Great Indian Developer Summit 2010 – Gold Standard for India's IT
Professional Ecosystem
Bangalore, January 22, 2010: The introduction of the Java Persistence
API signaled the beginning of the end of using proprietary Hibernate
or TopLink mapping files and session APIs to persist your business
obj
hi amit,
apologies for the late reply. another user had a similar issue, and my
recommendation is the same. please follow the advice i give there:
http://groups.google.com/group/google-appengine-java/browse_thread/thread/68c98191e1d3679b
best regards,
-- wesley
- - - - - - - - - - - - - - - - -
I don't know if this helps, but at work we sometimes use NHibernate, which
has incredibly bad startup times when there are lots of XML config files.
I creatd a static HTML file that displayed a "We're just loading the
application" page and used javascript to redirect to the first aspx page
(passin
Maybe it is useful for people in countries where Twitter is blocked.
If so, best tell people so they're not caught unawares.
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Hi there,
I'm a newbie with GAE, I'm using JPA to access datastore and I'm
having a problem querying datastore.
I have successfully inserted a few record into datastore using JPA but
I can not read them back from datastore.
Following is my code to query datastore.
On Sun, Jan 24, 2010 at 5:35 PM, Spines wrote:
>
> What about when there is a surge in traffic and a second instance is
> going online, will that cause a loading request for a user?
It would take a googler to answer this authoritatively, but it appears
the answer is yes, the user will see this de
Thanks Robert. The basic techniques I'm aware of for paging with a
query object are either:
1) Order by key name (not useful for me since the order looks quasi-
random; also you need to represent the starting key for the next page
somehow, and it looks ugly in an url).
2) Sort by an indexed prope
all, i can let you know that Google does recognize this as an
important problem, and that the engineering team is working on it.
however, to make for a stronger case, can you all star the current
issue that documents this problem? also add your own story or use case
in the comments section as appr
it looks like you have some issue with your app.yaml file. please make
sure it's of a format similar to the following:
application: sandbox-getsense-it
version: 1
runtime: python
api_version: 1
handlers:
- url: /.*
script: main.py
also, here are two recent threads about creating CSV files:
There is an article series about the datastore. It explains that the
Timeouts are inevitable. It gives the reason for the timeouts. They
will always be part of Bigtable and the Datastore of GAE.
The only solution is a retry on EVERY read. The get by id/key and the queries.
If you do that then very
Have you used the retry recipe? It has made about 99.9% of my timeouts go
away.
On Jan 26, 2010, at 5:30 PM, phtq wrote:
> Our application error log for the 26th showed around 160 failed http
> requests due to timeouts. That's 160 users being forced to hit the
> refresh button on their browser
Our application error log for the 26th showed around 160 failed http
requests due to timeouts. That's 160 users being forced to hit the
refresh button on their browser to get a normal response. A more
typical day has 20 to 60 timeouts. We have been waiting over a year
for this bug to get fixed with
Yes, you're right. As a new instance is being spun up, there will be some
user that will have to deal with a loading request.
On Sun, Jan 24, 2010 at 3:50 PM, Spines wrote:
> If I could get a definitive answer on this that would be great.
>
> I know that when your Google App Engine (GAE) app has
Thanks for reply Wesley.
We still would find GEA very useful for general medical procedural and
diagnostic information of encyclopedic nature
best regards,
Ralph
On Jan 25, 6:38 pm, "Wesley C (Google)" wrote:
> greetings again everyone,
>
> App Engine is currently not HIPAA- nor SAS 70-complia
Hi, I'm working to export the datastore entities to csv, something too
simple like that take me a long of time, and I still can't solve it.
My app it's developed with GAE/J , but I follow a few posts and google
documentation to deploy an python app to run the script.
Finally I got the script runn
Glad you got it sorted :-)
I thought you were trying to log the user out if they just left/closed their
browser, which would be a little trickier!
2010/1/26 Alex Nemoy
> On Tue, Jan 26, 2010 at 7:45 PM, Danny Tuppeny wrote:
>
>> If you mean fetching it server-side, then that won't work. I can'
On Tue, Jan 26, 2010 at 7:45 PM, Danny Tuppeny wrote:
> If you mean fetching it server-side, then that won't work. I can't
> think of any nice way to do what you want, though there is a tickbox
> that says "Keep me signed in". If the user ticks this, surely that's
> what they want?
>
> Not sure i
The idea of a cache is that at any time it could be out of date.
Trying to synchronize wouldn't be the intended purpose of a cache I
don't think.
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I found this on the App Store for the iPhone:
http://itunes.apple.com/gb/app/programming-google-app-engine/id345352599?mt=8
I'm not sure how anybody is making money when they're selling this at
£2.99, unless they're assuming most people will buy a hardcopy too!
On Jan 26, 1:08 am, Dan Sanderson
What is it you're trying to do? Deliberately causing your requests to
block each other doesn't sound very scalable. Also, sleeping for only
1 millisecond will likely eat a ton of CPU while it spins waiting for
the lock.
It's hard to comment without knowing what you're trying to do. Maybe
if you ca
On Jan 25, 1:35 am, Spines wrote:
> As long as there is at least one app instance running will that
> guarantee another user won't get a loading request? My loading
> requests take like 10 seconds to initialize Spring, Spring Security,
> and JDO. I don't want any of my users to experience a 10 s
If you mean fetching it server-side, then that won't work. I can't
think of any nice way to do what you want, though there is a tickbox
that says "Keep me signed in". If the user ticks this, surely that's
what they want?
On Jan 25, 2:05 pm, Alex Nemoy wrote:
> Can a user be logged out by the app
On Jan 25, 11:50 am, olex13 wrote:
> I'm not an expert in all this DNS/CNAME/etc things, so I afraid that
> once I'll configure subdomain on appengine app,
> root domain will not work on my PHP hosting
There's nothing to worry about, it won't break. When you set up Google
Apps (and App Engine), y
Looks like we're all at it ;-)
http://blog.dantup.com/2009/12/microsoft-windows-azure-vs-google-app.html
Though mine probably wasn't entirely unbiased. I wanted to use Azure
and discovered it was a ripoff for small (low traffic) projects. I'm
a .NET developer by trade, so it made sense. Google's
Thanks for the Sample Programs.
On Jan 25, 6:08 pm, Dan Sanderson wrote:
> Greetings App Engine developers -
>
> The book *Programming Google App Engine*, written by yours truly and
> published by O'Reilly Media, is now available in bookstores everywhere. The
> book covers everything from the dat
On Jan 25, 11:50 am, olex13 wrote:
> I'm not an expert in all this DNS/CNAME/etc things, so I afraid that
> once I'll configure subdomain on appengine app,
> root domain will not work on my PHP hosting
>
> But if you say this is possible to configure - I'll try. Thanks.
>
> On Jan 24, 10:03 pm, Ro
serve them 500 response code
2010/1/26 dreadjr :
> yeah i tried redirecting them, but it looks like they don't follow
> redirects. Any other suggestions?
>
> On Jan 25, 1:26 pm, Stephen wrote:
>> On Jan 23, 7:42 pm, Joshua Smith wrote:
>>
>> > How about going to sleep for 29 seconds, then retur
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