You can find the bug reported in googleappengine Google Code Project
with Issue number 4230:
http://code.google.com/p/googleappengine/issues/detail?id=4230q=isUserAdmincolspec=ID%20Type%20Component%20Status%20Stars%20Summary%20Language%20Priority%20Owner%20Log
Votes in favor of fixing it are
Caused by: java.lang.IllegalArgumentException: can't operate on
multiple entity groups in a single transaction. found both Element {
type: CityNum
name: 013001
}
and Element {
type: ScheduleProcess
name: 013001
}
at
支持事务，但是不能在同一个事务中操作属于不同实体组的实体。
2010/12/16 EtuO nbaer...@gmail.com
Caused by: java.lang.IllegalArgumentException:* can't operate on
multiple entity groups in a single transaction*. found both Element {
type: CityNum
name: 013001
}
and Element {
type: ScheduleProcess
name: 013001
}
You can not operate on two entities in single transaction unless both are
entity groups.
First delete CityNum in one transaction and then delete ScheduleProcess in
different transaction,
2010/12/16 EtuO nbaer...@gmail.com
Caused by: java.lang.IllegalArgumentException: can't operate on
Hi, kartik.
It works, but how can I rollback the 'first transaction' if the following
operations throws an exception?
2010/12/16 kartik kudada kartik.kud...@gmail.com
You can not operate on two entities in single transaction unless both are
entity groups.
First delete CityNum in one
True. Moved already.
Cheers.
Kido.
On 16 December 2010 04:03, Didier Durand durand.did...@gmail.com wrote:
Hi,
A more appropriate place to post this question is
http://groups.google.com/group/google-web-toolkit
regards
didier
On Dec 15, 8:03 pm, kidowell crui...@gmail.com wrote:
Hey,
If following operation throws an exception,we can not rollback the first
transaction, because it is already committed. What I can think of right now
is, you can manually delete it. but it is not the genuine solution.
Why don't you create owned relation between these two table?
Tell me about your
谢谢大家，只能开启两个事务来解决啦。
在 2010年12月16日 下午6:11，kartik kudada kartik.kud...@gmail.com写道：
If following operation throws an exception,we can not rollback the first
transaction, because it is already committed. What I can think of right now
is, you can manually delete it. but it is not the genuine
不能rollback，但可以roll forward。
这篇可能对你有帮助：
http://www.keakon.net/article/1843
--
keakon
My blog(Chinese): www.keakon.net
Blog source code: https://bitbucket.org/keakon/doodle/
2010/12/16 EtuO nbaer...@gmail.com
谢谢大家，只能开启两个事务来解决啦。
在 2010年12月16日 下午6:11，kartik kudada
As article on http://www.keakon.net/article/1843 suggests , you can create
task queue on successful completion of 1st transaction , same can be done
when exception occurred in 1st transaction.
I did not try this solution but it seems like good option.
By this way we can achieve atomicity like
I refer to the related post entitled WARNING: No image reader found
for format ico. An ImageIO plugin must be installed to use this
format with the DevAppServer. dated 7th June 2009 at:
The important thing is can't rollback while error occurred.
2010/12/16 EtuO nbaer...@gmail.com
谢谢大家，只能开启两个事务来解决啦。
在 2010年12月16日 下午6:11，kartik kudada kartik.kud...@gmail.com写道：
If following operation throws an exception,we can not rollback the first
transaction, because it is already
Why do you want to store both in the same transaction? To me, it seems
transactions are used to guarantee two things happen. eg. you don't
want to delete one record without making sure the a log of deleted
records is updated. Transactions are also used to prevent collisions,
eg. I don't want
Hi Ravi,
I'm putting all the generated GWT files in a zip file and I'm serving
them with a specific servlet.
It works fine and even allows me to do some GWT versioning : /gwt
module = servlet/version/path to gwt file
Remember that, if you change the default GWT module path (like adding
a
started a new app. For me, Objectify made Java persistence coding fun
again, and words like persistence manager lifecycle and detached
instance are blissfully draining out of my vocabulary :-)
you may have a point here ;-)
-g.
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I have been trying to use the newly launched Channel API on SDK 1.4 in
my project. I try to push a message to client which actually pops up a
notification but I am getting the ChannelFailureException.
Here is the code:
TestServlet Where the token is created:
public void doGet(HttpServletRequest
i know the 1.4.0 version was released, the limit was raised to 32mb.
http://googleappengine.blogspot.com/2010/12/happy-holidays-from-app-engine-team-140.html
so i wanna upload my dem data .
the data dem.bil is under the /war/dem.bil directory.and these are my
codes to fetch the data dem.bil that
I agree. You should seriously consider the method that you are using.
The MemCacheService is a component designed to increase (mostly read)
access to the Datastore. Users of this service should not rely upon
the presence of data in the MemCache, but should use the Datastore and
its transaction
We've been experiencing issues with the precompilation service that we're
trying to resolve. It's been causing some deployment failures, which
generally result in a 503 response code when you push your application.
--
Ikai Lan
Developer Programs Engineer, Google App Engine
Blogger:
You're talking about the datastore API? Underneath the hood, synchronous
gets just make asynchronous calls and block on Future.get() anyway. Making a
single synchronous batch get would translate to a single asynchronous RPC
with multiple keys vs. multiple asynchronous get RPCs. I suspect the
Hi I am using Java + Jdo to store data. I am able to store Text. The text I
get loses all its formatting ( new lines spaces are all converted to single
space )
is their any way to prevent the same ? I have read both the community and
official FAQ and searched this group.
Please help
--
You
Yes, I am talking about datastore api.
I made some isolated tests and the batch always wins (no by so much).
But in my app, when I break the batch into multiple async gets, I can start
processing each async get result (and doing another api calls) before... and
it seems to be perform better.
I think for sure there's some sort of delay of deployment sometimes.
It does not always happen.
You don't have to deploy your app again, just have to wait long enough
(time frame unpredictable) for your new deployment instance get going.
Even though in the console says the app is deployed and
I am getting deployed error gaian...this is happening every other day and as
big productivity sink...anyone knows what is going on and when this will be
resolved?
Unable to update app: Error posting to URL:
https://appengine.google.com/api/appversion/clonefiles?app_id=Xversion=5;
500 Internal
Unable to update app: Error posting to URL:
https://appengine.google.com/api/appversion/clonefiles?app_id=Xversion=5;
500 Internal Server Error
htmlhead
meta http-equiv=content-type content=text/html;charset=utf-8
title500 Server Error/title
/head
body text=#00 bgcolor=#ff
h1Error:
I've changed the code to initialize the Session object passing
properties as a parameter. Nothing changed. Still does not send emails
and doesnt throws any exception. Ideias??
Properties props = new Properties();
Session session = Session.getDefaultInstance(props, null);
Does the email address used in your From have administrator privileges for
your app?
msg.setFrom(new InternetAddress(user.getEmail()));
I read somewhere that system could only send email from registered email
addresses.
On Thu, Dec 16, 2010 at 7:13 PM, Moretto mala...@gmail.com
I now recall the conditions...
http://code.google.com/appengine/docs/java/mail/overview.html
App Engine applications can send email messages on behalf of the app's
administrators, and on behalf of users with Google Accounts.
On Thu, Dec 16, 2010 at 7:49 PM, A. Stevko andy.ste...@gmail.com
Still no messagesand no errors
Properties props = new Properties();
Session session = Session.getDefaultInstance(props, null);
// UserService userService =
UserServiceFactory.getUserService();
//User user = userService.getCurrentUser();
try {
I have much the same code although I set more headers.
How about adding yourself as a BCC and/or CC?
Also, do you see any utilization in your Quota details - Mail API Calls
and Recipients Emailed ?
On Thu, Dec 16, 2010 at 8:12 PM, Moretto mala...@gmail.com wrote:
Still no messagesand no
Hi,
I can not create entity group because both are both classes can
exists independently, It can be unowned relation between them.
I want both should be stored in datastore or none of
these(Atomic behavior ) . If one entity is not stored other entity must not
store in datastore .
Didier's
As you see the first time i've deployed my app, 2 email were sent. It
appeared at my cota details. Now Could you post your headers details?
Mail API Calls 0% 0 of 7,000 Okay
Recipients Emailed 0% 0 of 2,000 Okay
Admins Emailed 0% 0 of
No ideas, anyone?
On Dec 16, 11:59 am, Ian Marshall ianmarshall...@gmail.com wrote:
I refer to the related post entitled WARNING: No image reader found
for format ico. An ImageIO plugin must be installed to use this
format with the DevAppServer. dated 7th June 2009 at:
Hi, I am using google app engine from beginning. From the time when there
was high cpu quota tickets. I understand difference between request time,
cpu and api time.
In one of my request I am putting two objects in one batch operation to
datastore (from same entity group in transaction,
It seems every request that used more than 1000 cpu ms will be consider as
high amount of cpu usage.
--
keakon
My blog(Chinese): www.keakon.net
Blog source code: https://bitbucket.org/keakon/doodle/
On Thu, Dec 16, 2010 at 6:38 PM, Matija matija.jerko...@gmail.com wrote:
Hi, I am
I suggest you always use UTF-8, not windows-1256.
However, if you insist on using windows-1256, you should encode your unicode
output to str:
self.response.out.write(u'some unicode string'.*encode*('windows-1256'))
or:
self.response.out.write('some windows-1256 string') # don't decode it
Just in case, take a look at nick's answer here:
http://stackoverflow.com/questions/838078/working-with-subdomain-in-google-app-engine
On Dec 14, 7:15 am, Roberto Saccon rsac...@gmail.com wrote:
google apps lets me define wildcard subdomains
e.g.: http://*.mydomain.com
but when saving the
Bump.
Can we please have this?
On Dec 10, 1:59 am, Mark Jen mark...@gmail.com wrote:
Hi,
Has anyone been using the closure library/compiler with GAE channel
API?
Can we have the uncompiled file(s)
forhttp://talkgadget.google.com/talkgadget/channel.jsso they can be
compiled together with
How can I force the [csv] bulkloader to create entities with 'None'
property values if the relevent bulk data field is empty, as opposed
to assuming the entity model property is missing ?
I've tried
- using 'import_transform: transform.none_if_empty(str)' in
bulkloader.yaml
- using
I suggest you to use post_import_function and post_export_function. They
gives you everything you need to manipulate entities.
Also check out these demos:
http://bulkloadersample.appspot.com/
--
keakon
My blog(Chinese): www.keakon.net
Blog source code:
Hi,
Will there be an API that can expose all details we saw from Google App
Engine Dashboard, so that we can do a lot of interesting things with it. Or
will there be an iPhone app for Google App Engine Dashboard?
As an iOS/GAE developer I'd really love to see the combination.
Cheers,
Xin
What's the approved way of doing this ?
I don't want the overhead of creating a separate db model.
I don't see a db.DictProperty [equivalent of db.ListProperty].
Right now I use a db.TextProperty, and serialise/deserialise the dict
with yaml.
I'm guessing this isn't the 'approved' way of doing
I think there is no approved way.
Which method will depend heavily on what you are sticking in your dict, how
big it is etc..
I personally pickle dicts and stick them in a BlobProperty ;-)
T
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Hello Justin,
You can you refer to jaikuengine:
http://code.google.com/p/jaikuengine/source/browse/trunk/common/properties.py?r=153#62
--Sahid
On Thu, Dec 16, 2010 at 3:57 PM, Justin justin.worr...@gmail.com wrote:
What's the approved way of doing this ?
I don't want the overhead of
Submit an issue and post the issue number here.
Having the high-cpu requests highlighted is nice, but I agree with
you about high-latency requests being a bigger concern.
Robert
On Thu, Dec 16, 2010 at 05:38, Matija matija.jerko...@gmail.com wrote:
Hi, I am using google app engine from
I was able to solve this problem. There were a few steps, but
basically it comes down to updating libraries and modifying the
web.xml file.
Phase 1...
1. Replace the 7 jar files in WEB-INF/lib
(org.codehaus.jackson.core.jar, org.codehause.jackson.mapper.jar,
org.restlet.ext.gwt.jar,
Hello!
I have exactly the same problem! Has someone got a solution?
Thanks a lot!!!
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Excuse my ignorance, first time poster, first time Google App
Developer...
I created an app but when I access it from my boss's computer (and
about 10 other computers) it redirects to zimbio.com. However, I am
able to access it from my personal computer and work computer.
I do not have any code
Hello everyone,
I come back on this subject because I need to set a public IP on my GAE.
I need to call a Web Service from the server but this web service need a IP
to authorize anyone to call it. When I lauch GAE in local, there's no
problem because I can identify my IP.
Is there a solution
hello,
I'm running GAE 1.4 and python 2.5.2
I built an application on the development server which worked fine.
It's a simple application that takes data from external clients, puts
it in the datastore, and then allows users to view it on the web.
One of my fields in this model I recently
Hey Patrick,
Check out the GAE Maven plugin (http://code.google.com/p/maven-gae-
plugin/)...that's what I use and it's easy :)
don't forget to do mvn gae:unpack after you run mvn clean
Mike!
On Dec 14, 10:37 pm, Patrick Twohig patr...@namazustudios.com wrote:
Hi,
I'm having some trouble
Hi guys,
Anyone know how does the html static with the Id knows which entry point
to invoke within the web application ?
Regards,
KP
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Ran into the same problem. Am running restlet M1. Just wondering if
you already solved it - was about to start working on this.
Thanks,
RB
On Dec 6, 5:57 pm, dadada ytbr...@gmail.com wrote:
this is the console log.
ompiling module org.restlet.example.gae.serialization.Serialization
I posted on this this in the java forum, but no traction there and I
suspect it's not java specific.
Memcache entries seem to be being scoped to an instance, not global.
After a cache entry is made, it can be retrieved fine for any request
that goes to that same instance. Any request to one of
This should help:
http://groups.google.com/group/google-appengine/browse_thread/thread/86457b3a95e30a5a
--Matthew
On Dec 14, 11:02 am, GK guruko...@gmail.com wrote:
Hi,
I want to write a python script which will automate the bulkloading
process by writing a csv file, then running appcfg.py by
This is definitely not a design intent. Can you post any code or
reproduction steps?
--
Ikai Lan
Developer Programs Engineer, Google App Engine
Blogger: http://googleappengine.blogspot.com
Reddit: http://www.reddit.com/r/appengine
Twitter: http://twitter.com/app_engine
On Wed, Dec 15, 2010 at
The only penalty is that requests that take more than 1000 mS will not
benefit from automatic scaling. And you'll use more quota, obviously.
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Certainly Ikai,
Firstly, some of my logs (url and classes slightly modified to hide
some app details) that show how only the same instance picks up the
entry. I'm determining and logging the instance using a UUID that I
assign to a static class variable. The key for the cache lookup is
passed in
Due to lack of information about when App Engine starts new instances,
how it affect performance and side effects of scaling up I have here
made a short summary from my own experiences so others won't have to
find it out the hard way.
I still don't have any long experience with App Engine, but I
I've got at least one of these this morning to.
Anything I need to worry about?
On Dec 9, 5:45 pm, Pranav Prakash pra...@gmail.com wrote:
In one of my most expensive (in terms of calculations and datastore
access) calls, I regularly get DeadlineExceededError. I am okay with
it.
Just now, I
I'm pretty sure Google is not just randomly sending your users to some
other site. ;) Maybe you've got some bad DNS entries, or need to
switch DNS providers.
You app can be served without forcing users to log into anything.
That is totally up to you.
Ok this code works great:
self.response.out.write(u'السلام عليكم'.encode('utf-8'))
but when i use an html page instead of a string just like this:
self.response.out.write(template.render(u'test.html'.encode('utf-8')))
it displays arabic characters rabish
in the html page i tried to write this:
Ok this code works great:
self.response.out.write(u'
السلام عليكم'.encode('utf-8'))
but when i use an html page instead of a string just like this:
self.response.out.write(template.render(u'test.html'.encode('utf-8')))
it displays arabic characters rabish
in the html page i tried to write this:
Hi KP,
I am not sure what you are asking, but these docs might be useful:
Python:
http://code.google.com/appengine/docs/python/config/appconfig.html#Static_File_Handlers
Java:
http://code.google.com/appengine/docs/java/config/appconfig.html#Static_Files_and_Resource_Files
Vlad,
Your case is a bit of an edge case for us. At the time your task is
dispatched, do you have any other tasks still in the queue scheduled
to execute within the next twenty seconds? If not, your queue is
considered empty and will next be checked for tasks to dispatch in
twenty seconds time.
Hi,
I configured my appengine app with my domain www.mydomain.com.co, but
it doesnt works just with mydomain.com.co (without subdomain).
There is a restriction? What could be wrong?
Thx a lot!
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You can't do CNAME for bare domains
Some DNS providers have the facility of allowing you to specify a redirect
from the bare domain to you www.
Rgds
T
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Shouldn't someone solve this problem?
On Dec 15, 6:33 am, Kaan Soral kaanso...@gmail.com wrote:
It took me a long time to figure out that the reason of my domain
name(www.something.com) on Appengine not working is that Youtube IP's
are banned in Turkey.
So when i ping my domain, It can't
Nope - the best I can think of ghs.google.com although that is where
inbound traffic is going to and not necessarily where url fetch hits
originate from. I can't imaging all the traffic from the url fetch pool
coming from any single ip address.
FWIW, A web service whitelisting an ip address is
Hi
I don't really believe it is solvable by google.
If they add a new pool of addresses for appengine, and some apps turn up on
appengine that
any particular government doesn't like, they will block access to that range
and you are
back in the same situation.
All anyone can do is educate and
Publishing the uncompiled files is in the works! I know it'll be useful for
those of you using closure (it could save a lot of code size). No definite
time line but I'm working on it now.
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Yep, connect/disconnect is in the works. No firm ETA, but it's coming.
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I think this was also asked/answered over in the python group, but I'll post
here too for the sake of completeness:
1. Token expires two hours from when you call create_channel. So if you
wanted to store it server side, you could also store a time stamp. Note that
the expiration's accuracy is
This is great news. Thanks for the update.
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Does anyone get bounced email delivered to the From: address as per the spec
the error message is sent by email to the address of the sender for the
message.
Ever since my public launch, I've been sending out lots (many thousands) of
emails but have never seen a bounce from the mail service.
The
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