[google-appengine] Re: Error creating Queue: googleapi: Error 400: Location 'us-west1' is not a valid location

[Vijay Chinthala]

Hi ajorda,

Thank you for your response, and creating a feature request, will follow on 
https://issuetracker.google.com/150847681

-Thanks
Vijay Chinthala

On Thursday, March 5, 2020 at 5:43:05 AM UTC-8, ajorda wrote:
>
> Hello Vijay,
>
>  
>
> Taking a look at the Cloud Tasks overview [1] you will see that Cloud 
> Tasks requires an App Engine app to be able to host the queues. If you take 
> a look at the currently available regions for GAE [2], you will see that 
> the region `us-west1` is not listed, therefore, you cannot host the Cloud 
> Tasks queues in that specific region.
>
>  
>
> I've noticed that you have created the following PIT [3] for this same 
> issue. I have created a Feature Request on your behalf [4] that you can use 
> to get the latest information from the GAE team. Notice that Feature 
> Requests have no ETA nor guarantee to be implemented.
>
>  
>
>
> [1] - https://cloud.google.com/tasks/docs/dual-overview
>
> [2] - https://cloud.google.com/appengine/docs/locations
>
> [3] - https://issuetracker.google.com/150801133
> [4] - https://issuetracker.google.com/150847681
>
>
> On Thursday, March 5, 2020 at 5:49:00 AM UTC+1, Vijay Chinthala wrote:
>>
>> Hi,
>>
>> I am creating a cloud task queue using location us-west1, but this 
>> location is not a valid location 
>> here are the app region list available, does any one had this issue? and 
>> why *us-west1* region is not available for app?
>>
>>
>> *$gcloud app regions list*
>>
>>
>> REGION   SUPPORTS STANDARD  SUPPORTS FLEXIBLE
>>
>> asia-east2   YESYES
>>
>> asia-northeast1  YESYES
>>
>> asia-northeast2  YESYES
>>
>> asia-northeast3  YESYES
>>
>> asia-south1  YESYES
>>
>> australia-southeast1 YESYES
>>
>> europe-west  YESYES
>>
>> europe-west2 YESYES
>>
>> europe-west3 YESYES
>>
>> europe-west6 YESYES
>>
>> northamerica-northeast1  YESYES
>>
>> southamerica-east1   YES    YES
>>
>> us-central   YESYES
>>
>> us-east1 YESYES
>>
>> us-east4 YESYES
>>
>> us-west2 YESYES
>>
>> us-west3 YESYES
>>
>>
>>  -Thanks
>>
>> Vijay
>>
>

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[google-appengine] Error creating Queue: googleapi: Error 400: Location 'us-west1' is not a valid location

[Vijay Chinthala]

Hi,

I am creating a cloud task queue using location us-west1, but this location 
is not a valid location 
here are the app region list available, does any one had this issue? and 
why *us-west1* region is not available for app?


*$gcloud app regions list*


REGION   SUPPORTS STANDARD  SUPPORTS FLEXIBLE

asia-east2   YESYES

asia-northeast1  YESYES

asia-northeast2  YESYES

asia-northeast3  YESYES

asia-south1  YESYES

australia-southeast1 YESYES

europe-west  YESYES

europe-west2 YESYES

europe-west3 YESYES

europe-west6 YESYES

northamerica-northeast1  YESYES

southamerica-east1   YESYES

us-central   YESYES

us-east1 YESYES

us-east4 YESYES

us-west2 YESYES

us-west3 YESYES


 -Thanks

Vijay

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[google-appengine] Re: Google App Engine is slow to deploy, hangs on "Updating service [someproject]..."

[Vijay M]

I have been struggling with the same issue. I tried deploying a very simple 
app and waited for several minutes before the process timed out. I even ran 
into the same timeout issue with Google's own samples from  

https://github.com/GoogleCloudPlatform/python-docs-samples/
appengine/flexible/hello_world

Coming from AWS, it has been very frustrating working with GCP. One more 
day of this and I am going back to AWS. 

On Thursday, September 29, 2016 at 12:48:26 PM UTC-7, Kevin Lau wrote:
>
>
> Is there a faster way to deploy an app? Google App Engine is slow to 
> deploy, hangs on "Updating service [someproject]..." I am using a flexible 
> environment with PHP.
>

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[google-appengine] Gain the Skills Needed to Immediately and Effectively Participate in Big Data and Data Science

[Kenuma Vijay]

*Data Science * and big data analytics is an 'open' 
course that provides an introduction to big data  and 
the Data Analytics Lifecycle to address business challenges that leverage 
big data. it provides grounding in basic and advanced analytic methods and 
an introduction to big data analytics technology and tools, including 
Hadoop,Mahout,Apache Solr,Apache Storm,Splunk,Cassandra,Hbase and Apache 
Spark, Scala  etc.



Start learning Big Data and Data Science  from 
basics to advance levels here...

> *https://goo.gl/wubxSk*

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[google-appengine] Gain the Skills Needed to Immediately and Effectively Participate in Big Data and Data Science

[Kenuma Vijay]

*Data Science * and big data analytics is an 'open' 
course that provides an introduction to big data  and 
the Data Analytics Lifecycle to address business challenges that leverage 
big data. it provides grounding in basic and advanced analytic methods and 
an introduction to big data analytics technology and tools, including 
Hadoop,Mahout,Apache Solr,Apache Storm,Splunk,Cassandra,Hbase and Apache 
Spark, Scala  etc.



Start learning Big Data and Data Science  from 
basics to advance levels here...

> *https://goo.gl/wubxSk*

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[google-appengine] About design of the application which supports mobile and web browser

[vijay kumar]

We are developing the application which supports both mobile and web 
application in google app engine. Most of the things are developed using 
google cloud endpoints, is there any performance effect using the endpoints 
in web applications. As an average we are using 10-15 endpoints in browser 
web page using google javascript endpoint library. these endpoints need to 
refresh data from server for certain interval of time. Is it causes 
performance effect.


Could you please suggest us, is there any better and securely implement 
applications which support both mobile and web application.

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[google-appengine] insert large content record in NDB at runtime ?

[Vijay Kumbhani]

hello, 

i am used large content file ( File Size : 4 kb)

i store file data in NDB Datastore

*code :*


*kindOfEntity = tableName*

*class DynamicEntity(ndb.Expando):*
*@classmethod*
*def _get_kind(cls):*
*return kindOfEntity*

*dbObjects = DynamicEntity()*
*dbObjData = {}*


*dbObjData ={}*

*dbObjData[key] = ndb.TextProperty(data[key])*

*dbObjects._set_attributes(dbObjData)*
*dbObjects.put()*


above code get error at dbObjData[key] = ndb.TextProperty(data[key])


*how we can assign text properies at runtime in NDB ? *

*pls help *

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[google-appengine] How to insert records more than 1000 in Google App Engine Datastore ?

[Vijay Kumbhani]

pls help

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[google-appengine] Is it possible delete record in Google Spreadsheet using OAuth 2.0 in GData library ?

[Vijay Kumbhani]

help me 

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[google-appengine] use O auth 2.0 in gspread library ?

[Vijay Kumbhani]

gspread library : https://github.com/burnash/gspread

give me,  one examples 

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Re: [google-appengine] LIKE Query in NDB

[Vijay Kumbhani]

thanks 

On Wednesday, 30 October 2013 17:49:15 UTC+5:30, barryhunter wrote:

 In general* you can't. 

 Instead have a look at
 https://developers.google.com/appengine/docs/python/search/






 * You can emulate some LIKE queries, notably case-sensitive, prefix 
 queries (ie BINARY LIKE 'Something%') with range queries, but far from 
 ideal. 



 On 30 October 2013 12:06, Vijay Kumbhani vnkum...@gmail.com javascript:
  wrote:

 please help 
 how to used like query in NDB Datastore 

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[google-appengine] LIKE Query in NDB

[Vijay Kumbhani]

please help 
how to used like query in NDB Datastore 

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[google-appengine] how to get all rows with include header in Google spreadsheet using gdata library ?

[Vijay Kumbhani]

*i get all rows in spreadsheet with including  header*

*OR*
 
*i get only header rows in Google spreadsheet not using cell *

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[google-appengine] how to update/copy from NDB Objects to local Objects?

[Vijay Kumbhani]

show in image 

in filterObj has many modules . it retrive :

*filterObj = records().query()*

i can define 

*new = {}*
*
*
*how to update ?*

i try below methods but not working
*
*
*1. new.update(filterObj._Query__filters)*
*2. new[_Query__filters] = []*
*new[_Query__filters] =  filterObj._Query__filters*
*
*
* get error...*

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attachment: Capture.PNG

[google-appengine] how to delete record in google spreadsheet using gdata ?

[Vijay Kumbhani]

help me ...

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[google-appengine] Problem in gdata library

[Vijay Kumbhani]

i fetch all rows in Google spreadsheet
but it get all rows if all cells between not empty rows
any empty row find ...
after do not fetch rows

please shown in image 

row number *2 *to *5 *retrieved 
but row number is *6 *empty 
then row number *7 *do not fetch 

how to fetch all rows?
please help 

another solution how to remove empty rows  

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[google-appengine] how to filter query using dynamic parameters in NDB ?

[Vijay Kumbhani]

*In Google NDB docs...*

   - *they are given statically examples in documents 
   *
   - *i have multiple AND  OR conditions then how to filter query using 
   dynamic parameters *
   

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[google-appengine] why required bind in GQL ?

[Vijay Kumbhani]

i used *ndb.gql *
give me examples 
without bound and with bound in GQL

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[google-appengine] How to access local class outside function ?

[Vijay Kumbhani]

*def myFunction(data):*
*class MyClass(ndb.Exapando):*
*def _get_kind(cls):*
* return data*


*above class can be used commonly in my application *
 
any idea,  how ?

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[google-appengine] update record using ndb.expando in python

[Vijay Kumbhani]

please help

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[google-appengine] Error : Key kind string must be a non-empty string up to 500bytes

[Vijay Kumbhani]

help

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[google-appengine] update/ filter record in datastore without use model class?

[Vijay Kumbhani]

dbObj = datastore.Query(data, {}) *# here data is table name *
dbObj.Run()
count = dbObj.Count()

*here, count is  0 because record is found*
*
*
key = id!=
value = 123
filterObj = { key : value }

dbObj.update(filterObj)
dbObj.Run()
count = dbObj.Count()

*here, count is 0*
*
*
*here, operator =  , =, =. !=, , =*
*but all operator not working*
*
*
*how to filter record without use GQLQuery and model class?*
*please somebody help
*

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[google-appengine] in datastore not working any operator kind less query?

[Vijay Kumbhani]

dbObj = datastore.Query(data, {}) # here data is table name 
dbObj.Run()
count = dbObj.Count()
here count is  0

but i find using operator in update method

filterObj = { key : value }
key = id!=
value = 123

dbObj.update(filterObj)
dbObj.Run()
count = dbObj.Count()
here, count is 0

here, operator =  , =, =. !=, , =
but all operator not working

how to filter record without use GQLQuery and model class?
please somebody help

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[google-appengine] Re: What is the best Python Framework for hosting on Google App Engine ?

[Vijay Kumbhani]

to use Webapp2 framework
in webapp2 framework all Google library support  

On Friday, 13 September 2013 11:40:25 UTC+5:30, Chitrank Dixit wrote:

 Hello Google Developers,

 We are developing a website on Google App Engine using Python. We have 
 analysed that the application would scale in the future and therefore we 
 want to use the best error free python web framework that should work on 
 NoSQL ( Redis, Datastore) and all other resources well. 

 So using Django for Redis and NoSQL is still tricky as the application 
 produce lots of bugs and if using Django and not able to use the resources 
 it provides then it is better to use some other framework if we need to 
 make the whole DB. So the next framework we are looking for is Flask.

 We have used Heroku and DigitalOcean before but many great sites like 
 Udacity, Khan Academy inspires to use the Google App Engine.

 We are planning to start a Google Cloud Platform Project, So please let us 
 know that Flask would meet out needs or not.

 *Regards*
 *Chitrank Dixit
 *
 *IIPS-DAVV
 *
 *Indore (M.P.) , India *
 *MCA
 *
 *trackleech.blogspot.in*



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[google-appengine] how to calculate GMT timestemp to apoch timestemp ?

[Vijay Kumbhani]

Give me algorithms 
how it calculate 

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[google-appengine] Re: how we can start Google app engine's web app via command line in windows

[Vijay Kumbhani]

On Saturday, 24 August 2013 10:09:51 UTC+5:30, Vijay Kumbhani wrote:

 please, give me proper syntax to start app engine app via command line in 
 my pc 



1. we start google app engine app via commnd line 
* Open cmd with administrator mode
2. To enter type Python command 

* if python command not exits then to type below following command 

commmnad syntax:
'enter Python exe path', 'enter google app engine path', 
'to check sdk update command', 'enter port', 'enter datastore port', 'to 
enter source code path'

command :
C:\Python27\python.exe C:\Program Files 
(x86)\Google\google_appengine\dev_appserver.py --skip_sdk_update_check=yes 
--port=8080 --admin_port=8000 D:\CloudWardbeta

* if python command exits then type below folloeing command 

commmnad syntax:
'python', 'enter google app engine path', 'to check sdk update command', 
'enter port', 'enter datastore port', 'to enter source code path'

command :
python C:\Program Files (x86)\Google\google_appengine\dev_appserver.py 
--skip_sdk_update_check=yes --port=8080 --admin_port=8000 D:\CloudWardbeta 

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Re: [google-appengine] how we can start Google app engine's web app via command line in windows

[Vijay Kumbhani]

 hi bro,

reply for thanks 
but i found another solution
go to below link
https://groups.google.com/d/msg/google-appengine/xqOyS2Fjc4U/CwCXkqo-GSQJ  

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[google-appengine] How to view Google datastore in locally ? and which structure used Google datastore ?

[Vijay Kumbhani]

For python ,

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[google-appengine] how we can start Google app engine's web app via command line in windows

[Vijay Kumbhani]

please, give me proper syntax to start app engine app via command line in 
my pc 

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[google-appengine] how can find version number of My app to created in Google app engine ?

[Vijay Kumbhani]

please , find version number of my app

i have created apps through Google app engine 
i am download source code through terminal on windows platform 

*
*
appcfg.py download_app -A vijaytestapp001  -V which version number put in 
newly created app  path*
*
*
*
which version put and i can download my source code .

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attachment: Capture.PNG

[google-appengine] Re: No App Engine Connected Android Project option in Eclipse???

[vijay sailappan]

Hi Weston/Sriram, are you able to see the menu option 'App engine connected 
android project'?

I'm having problems as described 
here: 
http://stackoverflow.com/questions/11276518/app-engine-connected-android-project-not-available/11382135#11382135

Thanks.

On Sunday, April 15, 2012 9:31:43 PM UTC-7, Sriram Saroop (Google) wrote:

 FYI - for GPE (Google Plugin for eclipse) issues, you can discuss them in 
 the GPE forumhttps://groups.google.com/forum/#!forum/google-plugin-eclipse
  (google-plugin-ecli...@googlegroups.com)

 - Sriram

 On Mon, Apr 16, 2012 at 9:33 AM, Sriram (Google) sar...@google.comwrote:

 Hi folks,
 1) Can you check if this option exists : New-Other-Google - App Engine 
 connected Android project ?
 2) If not, under About Eclipse - Installation Details - Installed 
 Software, check if the Google App Engine Tools for Android plugin has 
 been installed.

 Also, make sure that you install ADT *before* you install GPE, otherwise 
 the Google App Engine Tools for Android plugin won't be installed.
 The installation instructions are here: 
 https://developers.google.com/eclipse/docs/appeng_android_install_setup#install

 Regards,
 Sriram

 On Sunday, 15 April 2012 06:49:17 UTC+5:30, David Scott wrote:

 Did you end up solving this? I'm having the same problem

 On Wednesday, 21 September 2011 21:50:47 UTC+10, Blue wrote:

 Hi! 

 I'm trying to create an App Engine Connected Android Project in 
 eclipse, but that option is missing in new project menu. (like here: 
 http://bradabrams.com/2011/05/**google-io-session-overview-**
 android-app-engine-a-**developers-dream-combination/http://bradabrams.com/2011/05/google-io-session-overview-android-app-engine-a-developers-dream-combination/)
  

 I have updated all eclipse plugins, but still nothing. (GPE v2.4, ADT 
 v12.0) 

 Please help. 
 Thanks, 
 Gregor




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[google-appengine] Not able to start Launcher on Ubuntu Natty

[Vijay]

- With Python 2.7, I was able to start ./GoogleAppEngineLauncher.py
but could not create a project as it throwed a error saying, cannot
copy templates 

--- After reading some link found that, SDK supports python 2.5
--  Installed Pyton 2.5.2
--- tried installing python-wxgtk2.5 python-wxtools wx2.5-i18n
-- Not successful

Can some help me

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[appengine-java] Parameter 0 of is of an unknown type 'java.lang.String/2004016611' - error when running through AppEngine+ GWT tutorial

[vijay]

hi,
I am using GWT 2.0.3 version, I am going through the steps mentioned in GWT
tutorial

http://code.google.com/webtoolkit/doc/latest/tutorial/appengine.html

When trying to integrate login service I get following exception.

Mar 30, 2010 6:44:49 PM
com.google.appengine.tools.development.ApiProxyLocalImpl log
SEVERE: [1269974689208000] javax.servlet.ServletContext log: loginService:
ERROR: Failed to parse the policy file
'/stockwatcher/748E07BA5F0BCE26285053278C0378CB.gwt.rpc'
java.text.ParseException: Expected: className, [true | false]
at
com.google.gwt.user.server.rpc.SerializationPolicyLoader.loadFromStream(SerializationPolicyLoader.java:116)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.doGetSerializationPolicy(RemoteServiceServlet.java:234)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.getSerializationPolicy(RemoteServiceServlet.java:117)
at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamReader.prepareToRead(ServerSerializationStreamReader.java:429)
at com.google.gwt.user.server.rpc.RPC.decodeRequest(RPC.java:234)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:164)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:86)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:51)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:121)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at
com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at
com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:352)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:313)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:844)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:644)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

Mar 30, 2010 6:44:49 PM
com.google.appengine.tools.development.ApiProxyLocalImpl log
SEVERE: [1269974689224000] javax.servlet.ServletContext log: loginService:
An IncompatibleRemoteServiceException was thrown while processing this call.
com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException: Parameter
0 of is of an unknown type 'java.lang.String/2004016611'
at com.google.gwt.user.server.rpc.RPC.decodeRequest(RPC.java:277)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:164)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:86)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:51)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:121)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at 

[appengine-java] Apache CXF(JAX-RS) on GAE

[Vijay Bansal]

I have successfully deployed a CXF-RS app on GAE by making some
changes in CXF source. Details can be found here

http://sinister2010.wordpress.com/2010/01/22/cxf-rs-on-google-app-engine-exposed3/
It maybe of some help.

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[appengine-java] Re: javax.annotation.Resource Spring 3.0.0.Release declarative DI on Google App Engine

[Vijay Bansal]

This is of some help to those who are trying for CXF-RS apps on GAE
http://sinister2010.wordpress.com/2010/01/22/cxf-rs-on-google-app-engine-exposed3/

On Jan 14, 12:43 am, Jason (Google) apija...@google.com wrote:
 Hi Ralf. We may be able to add support for this annotation in a forthcoming
 release. Please star the issue in your post if you want to be notified of
 any status changes.

 - Jason

 On Sat, Jan 2, 2010 at 3:27 AM, Ralf Sigmund ralf.sigm...@gmail.com wrote:
  Hi,
  i am a newbie to App Engine. So I tried to do some of my Spring
  3.0.0.RELEASE demo stuff.

  When using my favourite JAX-RS Implementation (Apache CXF 2.3.0-
  SNAPSHOT) I ran into the following Problem:

  CXF uses @Resource Annotations for Declarative Dependency Injection.

  But javax.annotation.Resource is not on the Whitelist.
  Only

  javax.annotation.Generated
  javax.annotation.PostConstruct
  javax.annotation.PreDestroy

  can be found on
 http://code.google.com/intl/de-DE/appengine/docs/java/jrewhitelist.html
  .

  Consequentely I get the StackTrace: java.lang.NoClassDefFoundError:
  javax.annotation.Resource is a restricted class. Please see the
  Google  App Engine developer's guide for more details.

  Well - I did not find a clear explanation what is wrong with @Resource
  and why it is excluded from the Whitelist.

  There is also an issue
 http://code.google.com/p/googleappengine/issues/detail?id=2564
  on this topic. But without any comment.

  Maybe there is a simple explanation / workaround to this situation and
  some kind soul could respond?

  Best Regards
  Ralf

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[google-appengine] Claiming my appid as my gmail account

[Vijay]

Hi,

I recently registered the Google App Engine appid wntdin using a
Google Apps email account. Since I was allowed to register this appid,
I know no one must have the email wnt...@gmail.com. Is there a way for
me to claim that gmail address? When I try to create it through the
normal process, the system says the email id is not available.

Thanks in advance,
Vijay
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[google-appengine] Doing Appengine settings programmatically

[vijay]

HI All,I am writing an application in Java which will create a website for
my users using some custom fields. I want that the website built and this
application will be deployed on App Engine. Assuming that My user trust my
application and I can have their username and password enterd to my
applications setting page, how to do all Appengine settings programmatically.
Are their any API available for this.
The reason I want to do it this way is that the user can directly handle
their app engine interaction and can pay for usage over freebie quota.

Thanks
Vijay

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[google-appengine] Re: New bie question: import com.google.appengine cannot be resolved

[vijay]

Thanks Jason,As also pointed out by Shawn that we cannot simply use Key in
client code we need write a super class instead.
So now i have changed my implementation to use Long instead of key.

On Tue, May 12, 2009 at 12:03 AM, Jason (Google) apija...@google.comwrote:

 Hi Vijay. I believe the issue here is that the GWT compiler cannot find the
 source code for the Key class, as detailed in the post at
 http://fredsa.allen-sauer.com/2009/04/1st-look-at-app-engine-using-jdo.html
 .

 You should be able to follow the steps in that post, stubbing out the Key
 class, to get your application working.

 - Jason


 On Fri, May 8, 2009 at 3:04 PM, vijay mymail.vi...@gmail.com wrote:

 Hi,
 I am using GWT+ Appengine for building a simple web application and got
 stuck with a error.

 I am using JDO to save some objects in datastore, I have a created a
 service which returns a field of persistent class which is of type
  com.google.appengine.api.datastore.Key, i am calling this service from my
 main .java file and hence imported the required path. When running the
 application I got error as

 Line 6: The import com.google.appengine cannot be resolved

 The path com.google.appengine was auto completed and also it was not
 showing any error for files under .server package, the error are only for
 files under .client package.
 I think I am missing something very basic here. Is there any restriction
 that I cannot import appengine packages in .client package?

 Please let me know if my problem is not clear.

 Regards,
 Vijay




 


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[google-appengine] JDOObjectNotFound exception when using getObjectById

[vijay]

Hi All,
I am stuck with a very weird case here while using getObjectById() function,

I have a persistent class called Category and i am saving it to appengine
datastore using JDO.
I have tried to fetch a particular entry using query and getObjectById()
method, the query is passing and returning me the correct results but
getObjectById is throwing exception JDOObjectNotFound.

The Category class have a primary key field called id, a parent key and a
child key. the child and parent are actually primary key of other Category
instances.( I am trying to buuld a heirarchy of similar objects here. I am
using unowned one to many relationship here.)


// In following code we get the Id of parent and remove the child's
information from it.
Long id = e.getParent(); // returns parent Id.

Query query = pm.newQuery(Category.class);
query.setFilter(id == cat_id); // get the Category with primary key id =
cat_id.
query.declareParameters(Long cat_id);
ListCategory results = (ListCategory) query.execute(id); // get parent
category. results contain the expected information.
if (results.iterator().hasNext()) {
   for (Category e3 : results) {
  SetLong child = e3.getChildrens(); // get the childrens.
   }
  }

Category e2 = (Category) pm.getObjectById(id); // throws JDOObjectNotFound
exception. It is expected to contain the same information as in results 1st
element.
e2.removeChildren(e.getId());
pm.deletePersistent(e);


As you must have seen in the code i am fetching same id using the query and
it returning me the expected objects while
the getObjectById is throwing the exception JDOObjectNotFound. Any clues why
it is throwing that exception.

I tried to google it but could not find any obvious reason,
Can somebody help me figuring out where I am doing it wrong.

Regards,
Vijay

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[google-appengine] JDOObjectNotFound exception when using getObjectById

[vijay]

Hi All,
I am stuck with a very weird case here while using getObjectById() function,

I have a persistent class called Category and i am saving it to appengine
datastore using JDO.
I have tried to fetch a particular entry using query and getObjectById()
method, the query is passing and returning me the correct results but
getObjectById is throwing exception JDOObjectNotFound.

The Category class have a primary key field called id, a parent key and a
child key. the child and parent are actually primary key of other Category
instances.( I am trying to buuld a heirarchy of similar objects here. I am
using unowned one to many relationship here.)


// In following code we get the Id of parent and remove the child's
information from it.
Long id = e.getParent(); // returns parent Id.

Query query = pm.newQuery(Category.class);
query.setFilter(id == cat_id); // get the Category with primary key id =
cat_id.
query.declareParameters(Long cat_id);
ListCategory results = (ListCategory) query.execute(id); // get parent
category. results contain the expected information.
if (results.iterator().hasNext()) {
   for (Category e3 : results) {
  SetLong child = e3.getChildrens(); // get the childrens.
   }
  }

Category e2 = (Category) pm.getObjectById(id); // throws JDOObjectNotFound
exception. It is expected to contain the same information as in results 1st
element.
e2.removeChildren(e.getId());
pm.deletePersistent(e);


As you must have seen in the code i am fetching same id using the query and
it returning me the expected objects while
the getObjectById is throwing the exception JDOObjectNotFound. Any clues why
it is throwing that exception.

I tried to google it but could not find any obvious reason,
Can somebody help me figuring out where I am doing it wrong.

Regards,
Vijay

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[google-appengine] New bie question: import com.google.appengine cannot be resolved

[vijay]

Hi,
I am using GWT+ Appengine for building a simple web application and got
stuck with a error.

I am using JDO to save some objects in datastore, I have a created a service
which returns a field of persistent class which is of type
 com.google.appengine.api.datastore.Key, i am calling this service from my
main .java file and hence imported the required path. When running the
application I got error as

Line 6: The import com.google.appengine cannot be resolved

The path com.google.appengine was auto completed and also it was not showing
any error for files under .server package, the error are only for files
under .client package.
I think I am missing something very basic here. Is there any restriction
that I cannot import appengine packages in .client package?

Please let me know if my problem is not clear.

Regards,
Vijay

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[google-appengine] Re: Some design Issues in appengine datastore

[vijay]

Thanks all for your suggestions,I am trying different ways and reading
about various design patterns that can be used, I will update the thread
once i am done with some more work on this.

On Sun, May 3, 2009 at 11:17 PM, ryan
ryanb+appeng...@google.comryanb%2bappeng...@google.com
 wrote:


 also take a look at polymodel:

 http://code.google.com/appengine/docs/python/datastore/polymodelclass.html

 On May 1, 12:54 pm, adelevie adele...@gmail.com wrote:
  try readinghttp://bret.appspot.com/entry/how-friendfeed-uses-mysql
 
  one pitfall to avoid is to rely on a recursive function to iterate
  through a tree.
 
  On May 1, 9:24 am, Ted suin...@googlemail.com wrote:
 
1#
 
   class Food(db.Model):
   category = db.StringListProperty()
   [other properties]
 
   apple = Food(category=['fruit','red','iron','apple'])
   greenfruit = Food(category=['fruit','green'])
   veg3 = Food(category=
   ['vegetable','category1','category2','category3'])
 
   If you query category='fruit', you'll get both apple and greenfruit.
 
2#
 
   Try to use auto-completion provided by some Ajax libraries like YUI.
 
3#
 
   Do you mean XMPP and Jaiku, seehttp://
 morethanseven.net/2009/02/21/example-using-xmpp-app-engine-imi...
 


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[google-appengine] Some design Issues in appengine datastore

[vijay]

Hello All,I am working on an application and got stuck in design phase I
hope you guyz can help me out. I have several doubts related to performance
and modelling.

1#
In my application i store some hierarchical data and not sure how to do it.

for e.g. say you have data organized as

food
  |fruit
  | |___red---Ironapples
  | |  |   |something
  | |  |
  | |  |___Viatamins  litchies
  | |
  | |___greenIron-apples
  ||_Vitamin E - guava
  |
  |vegetable---category1 -category2category3
  |  |
  |  | |
  |  |
  | ||
  |fried|___
 |__similarly here

Is there a clean way to store this kind of data in appengine. I mean what
should be classes , their properties etc.

In my case the sub categories can upto a depth of 10, with each level having
100s of categories.
I will be executing queries to lookup by any node, so basically i can do
lookup by fruit or apple or food as a whole.

2#
My applcation is going to have a search box where user will be writing his
search items, I would like to suggest them the correct word if they do a
spelling mistake, so if they type frut i wil suggest them to type fruit.
The way i am thinking of implementing it is to for each word entered do a
comparison with each node element with a relaxation of 2, so if the word
matched except at two points i will go ahead and suggest it. I think as i
need to have sequential traversal of all the nodes, which may take a lot of
time and resources, I should store it somewhere to do faster lookup like in
memcache, what are your suggestions.


3#
Are there any standard APIs to send sms from application. I asked about this
in other thread but haven't got any reply, I hope I will get some answers
this time.

I am quiet new to web site designing and any other suggestion or some
pointers to general design principles would be great.


Regards,
Vijay

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[google-appengine] Re: Protocol Buffers with Appengine

[vijay]

HI Nick,Thanks for responding.
I want to use protocol buffer because it have autogenerated methods and are
 serializable which i am doing by defining a data class for persistance
storage. But I could not find any example where Protocol buffer are used for
this purpose and could n't think of any obvious reason.
Can you point me to some documentation or example related to it.
Also I am not sure why cant we use index for protocal buffers.

On Tue, Apr 21, 2009 at 5:41 PM, Nick Johnson (Google) 
nick.john...@google.com wrote:


 Hi Vijay,

 You certainly can use Protocol Buffers to persist your data. Unless
 you have a well-defined need for the features of Protocol Buffers,




 though, you probably just want to use JDO directly, since that allows
 your data to be indexed, as opposed to treated as an opaque blob. The
 documentation on how to use JDO with App Engine is here:
 http://code.google.com/appengine/docs/java/datastore/usingjdo.html






 -Nick Johnson

 On Apr 21, 6:59 am, vijay mymail.vi...@gmail.com wrote:
  Hi All,I am working on a website(using GWT and appengine)  where I need
 to
  save some data to app engine datastore using JDO, for this as mentioned
 in
  tutorials
 http://code.google.com/appengine/docs/java/gettingstarted/usingdatast...I
  need to write a persistent class, I would like to know if I can use
  proto
  buff http://code.google.com/apis/protocolbuffers/docs/overview.html
 and Is
  there a way to make it persistent, I guess that will save me lot of time
 and
  code. Any suggestions??
 


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[google-appengine] SMS support in Google App Engine

[vijay]

Hi All,I am new to app-engine and planning to build a website which would
show some information and users can choose to send that information to their
mobiles. I am planning to use App engine for hosting this web site. I would
 like to know if app engine have some inbuilt APIs or if I can use third
party APIs for this. I found a issue raised for the same from a year and
without any strong response

http://code.google.com/p/googleappengine/issues/detail?id=226

Please note i am planning to send SMS to India only.

Thanks in advance.

Rgds
Vijay

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[google-appengine] Re: New to app-engine

[vijay]

that was scary :)

On Mon, Apr 20, 2009 at 9:33 PM, dartdog tombran...@gmail.com wrote:


 GWT with app-engine is a new feature, welcome to the bleeding edge!
 make sure you get Eclipse going through the tutorials. through a
 sample deploy. good luck.

 On Apr 19, 1:44 pm, vijay mymail.vi...@gmail.com wrote:
  Hi All,I am planning to use gwt + appengine to develop and deploy my
  website. I am new to both of this though I completed the installation
 part
  and getting started tutorial of both of this.
  It would be great if you people can give me some tips and other things I
  should be careful about during the development phase. Actually I see a
 lot
  of help on GWT and appengine individual usage but there is nothing
 related
  to using gwt with appengine and at this point i am confused if I am
 missing
  something,
  Isn't using GWT with AppEngine  productive and popular??
 
  Regards,
  Vijay
 


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[google-appengine] Re: New bie Question

[vijay]

I got the answer on other thread
http://groups.google.com/group/google-appengine-java/browse_thread/thread/f6052ac60cff68ac/d84b7a9e1f504953?q=Error+running+javac.exe+compiler#d84b7a9e1f504953

On Mon, Apr 20, 2009 at 10:21 AM, vijay mymail.vi...@gmail.com wrote:

 ping!!


 On Mon, Apr 20, 2009 at 12:05 AM, vijay mymail.vi...@gmail.com wrote:


 Hi All,
 I am new to app engine, I tried to install eclipse plugin of appengine and
 run the sample guestbook application, but I got same errors like following
 when opening  http:\\localhost:8080

 Error running javac.exe compiler
  at 
 org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter.executeExternalCompile(DefaultCompilerAdapter.java:473)
  at 
 org.apache.tools.ant.taskdefs.compilers.JavacExternal.execute(JavacExternal.java:47)
  at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:931)
  at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:757)
  at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:382)
  at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
  at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
  at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
  at 
 org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
  at 
 org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
  at 
 org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
  at com.google.appengine.tools.development.PrivilegedJspServl

 ..etc

 Caused by: java.io.IOException: Cannot run program javac.exe: 
 CreateProcess error=2, The system cannot find the file specified
  at java.lang.ProcessBuilder.start(Unknown Source)
  at java.lang.Runtime.exec(Unknown Source)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAcces

 .etc


 I am using java version 1.6.0_12 and eclipse 3.4 on windows XP. I can see 
 the appengine directory present inside eclipse directory and able to run the 
 command

 appengine-java-sdk\bin\dev_appserver.cmd 
 appengine-java-sdk\demos\guestbook\war


 I was not able to run this command earlier as appengine-java-sdk was
 actually named appengine-java-sdk-VERSION so i removed the version part and
 able to run the command.

 I don't think the problem is CLASSPATH variable as when i give command

 java -version

 it detects the path and show me correct version. I would be thankful if
 someone can help me out.

 Rgds,
 Vijay





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[google-appengine] Re: New bie Question

[vijay]

ping!!

On Mon, Apr 20, 2009 at 12:05 AM, vijay mymail.vi...@gmail.com wrote:


 Hi All,
 I am new to app engine, I tried to install eclipse plugin of appengine and
 run the sample guestbook application, but I got same errors like following
 when opening  http:\\localhost:8080

 Error running javac.exe compiler
   at 
 org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter.executeExternalCompile(DefaultCompilerAdapter.java:473)
   at 
 org.apache.tools.ant.taskdefs.compilers.JavacExternal.execute(JavacExternal.java:47)
   at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:931)
   at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:757)
   at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:382)
   at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
   at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
   at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
   at 
 org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
   at 
 org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
   at 
 org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
   at com.google.appengine.tools.development.PrivilegedJspServl

 ..etc

 Caused by: java.io.IOException: Cannot run program javac.exe: CreateProcess 
 error=2, The system cannot find the file specified
   at java.lang.ProcessBuilder.start(Unknown Source)
   at java.lang.Runtime.exec(Unknown Source)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAcces

 .etc


 I am using java version 1.6.0_12 and eclipse 3.4 on windows XP. I can see the 
 appengine directory present inside eclipse directory and able to run the 
 command

 appengine-java-sdk\bin\dev_appserver.cmd 
 appengine-java-sdk\demos\guestbook\war


 I was not able to run this command earlier as appengine-java-sdk was
 actually named appengine-java-sdk-VERSION so i removed the version part and
 able to run the command.

 I don't think the problem is CLASSPATH variable as when i give command

 java -version

 it detects the path and show me correct version. I would be thankful if
 someone can help me out.

 Rgds,
 Vijay




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[google-appengine] New to app-engine

[vijay]

Hi All,I am planning to use gwt + appengine to develop and deploy my
website. I am new to both of this though I completed the installation part
and getting started tutorial of both of this.
It would be great if you people can give me some tips and other things I
should be careful about during the development phase. Actually I see a lot
of help on GWT and appengine individual usage but there is nothing related
to using gwt with appengine and at this point i am confused if I am missing
something,
Isn't using GWT with AppEngine  productive and popular??

Regards,
Vijay

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[google-appengine] Protocol Buffers with Appengine

[vijay]

Hi All,I am working on a website(using GWT and appengine)  where I need to
save some data to app engine datastore using JDO, for this as mentioned in
tutorialshttp://code.google.com/appengine/docs/java/gettingstarted/usingdatastore.htmlI
need to write a persistent class, I would like to know if I can use
proto
buff http://code.google.com/apis/protocolbuffers/docs/overview.html and Is
there a way to make it persistent, I guess that will save me lot of time and
code. Any suggestions??

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