Hi,
I would like to know what all kinds of system calls can't be used in
App Engine.
The App Engine documentation also says that once a request is sent to
the client no further processing can be done. What do you mean by
this? I thought it was true for all JEE applications.
Could you give me more
I have used the above mentioned solution for my many to many
relations. Now if I want to get all the entities of type Entity2 for
one entity of type Entity1 I query the ManyToManyLink with the key of
Entity1. As a result I get a list of keys for Entity2. Now how do I
query Entity2 to get all the
You might want to try one of the
javax.jdo.PersistenceManager.getObjectsById(...)
methods. I have not done this myself yet (although I do use
getObjectById(...)), so I have not used an array or collection of
OIDs. You might want to give this a try.
Failing that, you might want to have as an
Any news about this SecurityException ?
Matija.
On Jun 5, 4:46 pm, dilbert dilbert.elbo...@gmail.com wrote:
I am having trouble with Hessian on Google App Engine. First I will
describe the setup. I have a persistent class MessageDb declared as
(It contains a String and an arraylist of
Can somebody comment on:
http://code.google.com/p/googleappengine/issues/detail?id=3319
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When an entity is loaded using query, postLoad() call back is not invoked.
postLoad() works only with entityManager.find(clazz, id)
As per the JPA specification:
The PostLoad method is invoked before a query result is returned or
accessed or before an association is traversed.
Example:
Ohh, sorry.. in the example, I gave a wrong class name
UnownedRelationLoader
Its FooEntityListner and still it does not work
public class FooEntityListner {
public void postLoad(BaseEntity entity) {
---
}
-- Forwarded message --
From: Sudhir Ramanandi sramana...@gmail.com
Date:
How I understand memcache:
cache.containsKey(some-key) tells you whether there is such key in
memcache
and cache.get(some-key) retrieves the value for key
You could skip asking for existence of the key in memcache only in
case you expect to return non-null values (and null being non-existent
I referred to this post
http://whyjava.wordpress.com/2009/08/30/creating-struts2-application-on-google-app-engine-gae/
Getting this error
Jun 8, 2010 10:31:06 AM com.google.apphosting.utils.jetty.JettyLogger info
INFO: Logging to JettyLogger(null) via
Thanks a lot for your helpful code Ian! Now I've implemented the long
as gae.pk-id. Both entities and the link are stored but I don't know
how to adopt what you wrote:
On 7 Jun., 21:54, Ian Marshall ianmarshall...@gmail.com wrote:
Beware that in this case, the Long ID values are not the full
Thanks a lot for your helpful code Ian! Now I've implemented the long
as gae.pk-id. Both entities and the link are stored but I don't know
how to adopt what you wrote:
On 7 Jun., 21:54, Ian Marshall ianmarshall...@gmail.com wrote:
Beware that in this case, the Long ID values are not the full
Thanks a lot for your helpful code Ian! Now I've implemented the long
as gae.pk-id. Both entities and the link are stored but I don't know
how to adopt what you wrote:
On 7 Jun., 21:54, Ian Marshall ianmarshall...@gmail.com wrote:
Beware that in this case, the Long ID values are not the full
Hi,
I had a problem in my app that would only show when using the live
data and I could not load all the live data into the local datastore.
So I wrote an ApiProxy.Delegate which intercepts all datastore RPC
calls on the dev server and posts the binary data to a servlet running
in my
I am not using a transaction (see original POST), which is the
problem.
On Jun 4, 11:03 am, Chau Huynh cmhu...@gmail.com wrote:
Did you have different entity groups inside a transaction?
Google have a constraint of what can be done in a transaction
How do I build a key from parent and child if I don't know the parent's
key?
I use a field to link the entity group parent instance to a child
instance. I make this bi-directional, so from an entity I can retrieve
both its parent and also its child or set of children.
Thanks a lot for your
Here's an exhaustive list:
http://code.google.com/appengine/docs/java/jrewhitelist.html
On Jun 8, 5:40 am, james isaac jamesisaa...@gmail.com wrote:
I would also like to know what you mean when you say we can't open a
socket or access another host directly.What API is being referred to
here?
Something to consider, that if you start an entire AspectJ framework
you're increasing your server startup time (whether it's large or
not). I liked the solution Roo brings to the table, and that is it
compiles AspectJ out of the source by the time it is deployed simply
by inserting the Java code
Hi Sudhir,
Try using interfaces for your objects. I have been able to use aspects
in my applications using Spring interceptors instead of weaving, which
is triggered (I may be wrong here) when your class does not implement
any interfaces.
Bottom line: inject interfaces instead of bean
You can while testing (this is from the users guide):
LocalTaskQueue queue = LocalTaskQueueTestConfig.getLocalTaskQueue();
QueueStateInfo qsi = queue.getQueueStateInfo().get(default);
assertEquals(entriesCount, qsi.getTaskInfo().size());
Out of the development environment, you cannot.
On Jun 5,
Hello all,
Am Jeevan and am doing a project on Google Profile API.
The objective of my application is I need to fetch the profile of all
the users who are in a particular domain, and then display the
information of the users of that particular domain in the Google Apps,
and I have to deploy this
Hi,
My problem: Given a key and x sort criteria i want to fetch the
previous and next entity.
Im looking for suggentions on the most effective ways of implementing
this using the low level api.
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I get the following error trying to access a jsp:
The requested URL was not allowed: /sprintbbreport.jsp (resource
reports-sprintbb2010.appspot.com)
It needs to be protected by the admin user associated to the domain -
i set up the domain with this option on creation instead of allowing
any
Hi all:
We have found a temporary solution for this issue:
Try with an AJAX timer kicking the server (doing nothing), maybe one
request per minute (or less) and GAE will keep our site / users in the
same node.
In our testing it could avoid the GAE web instance reloaded, but if
the request
I have a problem with sessions. This is not a new problem it has been
something that has been bugging me since I started developing for GAE,
I am using SDK 1.3.3.1
Things I have done:
1. Enabled sessions in app-engine.xml with sessions-enabledtrue/
sessions-enabled.
2. Implemented Serializable in
Erich,
yes, this works fine. Thank you!
Ladislav.
On 28 kvě, 19:10, Erich erich.re...@gmail.com wrote:
I've used the following code, to limited success...
code
%@ page import=com.google.appengine.api.datastore.DatastoreService
%
%@ page
Well??? This problem happens EVERY time I deploy these days. As a
result Google App Engine has become USELESS as a hosting solution.
Any plans to fix this? Anything I can do on my side so that my uploads
work?
On Jun 7, 4:59 pm, Tristan tristan.slomin...@gmail.com wrote:
I keep on getting this
What version of the SDK are you using? I believe that this deadline was
increased significantly in 1.3.4.
On Tue, Jun 8, 2010 at 10:39 PM, Tristan tristan.slomin...@gmail.comwrote:
Well??? This problem happens EVERY time I deploy these days. As a
result Google App Engine has become USELESS as
Hi
Memcache API is missing this. Are there any ideas how to do that?
Regards,
Alex
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Memcache doesn't natively have this ability, even outside of App Engine.
You'll have to keep an index of used keys, or consider a different storage
strategy.
On Tue, Jun 8, 2010 at 4:36 PM, radzish radz...@gmail.com wrote:
Hi
Memcache API is missing this. Are there any ideas how to do that?
I am building a GWT-GAE-Java application that imports Google Contacts
using the GData Java Client library. I am following this example
here: http://code.google.com/apis/gdata/docs/auth/oauth.html
I am attempting the first stage of this demo where I create a URL the
user gets redirected to to
Hello all
how can i get my query result sorted based on creationdate and
also i want to do pagination for the same.what is the best way to do
that.can anybody refer me any example code?
Thanks
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