Hi,
I tried a little.
It seems not to operate in production
though it is normal in the develop (403. Jsp displays it).
If you are the same phenomenon,
you might have also to do post to issue list.
thanks.
Hi, all
I have an application, that allows only administrator to enter it, but
I
Hi, guys.
Can you tell me how could I add filter to query with OR operation?
I.e., if I want to fetch all entities that have a field with certain
value or with another one.
Best regards, Alexander.
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Hi,
Though it is likely already to have known
I think that I can use jaxb by using memcache or datastore instead of
the filesystem.
The following links might be useful for marshal/unmarshal.
http://stackoverflow.com/questions/1955396/whats-the-easiest-way-to-persist-java-objects
Plese try.
Guys I think cursors are the best choice for paging ... It is also
safe to send a cursor to the client and this is exactly what i am
doing ... I am saving all cursors on the client in an ArrayList and
using them to page forward and backward ... of coarse u have to start
by page 1 and move forward
I've got a Game object that includes two PlayerGameState objects. Both
are persistence-capable. My query fetches all PlayerGameState objects
for a particular user, then I get the associated game and other
player. The initial fetch is always fast, and the entire operation is
generally lass than a
So a Person can have a favored Food. But a Food is not linked to only
one Person, but can be the favored Food of more than one Person.
Ok, I understand that we don’t have a Food-Object in the class Person,
but instead we have the Key to the food.
Ok, now I want to get the favored Food Object
Thank you Ikai
On Fri, Apr 30, 2010 at 4:29 AM, Ikai L (Google) ika...@google.com wrote:
You'll have to do another query since we don't peek ahead to see if
you're at the end of the query result or not. You can optimize this,
however, by doing a keys only query so you don't have to fetch the
You can find a more detailed discussion on this here
http://groups.google.com/group/google-appengine-java/browse_thread/thread/da8b96441b0ae038/667aac2bb4109097?lnk=raot
On Fri, Apr 30, 2010 at 1:17 AM, korey_sed kouro...@gmail.com wrote:
I wonder if the java datastore API's cursor is a forward
Guys I think cursors are the best choice for paging ... It is also
safe to send a cursor to the client and this is exactly what i am
doing ... I am saving all cursors on the client in an ArrayList and
using them to page forward and backward ... of coarse u have to start
by page 1 and move forward
Maybe Query.addFilter() can help you?
http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/Query.html#addFilter%28java.lang.String,%20com.google.appengine.api.datastore.Query.FilterOperator,%20java.lang.Object%29
Just wonder if JPA/JDO can fit into your case:
I'm happy to report I found the issue. If you are loading and
executing Javascript files with Rhino on GAE, make sure you *do not*
have yuicompressor-2.4.1.jar in you WEB-INF/lib directory. It
overwrites some core portions of the rhino library and breaks the
functionality this thread discussed.
This may be the one you are looking for. It works with JAXB 2.2, Jersey
and GAE http://tugdualgrall.blogspot.com/
Duong BaTien
DBGROUPS and BudhNet
On Fri, 2010-04-30 at 15:38 +0430, Łukasz Woźniczka wrote:
This link is useful.
JDO is a thin layer which gives you some kind of automation and
restriction.
But it exists only an run time. I mean you have to instantiate objects
first. In other words
Company c = getCompany();
for(Person p:c.getPersons()){
if(p.isDeleted())
continue;
//do what ever you want to do
}
I think korey_sed wanted to share knowledge base on his hand on experience,
his example should work...
The point in his example is querying with key, whether it's in child on
parent or child class
http://gae-java-persistence.blogspot.com/2010/01/querying-with-key-parameters.html
Obviously loading
Yep, thanks.
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Please share your example if you can. We will share our solution at the
right time for using: (1) GAE, Guice, Objectify, Jersey REST and JAXB at
server side, (2) Jersey REST client, JSONP in GWT 2.
Thanks.
BaTien
On Fri, 2010-04-30 at 22:41 +0900, seleronm wrote:
Hi,
That's great information
I understand that there are limitations on Memcache vis a vis Non-
Serializable objects. Is there a way to tell what's Non-
Serializable? I've been searching but maybe its too rudimentary a
question :)
Is my class below Non-Serializable? GAE is giving me error messages
so I'm guessing it is.
Does it implements Serializable ? No.
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Hi,
I'm a fairly longtime Java developer, but a real novice with App
Engine, and I have been trying for the last day to get even the
simplest tag file to work with a new Java App Engine project. The
last mention I have seen of this issue in these forums is over a year
ago - did everyone just
Hi,
I configured spring security on my gwt project that runs fine on app
engine environment on local but does not work on live environment when
i deploy to appspot.
Here is my configuration file.
---
web.xml
---
?xml version=1.0 encoding=UTF-8?
!DOCTYPE web-app
PUBLIC
I have been trying to find a workaround for this limitation and spent
2 days and read almost all blogs, discussion
groups., but can not find a solution to it. Has
any one able to find a way to handle this limitation? (The List
property solution doesn't work.)
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I tried to implement unowned one to many relationship using column alias as
explained here
http://gae-java-persistence.blogspot.com/2010/02/truth-about-joins.html
Here's my code
@Entity
public class User extends BaseEntity implements UserDetails {
@Basic
private SetString _roles = new
Hi,
How about this example?
taglib
taglib-uri/WEB-INF/tags/taglib-uri
taglib-location/WEB-INF/xxx.tld/taglib-location
/taglib
Hope some of this helps.
Please try.
thanks.
Hi,
I'm a fairly longtime Java developer, but a real novice with App
Engine, and I have been trying
Can someone confirm or refute if the MemcacheService is LRU or not?
I'm looking to implement a sliding expiration within the memcache
service but if it is already an LRU then I don't need to bother.
Thanks,
Keyur
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Computer science is full of acromym, that are sometimes badly translated. If
were you i'elle explain what you are thinking of by LRU.
Le 30 avr. 2010 20:02, keyurva keyu...@gmail.com a écrit :
Can someone confirm or refute if the MemcacheService is LRU or not?
I'm looking to implement a sliding
Can i atleast approximate the sender's location by using gmail's mailserver
ip? is that possible.i am not looking for very accurate location.
On Fri, Apr 30, 2010 at 2:27 AM, Ikai L (Google) ika...@google.com wrote:
From this page:
Meaning:
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Location implements Serializable {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Long id;
@Persistent
private Long deptId;
So simply adding
Thanx for reply.
But, how do you propose to implement OR operation with
Query#addFilter()? As I understand several filters are executed with
AND operation.
OR operation with JDO/JPA is trivial and I'm not interested in JDO/JPA
implementation, thanx.
Best regards, Alexander.
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Hi, can I create web services in Google App Engine?
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There was an issue (
http://groups.google.com/group/google-appengine-java/msg/81ce8ba928761e73?pli=1)
with tag files that is fixed in Appengine SDK 1.3.3 (
http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes).
Could this be the problem?
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Yes, most certainly, as long as the classes you want to use are on the
whitelist.
Ikai Lan
Developer Relations, Google App Engine
Twitter: http://twitter.com/ikai
Delicious: http://delicious.com/ikailan
Google App Engine links:
Blog: http://googleappengine.blogspot.com
Twitter:
Yes, Memcache uses LRU to expire elements:
http://en.wikipedia.org/wiki/Memcached
Romain, this stands for Least Recently Used and refers to Memcache
automatically throwing items out of the cache if they have not been
written/read and the space is needed. What this essentially means is that
you
Hello
I installed Google Plugin for Eclipse 3.5 by
http://dl.google.com/eclipse/plugin/3.5.
but when I created a new project, eclipse give me a message:
The selected App Engine SDK is not valid: SDK directory 'C:
\Development\Eclipse\plugins\com.google.appengine.eclipse.sdkbundle.
Hi, thanks for posting but no, that's not my issue. I had read those
posts, but my tag files don't work even in Eclipse! I'm nowhere near
hitting all the problems associated with trying to deploy.
Has ANYONE ever got JSP fragment tag files to work? I can't see any
evidence that they have, yet
The example posted by seleronm is indeed the way you set up the
web.xml for compiled Java tags referenced by a TLD, but that's quite a
bit different.
I realise the nomenclature is confusing, but I am asking about
JSP .tag files - not Java - that live in a tags directory referenced
by a %@ taglib
Hi, Query.addFilter() help to add filter, but not with OR operation as your
need (sorry for my bad reading).
http://gae-java-persistence.blogspot.com/2009/12/queries-with-and-in-filters.html
This post explained that JPA/JDO (datanucleus-appengine) in fact break the
query into multiple ones.
If
My tag files worked very well in dev server without any problem. When
uploading to gae/j, I encountered the problem describe in the above
mentioned issue and I could fix it according to the workaround
guidelines provided in that issue.
My environment:
WinXP SP2
Eclipse version 3.4
GAE/J SDK 1.3.1
Thank you Barry!
Now I know what the problem is. When I registered this Gmail account I
was in Germany, where there are legal issues between Google and one
guy over the Gmail name. So, if you want to register a Gmail account
from a German IP address, Google gives you an email with
@googlemail.com
I want to allow users to download the current state of my app data.
There will be around 17MB of data over ~200K+ records, which makes me
concerned about timeouts.
What strategy do you suggest for making the data available for
download? Cache it periodically in multiple blob objects?
Thanks,
I can confirm this.
I was able to invite my Google Account into a Google Apps For Domain
appID using my Google Apps for Domain user.
Thanks, Google!
-Tino
On 29 Apr., 09:43, Pieter Coucke pieter.cou...@onthoo.com wrote:
Jey, the invite button is back!
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There is
http://code.google.com/p/googleappengine/issues/list
I thought it was listed there, but a quick search now cant find it :(
On 30 April 2010 09:45, Luigi arru...@gmail.com wrote:
Thank you Barry!
Now I know what the problem is. When I registered this Gmail account I
was in Germany,
Are the AES libraries included in the stardard JDK available under the
GAE java VM?
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Please take a look into
http://code.google.com/appengine/docs/java/config/webxml.html#Security_and_Authentication
if it helps.
Most often, the answer from the groups for custom authenticate /
authorization (particular set of users in your post) is to build your
own one.
Thanks
On Apr 30, 1:41
Problem is fixed for me.
Thank you.
2010/4/30 Ikai L (Google) ika...@google.com:
Hey everybody,
We've fixed all entities that were locked in this state. Can you guys let us
know if further issues persist?
On Wed, Apr 28, 2010 at 11:16 PM, stephane stephane.philipa...@gmail.com
wrote:
So you are not getting any actual error messages?
Do you see requests showing up in the request log when expected? When
you tell your app to do something does a request show up?
Are you sure you do not have a front-end issue?
Robert
On Wed, Apr 28, 2010 at 11:44 PM, WeShine Tech
Thanks Barry!
Just open a new issue here:
http://code.google.com/p/googleappengine/issues/detail?id=3176
All who are suffering from this issue, please vote for it.
Greets
On Apr 30, 12:45 pm, Barry Hunter barrybhun...@googlemail.com wrote:
There
Hi,
I have just uploaded my java(GWT 2.0) application to google
production server. Now, I am looking for the solution to transfer my
data from dev mode to the production server at Google.
I am using Eclipse for the development in Java.
I have found some solution at code.google.com in python.
I develop Facebook applications, I would really like to use AppEngine
for future but I think billing should be more feasible.
I have 4 million users, If I decide to email users every day, for an
abridged summary, It would cost me 200$'s and I could only email 2
million users.
According to my
Just out of curiousity - wouldnt it be easier to create a script to
generate the file and host it elsewhere (shared hosting or st just for
these files)? It seems a lot simpler than dealing with the inevitable
issues surrounding large file downloads...
Sent from my iPhone
On 2010/04/30,
Hello
I simply want to know how do I remove my IP address from Google
Black List. This is not allowing me to deploy my site on app engine.
Please help me on this.
Thanks
Nitin
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Thanks. Looks like I misunderstood GAE authentication. As I now
understand matters, if I enable Google authentication for my app, then
it's *available*, but not enforced unless I explicitly code something
up using the Auth API, or set up a security constraint in web.xml.
Which is perfect.
On Fri,
I use Google Accounts to identificate users of my service. But not all
users have registered google accounts. What can I do if I want to
allow these users to sign-in to my site with 'guest' account, for
example gu...@gmail.com. Should I register such account myself? May be
Google have some special
It would probably be more cost effective to have a page people can
visit to get the daily summary, rather than using email.
I would also wonder why your pricing structure can't afford 3 cents a
month per user to cover the email expense. But without knowing what
the application is, I can't really
I don't think that Google runs Windows-XP-Vista-7 on there servers.
2010/4/27 Wooble geoffsp...@gmail.com:
On Apr 26, 7:11 pm, Hanh mercury24...@gmail.com wrote:
I'm trying to create an app on the cloud, and it needs to launch a
program from the Program Files on the host machine. I tried it
I just read this article, and I was curious what/if there was anything that
GAE does (or is capable of doing) to comply with this sort of law..
http://www.darkreading.com/database_security/security/app-security/showArticle.jhtml?articleID=223200019cid=RSSfeed_DR_News
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Patrick H. Twohig.
My use case is as follows -
1. tasks which do not support idempotence inherently (such as deletes,
and some puts) carry a unique identifier, which is written as a
receipt in an attribute of an entity that is updated in the
transaction.
2. When a task arrives carrying a receipt, I check that it
Google? Can you please help me, or let me know you have filed a bug?
On Mar 31, 11:36 pm, esilver ericsilverb...@gmail.com wrote:
Hi - This is the same issue as:
http://groups.google.com/group/google-appengine/browse_thread/thread/...
For my app, version v1-03 and v1-10
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