I looked in to the DB Viewer, and as well, I was trying to retrieve the
entity elsewhere immediately, and I got the message
pm.currentTransaction().begin();
log.info("Getting global tenant");
Key key = KeyFactory.createKey(Tenant.class.getSimpleName(),
GlobalTenant.globalTe
Hi,
I want to make my app's data searchable. is there any library or tool
available which can make my task easier?
Thanks.
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Thx John. Has google officially documented this constraint?
On Mar 5, 11:06 pm, John Patterson wrote:
> There is a max 5000 indexed properties for any Entity.
>
> http://groups.google.com/group/google-appengine/browse_thread/thread/...
>
> On 5 Mar 2010, at 21:48, Max wrote:
>
> > When I am tryin
Normally this error is transient and your app will deploy fine later.
On 6 Mar 2010, at 06:22, markanson wrote:
I am using Eclipse and I am repeatedly getting this error
Unable to update app: Version not ready. See the deployment...
I have tried changing the version number as well as changing
If you use the Google data classes (Key, GeoPt, Email, Link, User,
etc) in your entities you will have trouble serializing them through
GWT-RPC. Even though you're using JDO, you can still use Objectify's
GWT integration to solve the problem:
http://code.google.com/p/objectify-appengine/wiki/Obje
I was trying to use google app for my java based project it work
on fedora but i could not install it on window 7.
if any one can help me that how to install it on window 7 .
i am using eclipse 3.5 [galilio]...
i clicked on Help and then -- > install new software
but now software
I am using Eclipse and I am repeatedly getting this error
Unable to update app: Version not ready. See the deployment...
I have tried changing the version number as well as changing the
Application ID. Even doing those things, I still get this error.
mark
On Feb 18, 2:45 pm, App Engine Team
w
I am also unable to install gae plugin for eclipse 3.5 --
gelilio , on windows7
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Guillermo,
We have not formally published any benchmarks yet but here are some current
numbers for typical database operations. These tests were performed in
client/server mode using Cloud2db JDBC driver. Cloud2db JDBC driver has
ability to process queries/updates in incremental manner. This allow
Thanks Maly for your reply,
I got it going. I'm using GWT and after reading the doco properly and
adding a
to my gwt.xml file and copying my jdo objects to that dir it all
works. Real simple in the end
On Mar 3, 11:36 pm, Chummar Maly wrote:
> All you need to do is put this code in a servlet an
I haven't done anywhere near 14,000 image transforms in the entire
lifetime of the application (only 491 today for instance) so I don't
think this is the reason I'm getting the OverQuotaException for image
transforms.
I haven't noticed my Quota page showing "limited" for any quantity,
but haven't
On Fri, Mar 5, 2010 at 12:34 AM, Nacho Coloma wrote:
>>
>> Having an id field instead of a key makes queries easier. With
>> Objectify, you can create a query without needing to know that the id
>> is part of a key field:
>>
>> query.filter("id >", 5000).sort("-id")
>
> This would only work with
Is there any chance you're hitting per minute quotas?
http://code.google.com/appengine/docs/quotas.html
Image transforms have this quota, for instance:
14,000 transforms/minute
Memcache has a limit of 56/mb of writes and 284/mb of reads.
On Fri, Mar 5, 2010 at 1:49 PM, Jon Blower wrote:
> Hi
Hi Ikai,
I'm afraid I don't have any unit test code easily available, but I
could make a code sample when I have a little more time. In the
meantime I have some more information. It's not just the memcache put
operation that fails in this way. I've also seen similar failures of
other API operat
+1
NM
On Tue, Feb 16, 2010 at 6:13 PM, Esteban Masoero
wrote:
> Hi, I'm also interested in a both features, mainly the datastore one.
> Are we going to have something like this soon?
>
> Thanks,
>
> Esteban
>
> El 30/01/2010 6:08, Andrés Cerezo escribió:
>
> Hello!! Ho can I delete the logs and
Thanks. At least I know now.
On Mar 5, 3:00 pm, Don Schwarz wrote:
> No, we do not implement any of the destruction lifecycle (for servlets,
> filters, servlet context, etc.)
>
> I thought that we mentioned this explicitly in the documentation but I don't
> see it now. I'll get that fixed.
>
>
Sandeep,
Have you run any TPC benchmarks against Cloud2db?
Cheers,
Guillermo.
On 5 mar, 16:07, Sandeep Sathaye wrote:
> Hi Jacob,
>
> We just released a product called Cloud2db which could fit very well in your
> architecture. Here are some details.
>
> Cloud2db Server provides a standards-base
No, we do not implement any of the destruction lifecycle (for servlets,
filters, servlet context, etc.)
I thought that we mentioned this explicitly in the documentation but I don't
see it now. I'll get that fixed.
On Fri, Mar 5, 2010 at 1:17 PM, Steve Pritchard wrote:
> Based on empirical test
Jon, do you happen to have unit test code that reproduces this that I
can plug in to an app? I'd like to reproduce this.
On Thu, Mar 4, 2010 at 1:31 PM, Jon Blower wrote:
> Hi,
>
> I have a GAE-J application that involves requesting dynamically-
> generated images. The application has fairly hig
It sounds to me like all of this should either be:
1. In a single transaction - but you'll want to question how important
this is. Distributed transactions are hard to do an expensive:
http://danielwilkerson.com/dist-trans-gae.html
2. Versioned objects: you update each set of objects with a versio
Have you looked into Memcache's INCR?
http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/memcache/MemcacheService.html#increment(java.lang.Object,
long)
This'll do it atomically, but you run the risk of it being volatile,
so you'll have to account for that in your client
Basically each request is a thread in app engine. There are a couple
of ways to create multiple requests:
task queues - when you don't need to wait for a response
async url fetch - when you do need the results of your threads
On 5 Mar 2010, at 23:54, Marios wrote:
Hello there,
I've just re
Based on empirical testing I suspect it does not run.
Based on the GAE design that code only gets executed inside a request/
response cycle I suspect it does not run.
Does anybody know for sure? It is part of the servlet spec. Is it
documented anywhere that it does not run. If not it should be
Hi Jacob,
We just released a product called Cloud2db which could fit very well in your
architecture. Here are some details.
Cloud2db Server provides a standards-based abstraction layer over Google
Datastore (Bigtable). This product provides you with performance and
scalability of GAE along with
The idea is not to create any threads. Why would you want to do that?
The same happens in J2EE (web container and EJB container), you are
not allowed to create threads.
Threads are used by the web container in order to attend several
requests at once (in practice the same could be done using NIO)
I'm researching this right now for an article I plan on writing, but
it's not one of my highest priorities. I've heard HTTPUnit works (I
have also heard it doesn't work). Lastly, and I know this works for
sure but it is ugly, you could use raw JUnit with the test in the same
package (parallel direc
I have correctly installed the Google App Engine for Eclipse 3.5.1
However, I cannot create a new web application - the button simply
does not appear in the new project wizard. How do I fix this?
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Hello,
I'm trying to "enhance" my JPA entities using the maven-datanucleus-
plugin.
I have the following plugin configuration:
org.datanucleus
maven-datanucleus-plugin
2.0.0-release
**/*.class
true
ASM
JPA
compile
enhance
I was trying to deploy the jersey application in Google App engine and
getting the following error. Any clues
com.sun.jersey.server.impl.ejb.EJBComponentProviderFactoryInitilizer
getComponentProviderFactory: Linkage error when configuring to use the
EJB interceptor binding API. JAX-RS EJB support
Hi Guys
We have a small application running on JBoss, Seam, Hibernate and
PostgreSQL that we are thinking about moving to GAE/J.
To test the datastore we uploaded our data 1-1 so all our tables from
Postgres were represented as entity types in the datastore with the
entities relating to eachother
Hello there,
I've just read the documentation on Google App Engine and I realised
that you cannot create any threads in an application. You can only use
the main one which is created automatically with any runnable java
program.
I am wondering if there is the possibility to create threads using the
> If you're serving
> other files, you'll have to handle the ETag and If-None-Match headers
> yourself, and I don't believe that we interfere with you doing this now.
OK, good to know, thanks.
-g.
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This is a post from GAE Developer on 15 Jan 2010. Until now the
problem still persists.
From: Ikai Lan
Date: Fri, 15 Jan 2010 15:32:58 -0800
Local: Sat, Jan 16 2010 7:32 am
Subject: App Engine cold starts and overly aggressive cycling
Reply | Reply to author | Forward | Print | Individual messa
Hi, guys.
Is there any template/pattern for persistence layer implementation?
I mean such template that could help manage owned/unowned
relationships, transaction management, etc.
It could be very useful to know about such kind of pattern for JDO API
as well as for Low-level API.
Also, is there an
There is a max 5000 indexed properties for any Entity.
http://groups.google.com/group/google-appengine/browse_thread/thread/d5f4dcb7d00ed4c6
On 5 Mar 2010, at 21:48, Max wrote:
When I am trying to persist a ArrayList with size = 5000. The
app-engine throws following exception. Any ideas on the
When I am trying to persist a ArrayList with size = 5000. The
app-engine throws following exception. Any ideas on the max length of
listProperties?
Nested in javax.servlet.ServletException:
java.lang.IllegalArgumentException: Too many indexed properties for
entity: app: "testing0601",path < Elem
Hello all,
My application has been having very frequent restarts, even under
load. In some cases, the application restarts on every single
request. I've been in contact with some GAE folks, but the most
recent e-mail suggested that I "encourage others to post similar
trends and expose holes in o
Yes it does persist, the log says so. And your evidence for saying it
doesn't is what exactly ? Looked in the DB viewer ?
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Hello,
my application receive by mail, pictures which are encoding in jpg.
I would like to make some analysis in this picture (represented by an
array of byte ), comparison column by column, but GAE'S Image API
don't provide such function and many classes from javax.io... are not
authorized .
So
Hello,
I am trying to persist a simple class and does not persist.
pm.currentTransaction().begin();
Tenant tenant = new Tenant();
tenant.setName(globalTenantName);
pm.makePersistent(tenant);
pm.currentTransaction().commit();
@PersistenceCapable(identityType
Please invite it by using [XMPP Addresses] from gtalk for appengine.
Please refer to the following links for details of [XMPP Addresses].
http://code.google.com/intl/us/appengine/docs/java/xmpp/overview.html#XMPP_Addresses
Please try.
Thanks.
On 3月5日, 午前4:21, nicolas melendez wrote:
> Hi There
Is it possible that DN L2 caching in GAE drives down CPU milliseconds
used but overall response times get slower?
On 5 Mrz., 09:52, Frederik Pfisterer wrote:
> Thanks DN.
> For anyone interested, I'm using datanucleus-cache-1.1.1.jar now and
> it seems to work just fine.
>
> On 4 Mrz., 23:41, dat
Thanks DN.
For anyone interested, I'm using datanucleus-cache-1.1.1.jar now and
it seems to work just fine.
On 4 Mrz., 23:41, datanucleus wrote:
> GAE/J does not (yet) support DN 2.x
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Hi Jeff, thanks for the insightful points. I am the SimpleDS author,
and thought that maybe some of these issues need further explanation:
> * Not enough use of generics. Key, Query, and PreparedQuery should
> all be generified classes.
We tried that at first, but there is little benefit from t
Nope.
The same error:
***
/_ah/mail/str...@myapp.appspotmail.com 404 906ms 971cpu_ms 0kb
0.1.0.20 - - [05/Mar/2010:00:07:06 -0800] "POST /_ah/mail/
str...@myapp.appspotmail.com HTTP/1.1" 404 234 - -
***
This mapping, I think, mentioned in manual. This don't work fo
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