Jake,
you don't manage null values.
I normally write:
@Persistent
private Text Data;
public void setData(String data) {
if (data == null)
this.Data = null;
else
this.Data = new Text(data);
}
public String getData() {
if (this.Data ==
On 13 Mar 2010, at 13:14, Jeff Schnitzer wrote:
Some queries will certainly return faster than others, and from what
I've read/watched, keys-only queries should have performance profiles
roughly similar to simple gets. But there can be no doubt that real
queries are quite slow compared to
Thanks for the reply.
I have thought of this way as well, the problem is that I want to
allow the user to change the value of A.name. In this case I will have
to change all the B.Aname values too, which may by then be thousands
of Bs. This will also force me to put A and B in the same entity
Hi,
If it is a one time thing, the easiest is to use imacro plugin for
firefox (or similar). Just teach it to use the GAE admin to delete the
entities (20 per page) and then replay it in a lot of loops. This
takes one minute to set up and works perfectly.
Cheers,
Tobias
On Mar 13, 9:44 am, 杨浩
lo swz
Sent from my MOTOBLUR™ smartphone on ATT
-Original message-
From: google-appengine-java+nore...@googlegroups.com
To: Abridged Recipients google-appengine-java+dig...@googlegroups.com
Sent: Sat, Mar 13, 2010 04:19:30 GMT+00:00
Subject: [appengine-java] Abridged summary of
A new post
http://www.gdevelop.com/w/blog/2010/03/13/invoke-gwt-rpc-services-deployed-on-google-app-engine/
shows how to invoke GWT RPC services deployed on Google App Engine
from Java client.
Shorten url http://goo.gl/fb/n99D
Any feedback can be left on my blog, thanks.
Trung
--
You
public class Qarray {
public String[][] Cellval;
public Qarray()
{
}
}
---
import javax.jdo.annotations.IdentityType;
import javax.jdo.annotations.PersistenceCapable;
import javax.jdo.annotations.Persistent;
import
So you didn't declare the dummy class as persistable like I mentioned
that you ought to do ...
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I get this issue pretty often too, although my experience is that you
likely have an issue with one of your entities (sometimes your entity
can be properly coded, but there could be a fluke with how DataNucleus
+GAE interpret a particular feature/annotation, especially with
JPA).
For example, I
Hey Max,
Thanks for your reply! I tried to install the eclipse memory profiler
(TPTP --
http://www.eclipse.org/tptp/home/downloads/installguide/InstallGuide42.html#install_update_manager)
but for whatever reason there seems to be a conflict with the Google
Eclipse plugin because now there's no
I thought I have done it by declaring my array elements into a
separate QArray class..I probably misunderstood your solution..Can you
give some code examples involving string arrays and dummy classes?
On Mar 13, 11:49 am, datanucleus andy_jeffer...@yahoo.com wrote:
So you didn't declare the
I said have a dummy class with an ArrayList, not a dummy class with a
multiple-dimension array. I also said make the dummy class
persistable ... @PersistenceCapable. Nothing worthy of an example
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Google App Engine for
hello all,
am developing app called cloud based teaching system.
Initially it accepts the google account user name and password for the
user.
I am thinking of provide 3 different level of authentication.
1)Student
2)Faculty
3)Admin
Admin can add faculty and remove faculty and can do all
They aren't that complex, and I never really got any compile-time
errors (which I think you are referring to) - all the issues are run-
time. Anyway, I went ahead and limited the ORM compiles to just the
subdirectory that has the entities (using the Eclipse GAE option).
Hopefully that'll fix the
Hi I am getting the same NullPointerException.
The challenge is that my app runs fine in my local eclipse but it
gives me this error when it's deployed to app engine. And the error
gives me very little information as to what went wrong.
What's the best way to debug the nullpointerexception with
Hello,
Here are some ideas that could help you find out how to solve this.
Create an object in the database that would map email address to it's
role. Something similar to:
UserEntity
User user; // or email that is logge
String role; // role name
So the information in this table may
My case:
I am building a website that has several searchable fields from
various entities (example Artist names from artist entity , Album
names from album entity). To have an efficient search capability I
have defined another Entity - SearchType which carries the Searchable
string and the Foreign
Got it to work.
Thanx
On Fri, Mar 12, 2010 at 3:19 PM, thierry LE CONNIAT thlec...@free.frwrote:
HI,
I have try your function deleteAllMyType
it's functions well, the differenxces are in my class of object :
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Picture
Hi
I am trying to build online reg form
can u help me how to upload image files to app engine.
First: is there any way to upload images in app engine?
thanks
Nag
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u can directly upload the images to the GAE,but when you are developing the
web app hope you will using links to specify the images and those images
will uploaded to the engine.you cant explicitly upload any images
Warm Regards,
Jeevan Dongre.
|| Wisdom is Power ||
On Sun, Mar 14, 2010 at 7:12
AFAIK almost any file can be apart of the docs that you upload (images, css,
html, js, jsp, ico). I haven't had any trouble uploading images.
Are you talking about accepting images from an input form? In that case you
can store them as a blob type in the datastore.
Hope this helps
On Sun, Mar
there could be a fluke with how DataNucleus+GAE interpret a particular
feature/annotation
The log would tell you if that was the case. More likely the GAE/J
Eclipse plugin of hasn't detected a change in the source file.
Obviously there is also the DataNucleus Eclipse plugin to use ...
--
You
Hi I am trying to download all of the datastore objects in my application with
the bulkloader and then upload them into a different application.
I use this command to download:
bulkloader.py --dump --app_id=jsm277
--url=http://bulkmove.latest.jsm277.appspot.com/remote_api
Scratch one cause off of the list. I found out that the client would always
send each request without credentials, the server would kick back a 401 and
then the client would resubmit with credentials every time! It was nuts,
two requests for each useful request :( Since doing that the app has
So, the business requirements of my application need a query which needs to
search for a property (let's call it foo) and a date property such that it
will filter out all objects older than a certain date. I guess in GAE/J
this would be something like
Query q = new Query(MyKind)
When updating my app in windows, either through the GoogleAppEngine
GUI or the appcfg.py console command, I will end up getting errors
when visiting my page because modules would be missing. When updating
the exact same folder on my mac (the goole app engine project is
within my dropbox), I
Hi
You could try this.
Create a composite string field of all three values padded with 0's
for the numerics so that they will sort alphabetically
for instance a new field (composite_field) date + foo + bar
where date 20100221 (MMDD)
foo is 2
bar is 00041
So your field
Yuchh
Ignore this. That will teach me for posting whilst half asleep.
Complete rubbish
T
On Mar 13, 11:50 pm, Tim Hoffman zutes...@gmail.com wrote:
Hi
You could try this.
Create a composite string field of all three values padded with 0's
for the numerics so that they will sort
hello all,
am developing app called cloud based teaching system.
Initially it accepts the google account user name and password for the
user.
I am thinking of provide 3 different level of authentication.
1)Student
2)Faculty
3)Admin
Admin can add faculty and remove faculty and can do all
Hey there, I may be having the same problem. People have tried to
invite me, but I don't see the invites in my mailbox.
On Mar 12, 10:59 am, dflorey daniel.flo...@gmail.com wrote:
Hi,
I've experienced that invitation emails to invite developers to a App
Engine application is not working
I know we can't shard our app into 10 small sites just to get around
quotas, but what about creating different versions of our site for
different languages, data providers, etc?
I'm making an Amazon affiliate site, and will eventually create a
version for Japan, Canada, Europe, etc. And, I'd
Error rate on my app is way way too high for the past 16 hours.
Getting tons of: too much contention on these datastore entities.
please try again. Appengine status page does show Anamoly for
datastore. AppEngine team, please let know what's going on there. Any
estimates on fix for this issue
I just came back from not really messing with GAE for nearly a year,
and an old app that I installed has become inaccessible from the
control panel. I go to the control panel and it only offers to me the
option to create a new application. Well where is my old one? Its
still accessible by the
Thanks. That's weird that you can only have 10 apps per phone number.
They should let you buy more if you need em!
---
Sent from my iPhone
On Mar 13, 2010, at 3:49 PM, pythono arjun.va...@gmail.com wrote:
I'm not a google employee or anything, but I think the TOS specifies
that your apps
Well,
I am assuming this was a typo in your original e-mail (since the error does
not seem to suggest you are actually running this command) but:
--url=http://bulkmove.latest.railsturbinetest.appspot.com/
Should be:
--url=http://bulkmove.latest.railsturbinetest.appspot.com/remote_api
On Sat,
Hi Google App Engine,Our government is churning out one hazardous bill after another. This time it is a bill called the Civil Liability for Nuclear Damage, and it's coming up for a vote in a couple of days.
The bill lets U.S. corporations off the hook for any nuclear accidents they cause on
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