I think the issue is that on some installations for Eclipse (STS among
other) you get an silent error when clicking on the Google-login
button in the bottom left corner. Some odd exception (only vissible in
the error pane), and nothing happends. I still haven't worked out how
to get around this
any help on this please?
Thankx and Regards
Vik
Founder
http://www.sakshum.org
http://blog.sakshum.org
On Wed, Aug 10, 2011 at 12:31 PM, Vik vik@gmail.com wrote:
Hie
I have sitemap.xml and urllist.txt files in my web root folder of my
gwt+gae app. However, on deploying these files are
Unable to update:
java.io.IOException: Error posting to URL:
https://appengine.google.com/api/appversion/clonefiles?app_id=salam-worldversion=1;
500 Internal Server Error
htmlhead
meta http-equiv=content-type content=text/html;charset=utf-8
title500 Server Error/title
/head
body text=#00
Hi Dan,
I was happy with 1st edition, build a whole app working perfect under
M/S, now the advice is to move to HR. My main concern is the speed
and the cost of translation. The last 2 months switched the app from M/S
to HR but it was working 2-5 times slower, so I switched back to M/S
and it is
Hi,
I'm trying to take advantage of the new Java datastore admin functionality
in v1.5.3. However, every time I click Enable for Datastore Admin, I get
the error message A version with the name:ah-builtin-python-bundle, already
exists. Has anyone else encountered this? Do you know how to fix
Thanks for the tip, worked for me as well!
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Hi, I have a JSF2 app that is able to run on my local instance. However,
after I deployed to GAE, i encountered an object serialization runtime error
on pages containing a UIPrameter object (e.g. f:param id=param1
value=foo /)
I've tried the same app on glassfish (local) and tomcat
Hello All
For last 3 years, I have been specializing in cloud computing and have
introduced an elective for V semester engineering
http://cloudcomputingcourse.blogspot.com
I have already asked my students to do GAE based projects and here is
an example http://sdmcetcon1.appspot.com
Kindly
Hello,
I want to upload an InputStream object onto Google sites. The sites API
manage only File objects, but I can't use the OuputStream to generate the
File from the InputStream.
How can I upload the InputStream object to Google Sites?
Should I do that with a POST request? And if so, how can
+1 same error here
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Hi all.
I'm using Google appengine from Android, and have been using this [1] method
for auth.
Is there something that has changed recently? It used to work a couple of
weeks ago.
Coming back from vacation it failed to work.
Any pointers?
1:
I was just wondering if anyone knew if there were any plans to support
JDOQL 3.1 in app engine anytime soon. A couple of the features such as
size() would be really useful. I've read through the release history
of GAE and can't see anything obvious.
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Same issue while deploying application. Re-tried a few times. Looks like a
consistent problem.
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Is your site showing the captcha? If so, I know I'm not answering the
question, but have you considered this?
http://www.google.com/recaptcha
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Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai
On Sat, Aug 20, 2011 at 3:06 AM, Arvind Chari
We've reduced the free quota on new applications. If you enable billing, you
should still have the same billing quota.
--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai
On Sun, Aug 21, 2011 at 7:41 AM, realdope rte...@gmail.com wrote:
Hi,
Vik, it probably has something to with your web.xml file.
On a related note, are you at all interested in GAE consulting? It sounds
like you're carrying a lot of weight on your own shoulders, and there are
plenty of experts in this forum that wouldn't mind taking on an additional
contract!
--
Feel free to repurpose anything you want from here:
http://io-bootcamp-datastore.appspot.com/
It's a tutorial session I did about the datastore from Google IO.
--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai
On Sun, Aug 21, 2011 at 5:29 AM,
Can you describe the errors you're seeing? Exceptions that are thrown, etc?
It doesn't work isn't a particularly helpful error report.
--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai
On Mon, Aug 22, 2011 at 7:00 AM, Erlend Hamnaberg
Hi,
The local dev stores session information in memory so you won't get the
NotSerializableException on local dev because the local dev doesn't need to
serialize the objects that are in the session. I think that may also be the
case with glassfish and tomcat if you haven't set up a database to
I'll do it for free just for the heck of it.
- Reply message -
From: Ikai Lan (Google) ika...@google.com
Date: Mon, Aug 22, 2011 2:10 pm
Subject: [appengine-java] Re: sitemap.xml and urllist.txt
To: google-appengine-java@googlegroups.com
--
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Thanks for all of the replies, everyone!
I found out the issue.
The IP that I had set for my localhost in my /etc/hosts file had changed.
Since fixing this, I am now been able to successfully connect Eclipse with
the Google Login, as well as deploy the server locally.
Thanks all! Sorry for
Hi,
- I am new to GAE and I wonder how to run some Web services.
- I would like to exchange XML files using RESTFull.
So far I used Glassfish, and I wonder if GAE provides a similar function?
Is there any plugin to use with Eclipse?
Is there a location where I can find some example?
I decided to give Objectify a try because I think any significant reduction
in startup time could be quite valuable.
It appears my startup time is now around 8s. So maybe 2s less, but I don't
have any objective data. It's certainly not around 2s total. Alas.
On the plus side, Objectify
Right
This is our non profit organization(http://www.sakshum.org) working for
educating the children from slums and building a blood donor network across
India. At this moment I am the only developer building the entire system and
had privilege of a volunteer tester for some of the time.
As
Hi Sergey, we've definitely noticed and appreciate you reporting the bug to
us! The bug notes a workaround now and we are working on more permanent
fixes, unfortunately those fixes often take times both to implement and then
to deploy.
Greg
On Thu, Aug 18, 2011 at 8:42 AM, Sergey Schetinin
Yeah, thanks for suggesting the workaround. I understand that there's
a lot happening with App Engine, so it's impossible to respond to
everything, but reporting problems with GAE is usually a very
frustrating experience (and I don't think it's just me).
On 22 August 2011 09:50, Gregory
Thanks for the feedback Sergey and I don't think its just you either. We
are working to make the process less frustrating and ensure everyone
understands that we do actually read bug reports and work to resolve them :)
Greg
On Sun, Aug 21, 2011 at 11:55 PM, Sergey Schetinin
Hey Robert,
My data models are quite similar to relational database schema, for
example, i have employee, department, project models defined in my GAE
web application. There are relationships among them (e.g one
department has many employees, one employee can work for one
department. One employee
Perhaps you could benefit by enabling warm-up requests?
http://code.google.com/appengine/docs/adminconsole/instances.html#Warmup_Requests
On Aug 19, 6:45 pm, de Witte jcreator.xi...@gmail.com wrote:
Question about the scheduler.
I got several user request a day which include the message :
OK. Thanks Robert.
On Aug 21, 7:59 am, Robert Kluin robert.kl...@gmail.com wrote:
You should try to put the latency control back on auto. When I set it to
10ms I saw signifanctly worse performance. You should also try to make a lot
of requests to get it warmed up.
Robert
On Aug 19, 2011
I have been testing at 50% of average Latency. This seems to strike a good
balance. 10ms seems to basically always spawn new instances. Which makes
things slower because you are always eating the spin up time.
-Original Message-
From: google-appengine@googlegroups.com
+Mike Lawrence
As you post I have couple of questions to you.
Average response time is still sub-second for the week.
Do you use queries to fetch data or you use a lists?
Do you modified your app when moving to HR, or just transferred it?
1000 simultaneous users.
Are you users logged in or
In general, my app does 3 db gets for every db query.
No modifications were necessary with my app. Using slim3 db for
transactions.
1000 simutaneous users were logged in using my own authentication (not
federated) with sessions enabled.
I only use session to record the fact that a user has
Hi Mike,
Thank you, I am collecting the bits needed for eventual switch.
In fact I already switched my app to HR, it worked for 1 month but
I never got the speed of M/S. So now I have to figure out why.
Best,
--Constantine
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+Ikai Lan
Dan's advice is correct: use get-by-key as much as possible, and any update
to the book will likely include a section about high replication.
*I just bought an access to his book in progress. Asked him a question on G+
about speed in general, get the following answer:
Compared to
+Ikai Lan
In my example:
*
root = MyRoot.get_profile()
**
skey = email
*
*
key = db.Key.from_path('MyList',
skey,
parent=root.key())
profile = db.get(key)
For HR are there a need to change the way these keys are formed?
hey,
since i upgraded to the new sdk i have issues importing modules
i have some older apps where i use whoosh appengine to index some stuff.
since sdk 1.5.3 i cant run those apps any more.
whoosh-appengine is in the root of the project and the function i want to
import is there.
the import:
there are some transaction options which suggest that you can begin a
transaction allowing more than one entity group
but with sdk 1.5.3 on windows the beginTransaction() method does not compile
with a TransactionOption parameter
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Hi,
I'm designing an app which provides a service. Like a public API
exposed to the world.
Ppl are able to use my service via the API. So one call to my app is
an API call. Every calls are read only calls to the datastore.
I want to track each API call (have the total count of API calls for
I have a Java Google App Engine web application that allows user upload of
images. Locally, it works great. However, once I deploy it to the cloud,
and I upload an image, I get the following error:
java.lang.IllegalArgumentException: can't operate on multiple entity groups
in a single
Jeff,
1. I don't know the exact number, but this method has been used in apps that
get thousands of QPS
2. No, because there is also a Key index. There's no entity group root to
transact on to see if we have the newest version of data. If you did a
batch get with the keys themselves, it would be
(and if I read your entire email, I would have realized that you already
figured it out that you can do a batch get by key)
--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai
On Mon, Aug 22, 2011 at 10:37 AM, Ikai Lan (Google) ika...@google.comwrote:
Hi,
You're building the keys correctly for strong consistency.
As far as speed goes, let me give you an example of speed in action.
It takes me ~30 minutes to bike somewhere. I can also take the bus. The bus
takes me 20 minutes when there are no disruptions. Unfortunately, there are
disruptions
Memory is not going to cut it. Your 'instances' are put up and torn
down all the time. So while instance memory might work for short term
caching, you can't rely on it. *
If you can live with occasional losses, just use memcache incr() -
memcache can still loose data**
It's on the roadmap; hopefully soon. In general we don't release ETAs
(because we are usually wrong).
--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai
On Sat, Aug 20, 2011 at 8:48 AM, mattkrae34 matt.krae...@gmail.com wrote:
Any word on when the
Thanks Barry,
For the regular writes from memcache to the hrd, you would set up a cron
job?
http://code.google.com/appengine/docs/java/config/cron.html
In that case my API service would be pretty efficient I guess with read only
calls from my clients.
Thank you again
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Could use cron. or more dynamic tasks.
Depends party on how many clients you have. One of the issues you face
is that can't query memcache to see what keys there are waiting to
be written. So you either have to just try them all, or maintain some
sort of list.
If a small number (under say 1000?)
+Ikai Lan
As far as speed goes, let me give you an example of speed in action.
I very much appreciate your explanation. I understand we cannot know much of
the
internal working and don't need to. That is good enough for me to decide now
to move back
to HRD. So did I - I just reactivated the
Until then, take a look at what others are using:
http://groups.google.com/group/google-appengine/browse_thread/thread/50339daca902ed64
On Aug 20, 8:48 am, mattkrae34 matt.krae...@gmail.com wrote:
Any word on when the search functionality demoed at the Google IO
conference this year will be
Thanks I'll give it a shot
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Out of curiosity, are you in the development stage?
I did a lot of unnecessary thinking like this when I was in the
development stage and after the production, I saw that half of my work
was unnecessary
On Aug 20, 11:50 pm, Jeff Schnitzer j...@infohazard.org wrote:
The short version boiled down
Without out.close() throws this exception on or
writeChannel.closeFinally():
Exception in thread main java.lang.IllegalStateException: The
current request does not hold the exclusive lock.
at
com.google.appengine.api.files.FileServiceImpl.close(FileServiceImpl.java:
315)
at
On Sat, Aug 20, 2011 at 7:52 AM, Sekhar allur...@gmail.com wrote:
We're about to launch a healthcare app, and we recently switched from M/S
to HRD (both with reserved instances). I'm really, really happy with HRD so
far, most importantly we don't see random hiccups in data access any more.
On Sat, Aug 20, 2011 at 1:38 PM, thstart thst...@gmail.com wrote:
+Jeff Schnitzer
pry the details out of you.
I posted a code if you care to read, the advice is EVENTUAL_CONSISTENCY
which is a compromise and I don't need to do it in M/S.
When fetching a list of keys use
Hi, what if i want to have a subdomain like this orkut.myapp.appspot.com,
can i? So i can administrate the N pasrt of my app (like
facebook.myapp.appspot.com, plus.myapp.appspot.com, etc) .
thanks!
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I've just deployed one of my apps with the classes JARed and it's halved the
loading request elapsed time for me, although it hasn't really touched the
CPU_ms time.
Admittedly it only has 53 classes in it, but a decrease of 5 to 2.5 seconds
is a noticeable speed-up which I'm more than happy
Hi,
- I am new to GWT and I wonder how to run some Web services.
- I would like to exchange XML files using RESTFull.
So far I used Glassfish, and I wonder if GWT provides a similar function?
If so, is there a location where I can find some example?
- If not possible or supported, is there
Seems that disabling DEBUG mode has an effect and it works again. Not
sure why the other app ID had no issues with debug being enable, but
this resolves my issue for now. I'll return to this [hopefully] and do
some tracing to determine if there's some noticeable difference
between the two apps.
I'm looking to move my application to Django. It seems to be a pretty
easy move, but I've gotten a bit stuck with GeoModel. I can't find a
direct equivalent for Django. I thought just changing the superclass
of GeoModel could do the trick, but there's no Django version of the
GeoPt property. Would
Hi Ellie,
I'm assuming you talking about native Django models. I began a port of
GeoModel to Django-norel some time ago, but never completed it. Here's the
repo django-geomodel https://bitbucket.org/scotch/django-geomodel. I found
that for my dataset, without async support in Django, the
Yes.
http://code.google.com/appengine/docs/python/runtime.html#Requests_and_Domains
On Mon, Aug 22, 2011 at 18:54, Bruno Sandivilli
bruno.sandivi...@gmail.com wrote:
Hi, what if i want to have a subdomain like this orkut.myapp.appspot.com,
can i? So i can administrate the N pasrt of my app
Transactions are currently limited to a single entity group.
http://code.google.com/appengine/docs/java/datastore/transactions.html#What_Can_Be_Done_In_a_Transaction
On Sun, Aug 21, 2011 at 23:54, peter pbosa...@gmail.com wrote:
there are some transaction options which suggest that you can
Hi,
The issue is probably that fileService.getBlobKey (and other
methods) makes a datastore call (at least the Python version does).
Since transactions can only touch one entity group, you might get some
problems. (I didn't read your code that closely, but perhaps that
will help you track it
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