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 for
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
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 andy_jeffer...@yahoo.com wrote:
GAE/J does not (yet) support DN 2.x
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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 pfiste...@gmail.com 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
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
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
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 .
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 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
When I am trying to persist a ArrayListString 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
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 ArrayListString with size = 5000. The
app-engine throws following exception. Any ideas
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
This is a post from GAE Developer on 15 Jan 2010. Until now the
problem still persists.
From: Ikai Lan i...@google.com
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 |
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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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
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
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
Hello,
I'm trying to enhance my JPA entities using the maven-datanucleus-
plugin.
I have the following plugin configuration:
plugin
groupIdorg.datanucleus/groupId
artifactIdmaven-datanucleus-plugin/artifactId
version2.0.0-release/version
configuration
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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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
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
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
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
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
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
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
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 jon.blo...@gmail.com wrote:
Hi,
I have a GAE-J application that involves requesting dynamically-
generated images. The
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 steve...@gmail.com wrote:
Based
Sandeep,
Have you run any TPC benchmarks against Cloud2db?
Cheers,
Guillermo.
On 5 mar, 16:07, Sandeep Sathaye sandeep.sath...@gmail.com wrote:
Hi Jacob,
We just released a product called Cloud2db which could fit very well in your
architecture. Here are some details.
Cloud2db Server
Thanks. At least I know now.
On Mar 5, 3:00 pm, Don Schwarz schwa...@google.com 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
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
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
On Fri, Mar 5, 2010 at 12:34 AM, Nacho Coloma icol...@gmail.com 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
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
Thanks Maly for your reply,
I got it going. I'm using GWT and after reading the doco properly and
adding a
source path='server/jdo'/
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 chum...@gmail.com wrote:
All you
I am also unable to install gae plugin for eclipse 3.5 --
gelilio , on windows7
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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
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:
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
Thx John. Has google officially documented this constraint?
On Mar 5, 11:06 pm, John Patterson jdpatter...@gmail.com 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:
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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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(),
I solved my problem rewriting the server-side method as follow :
http://pastebin.com/TzwXaJRG
On Mar 1, 10:27 pm, lyhana8 lyha...@gmail.com wrote:
Did you find a solution ? I got the same issue and looking for a
solution for 4 days now. Seem the RPC respone is messed-up while the
XML is
Thanks PK, I'll check it out now.
Nick
On 5 March 2010 19:41, PK p...@gae123.com wrote:
Hi Nick,
I have been using the pattern described by Rafe very successfully in
my app. Regarding the problem you are desribing I have written up how
I solved the problem here:
c...@your solution, PK!
Since db.PropertiedClass is not documented in the official docs, I'm
assuming there's a chance that its implemented could change in future
releases, and possibly break your code yeah?
Can someone from Google please comment on whether db.PropertiedClass is
concrete enough
In the development environment clear your index.yaml.
Run through your app completely, get every query to execute once.
Your index.yaml contains all the currently needed indices.
Upload index.yaml
Vacuum indices.
2010/3/4 Jairo Vasquez Moreno jairo.vasq...@gmail.com:
Hi all,
I'm starting to
Dear All,
I can't find documents concerning the XML handling in appengine. Could you
help me? Is there a documentations somewhere?
Can I use self.request.get()? (How?)
Thanks
Massimiliano
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There is absolutely nothing special about App Engine's handling of
XML. The input to or output from App Engine can be XML. You can parse
and generate XML with any of the standard pure-Python XML-handling
libraries such as minidom.
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Sorry, but this my first website (I'm not a programmer, but just a trier),
so I'm like Alice in wonderland (I have just seen this film). So minidom is
a library I can use to handling XML in and out, right? As I need to
interface a page of the website with another website, that could give me
the
bump
On Mar 3, 7:23 pm, Eli Jones eli.jo...@gmail.com wrote:
Heh, yes.. I printed out your Java and it seemed perfectly fine after
reading through it several times... But Java is just wayy to busy
looking for my tastes.
Good luck getting some clarification on what's happening with this.
On
Thanks for sharing this information. It may very well be highly
irrational but it does feel good to get some insight into what
happened and how you guys respond to it!
One paragraph in particular caught my attention:
- A new option for higher availability using synchronous replication
for reads
I've been working on a Guideline for Postmortem Communication, and ran
this post through the guideline:
http://www.transparentuptime.com/2010/03/google-app-engine-downtime-postmortem.html
Overall, this may be the simple most impressive postmortem I've seen
yet. The amount of time and though put
If you want to parse HTML, use the Beautiful Soup HTML parser instead:
http://www.crummy.com/software/BeautifulSoup/
It's rather unlikely that HTML will parse correctly as XML even if the
designer and programmer are striving for that.
On Mar 5, 9:52 am, Massimiliano
Hi m using ape for some application,,,and i want to retrive object
from datastore based on two condition...my code works fine for one
parameter,,but need help on how to declare two parameters and setting
filter for them...
it would b great if somebody can help me on this...
thanks in advance...
I have installed the correct version of the appengine plugin for
eclipse 3.5.1. The installation worked as expected and it shows up in
'Installed Software'. However, There is no 'New Web Application
Project' button in the file menu even after I 'Reset Perspective'. I
have already tried
On Mar 2, 6:05 am, Nick Johnson (Google) nick.john...@google.com
wrote:
Actually, the default limit is 30 active requests.
-Nick Johnson
Hi Nick,
Will Google make simultaneous dynamic requests limit be part of a
billable option in the future, such that applications can pay to have
this limit
Can you post the code you are using right now, or at least ell us what
language you are using?
Robert
On Fri, Mar 5, 2010 at 10:42 AM, santosh mantri sandy1man...@gmail.com wrote:
Hi m using ape for some application,,,and i want to retrive object
from datastore based on two condition...my
Patrick, let us know if you do find any glaring differences. Nothing
we've done yet has demonstrated that JDO/JPA introduces anything
beyond negligible overhead to queries, but we're always in need of
more good data.
On Thu, Mar 4, 2010 at 11:47 PM, Patrick Twohig
patr...@namazustudios.com wrote:
Wow, I second lennysan. Awesome postmortem! Thank you so much for
sharing it with us.
Marc
On Mar 5, 12:25 pm, lennysan lenny...@gmail.com wrote:
I've been working on a Guideline for Postmortem Communication, and ran
this post through the
Please add yourself to the SMS waitlist:
https://appengine.google.com/waitlist/sms_issue
On Fri, Mar 5, 2010 at 6:47 AM, anupmistry anup.mis...@gmail.com wrote:
Google App Engine is asking me to verify my account via SMS. Am in the
United States ATT. After entering the number and Send it
Hi robert..
Actully my code is not with me right now..
by the way i'm using java api for the same..
code is gvn below..it may have some syntactical error...
pm is Persistence data manager
Query q=pm.newQuery();
q.declareParameter(String param);
q.setfilter(id==param);
ListMyClass ls=(ListMyClass)
Connections should be short-lived, so from an absolute perspective,
yes. From a practical perspective, if your requests are designed to
execute as quickly as possible, it'll take a long time before this
affects application performance. Note that static assets do not count
against this limit.
On
I reinstalled eclipse and everything works now.
On Mar 5, 12:54 pm, sebastian.zim sebastian@googlemail.com
wrote:
I have installed the correct version of the appengine plugin for
eclipse 3.5.1. The installation worked as expected and it shows up in
'Installed Software'. However, There is
No, you'll have to add this to your DAO layer. It sounds like in your
example, c is actually the Parent and both a and b are the children
(but that's just me playing games with words and naming).
On Wed, Mar 3, 2010 at 9:10 AM, anjolight yo...@atsumistudio.com wrote:
Hi,
I'm trying to create a
That's totally up to you. I don't see significant performance
differences between Polymodel and regular db.Model classes. Your
indexes will be a much larger factor here in terms of performance.
On Thu, Mar 4, 2010 at 11:32 AM, Jairo Vasquez jairo.vasq...@gmail.com wrote:
My question was more
Is it possible to view more than 20 items at a time in the DataStore
Viewer on the Dashboard?
thanks,
pete
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I know you can by adding limit=50 to the URL, I think it works up
to 200. I have not found a button or field to enter the limit.
Robert
On Fri, Mar 5, 2010 at 2:43 PM, pkhoosh pkho...@gmail.com wrote:
Is it possible to view more than 20 items at a time in the DataStore
Viewer on the
Santosh,
Have a look at the Query Filters section here:
http://code.google.com/appengine/docs/java/datastore/queriesandindexes.html#Introducing_Queries
They have several examples there.
Robert
On Fri, Mar 5, 2010 at 2:18 PM, santosh mantri sandy1man...@gmail.com wrote:
Hi
I am recreating my Python server in Java, here is the specific python
section I'm stuck on:
--
class AddThread(webapp.RequestHandler):
def post(self):
catKey= db.Key(encoded=self.request.get('catKey'))
cats = db.GqlQuery(SELECT * FROM Category WHERE ANCESTOR IS :
1 ORDER BY
Thanks Robert!
Ultimately, though, I think the best solution is for me to write a
data exporter to get a dump of a data store as a CSV. I'm a bit
relucant because I was not successful with a data upload loader and
the Google Group didn't provide that much support and advice.
On Mar 5, 1:47 pm,
I added some indices to my app, and now its saying I'm over some
limit. I removed the indices from my index.yaml, and redeployed but
it still tells me its building the indices and I still get the errors.
Can I cancel the building of these indices? It seems to be just
sitting there and its
Hi,
I've been experiencing this problem for a couple months now and the
only hunch I have is that it has something to do with data nucleus.
What I mean is that I have a stable version of my app running at
http://la.truxmap.com, (app id: truxmap) and i have the same app for
another city at
The datastore statistics is a great concept. However, I consistently
see that the majority of my space goes to metadata. From other
postings I see that I am not the only one. Here is an example from my
application that contains roughly 15,000 entities:
Breakdown by Property Type Property Type
One big advantage of polymodels is queries against the base class can/
will
return all subclasses meeting the criteria.
You can't do that with normal python inheritance. You query is
always
bound to a particular model.
That would be in my mind the single biggest reason to chose
PolyModel vs
Have a look at the bulkloader tool:
http://code.google.com/appengine/docs/python/tools/uploadingdata.html
Robert
On Fri, Mar 5, 2010 at 7:03 PM, pkhoosh pkho...@gmail.com wrote:
Thanks Robert!
Ultimately, though, I think the best solution is for me to write a
data exporter to get a
Every entity stores the full property name for every property defined
on that model. So if you have long property names it takes a lot of
space. On models with only numbers, booleans, and short strings we
often see metadata make up 50%+ of a models, unless we use really
short property names (2
ya,I had gone through it but it do not have any solution for problem that
i'm facing..
On Sat, Mar 6, 2010 at 3:22 AM, Robert Kluin robert.kl...@gmail.com wrote:
Santosh,
Have a look at the Query Filters section here:
Aren't you asking how to filter on two properties? As in this example:
query.setFilter(lastName == 'Smith' hireDate hireDateMinimum);
query.declareParameters(Date hireDateMinimum);
Robert
On Sat, Mar 6, 2010 at 12:42 AM, santosh mantri sandy1man...@gmail.com wrote:
ya,I had gone
query.setFilter(lastName == 'Smith' hireDate hireDateMinimum);
query.declareParameters(Date hireDateMinimum);
in this example value to be compared with lastname is hardcoded as
Smith and there is only one dynamic parameter as hireDateMinimum...
But i want both parameter to be dynamic..and
Should just be:
query.setFilter(lastName == lastNameParam hireDate hireDateMinimum);
query.declareParameters(String lastNameParam, Date hireDateMinimum);
query.execute(lastnamevar, hiredatevar);
Look at the sharded counters article for a demo:
Hey thanks a lot..
I shall try this now...i think it will work..
thnks once again
On Sat, Mar 6, 2010 at 11:50 AM, Robert Kluin robert.kl...@gmail.comwrote:
Should just be:
query.setFilter(lastName == lastNameParam hireDate hireDateMinimum);
query.declareParameters(String lastNameParam,
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