

What is counted as "Outgoing Bandwidth" when running an GAE app? Setting proper cache headers on responses from the server, the response should be cached and served from the "Google Global Cache", ...
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1answer
22 views

Service accounts inconsistencies

In last few days I was trying to consolidate projects in google developers console. I found inconsistencies mostly in permissions (service accounts) and credentials. When new project is created it ...
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0answers
23 views

New entity without ancestors caused “Too much contention” error

Today my live Python application on App Engine had about 100 requests within a ten minute period for which an exception was thrown when writing a new entity to the datastore, due to "too much ...
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0answers
13 views

How to monitor Google App Engine Queue size over time?

The Google App Engine developer console allows you to easier monitor instantaneous queue size for an app. How can you simply view queue size over time? For context: the backend process off our ...
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1answer
10 views

GAE cron request limit

I'm currently developing an GAE cron application which calls the directory API to fetch some user data and then updates the user email signature using that data. My problem is the 10 min limit of a ...
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1answer
27 views

How to update data in appengine datastore programmatically?

I just started to use appengine datastore and looking for a way to update the data while fetching it. Here is the code: DatastoreService datastore = DatastoreServiceFactory.getDatastoreService(); ...
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0answers
13 views

accessing mysql database on Google app engine

I have created a MySQL database on my Google app engine .and now i wish to retrieve rows of it (query) using a java application on net beans , can anyone please provide a sample code on how to ...
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1answer
24 views

Examples of API key usage and checking?

In the Google Developers Console, one can read an API key for public access to their own API. When creating this API key you can specify what referrers are to be used with what keys. I've looked ...
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0answers
10 views

GAE Session id mismatch

I am running into an issue with GAE and session management. I have an endpoint that creates and stores user information in a session upon successful login. However, I am unable to retrieve the ...
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1answer
23 views

What is different about the Jenkins Build environment than regular?

I have a mac pro set up, and whenever i run a gradle command for a Google App Engine java project: ./gradlew run -DmainClassName=MyScript It runs just fine. however, whenever I run the exact same ...
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2answers
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What's the KEY_RESERVED_PROPERTY equivalent for the Go API ? datastore

I need to check the existence of a key (i.e. an username). It seems that KEY_RESERVED_PROPERTY is a special key available for the java api that you can use to achieve the best performance and strong ...
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1answer
18 views

GAE app main.py request handlers

I have been following a GAE/Jinja2 tutorial, and thankfully it incorporates a feature I have been struggling with within GAE, which is how to link the html pages using the main.py file so they can be ...
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1answer
31 views

404 Error when running TicTacToe sample (Android) against sample Google App Engine project (Java)

I set up the Android App and Google App Engine backend as seen in these two projects: Android Connected App Engine Project Java App Engine Backend Project When I click a TicTacToe-field button, ...
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1answer
20 views

Is there any feature/API of sendgrid that is not offered in its integration with Google App Engine?

Sendgrid is its only standalone product. Then there is Sendgrid integrated with Google App Engine. Is there any feature or API available in standalone Sendgrid (E.g. Event API / Webhooks) that is ...
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1answer
16 views

Using the Blobstore API with Google Cloud Storage with dynamic html

I am looking for some assistance on how to implement dynamic html content using blostore api with Google Cloud Storage. Currently our site rely's on CloudStorage where all our static content (html5) ...
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1answer
20 views

BeanCreationException throwed when trying to run my project

I'm trying to develop a RESTful web service using Spring and then deploy it on Google App Engine. The client of the service will be an android application. I'm using spring and GAE for the first time ...
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1answer
16 views

Store images in datastore of GAE python while deploying web2py app

I am trying to deploy a web2py application on GAE. When run locally, a phone_details table is defined in db.py using this line ...
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1answer
17 views

How to setup a resident instance in google app engine?

Can someone please tell me how can i setup resident availability instance. The problem is that I can't find anywhere that instance slider. I have setup billing and did enabled it in app. Also you can ...
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0answers
43 views

Google APIs and extension force install list

I have an app on GAE in which I'm using the Google Directory API for retrieving organization units and users. I am wondering if this API or any other have the option to update the extension force ...
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0answers
17 views

Google App Engine JDO deletePersistent

I'm trying to delete a data from Google App Engine datastore. In GAE Tutorial, with below code I can delete a data. pm.deletePersistent(e); But when i try this, only content of this class is ...
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0answers
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google app engine paho import error

i am getting the following error message in google developers console logs Traceback (most recent call last): ...
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0answers
7 views

Should com.google.appengine:appengine-api-1.0-sdk be used with gradle-appengine-plugin?

I am trying to use the gradle appengine plugin with my project but packages from the SDK are not being resolved. I see many references around the web to the maven repository: ...
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2answers
48 views

Why the query doesn't return results when the ancestor is not provided?

Why the filter doesn't work when the ancestor is not specified? Isn't it supposed to work on entity type regardless the ancestor? My use case: I've set-up several entities with a parent key. The key ...
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1answer
12 views

How to deal with App Engine Devserver exception due to FormatStyle restricted class?

Developing a Google App Engine app with Spring MVC, the following exception presents itself while running the dev server on OSX: org.springframework.beans.factory.BeanCreationException: Error ...
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2answers
34 views

Google app engine subdirectory loads differently with trailing /

[Edit to be a little clearer:] I have a project hosted on Google App Engine (myappname.appspot.com)/ (myappname.com). So far so good. There's a root level, and a subdirectory called folder. The ...
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2answers
35 views

Proper way to migrate NDB model property

I currently have a model in NDB and I'd like to change the property name without necessarily touching NBD. Let's say I have the following: from google.appengine.ext import ndb class User(ndb.Model): ...
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0answers
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Google App Engine Android Tutorial method is undefined

The tutorial that Google gives for the App Engine is pretty straight forward copy paste code that they give you to st up the program. I was on the part where you copy the code from a file called ...
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0answers
13 views

Google App Engine project in Android Studio without Android?

Is is possible to use Android Studio to develop Google App Engine backends on its own? Everytime I create a new project it always asks me to choose a form factor, and refuses to allow me to proceed ...
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1answer
20 views

Tables not getting fetched when deploying web2py app on GAE

WHen I am trying to deploy a web2py app on google app engine, the tables which I defined using db.define.table are not getting imported as I am not able to retrieve any row from any of such tables. ...
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0answers
13 views

Using the Blobstore API with Google Cloud Storage - http 404 error message

Today if an url is incorrect, users get this display from my appengine instance: Error: Server Error The server encountered an error and could not complete your request. Please try again in 30 ...
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0answers
19 views

From Eclipse to Android studio: migrating an app-engine connected android project

Has anyone done this successfully and don't mind sharing their experiences? What are the gotchas? The difficult corners? In addition to being an App Engine Connected Android Project (AECAP), my ...
0
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1answer
30 views

PHP Fatal error: Undefined class constant 'WRITE_SCOPE'

I use PHP app in Google appengine, I'm trying to read a input file and write it to an output file in Storage bucket like below. $input_file = fopen('gs://mybucket/input.csv','r'); $output_file = ...
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0answers
11 views

Custom Runtime node.js - Can't see my custom logs in Google App Engine

We are using Google App Engine Custom Runtime to run our Node.js Serverside code for our mobile application. HTTP Request logging is working fine, but we are having problems with our custom logs. We ...
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1answer
25 views

GAE: How to find out which requests take a long time to complete?

Say that in a Google App Engine application (Java) some requests take a very long time to complete; perhaps some even time out after 30 seconds. Does the GAE Console (Dashboard, Monitoring or similar) ...
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0answers
13 views

Google App Engine Document Api Explorer

I'm developing an API with Google App Engine and I want to document the API like in the Google Calendar API: How can I do this? Should I add some reference to the @Api or @ApiMethod annotations? ...
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0answers
13 views

Can PHP's gettext extension be used on Google Cloud Platform / Google App Engine?

I am using the php_gettext extension in my project to translate strings using ".mo"-files. I am in the process of transferring the project to Google's Cloud Platform but apparently the php_gettext ...

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