Judging from:
http://code.google.com/intl/pl/appengine/docs/java/howto/unittesting.html
---
if every test starts with a clean datastore
---
it clears local datastore every time - so it works as expected.
But may be after removing line:
datastoreService.clearProfiles();
Inheritance and class hierarchy is very important in OOP but it has a
different meaning when it comes to persistence. You cannot take
advantage of OOP concepts like: encapsulation, polymorphic etc. So, as
Ikai pointed above, you can run into over-engineering trap going that
way.
In my opinion the
Actually, that's a good idea. I have sent a request to be added to the list.
Thanks!
On Wed, Dec 2, 2009 at 8:02 PM, Ikai L (Google) ika...@google.com wrote:
Wow, looking great! Did you want this added to the list of Open Source
projects?
This is strange - when I retrieve the object after persisting via
JDOHelper.getObjectId(obj), I get an object back no problem. Then,
before trying to delete the object, I do pm.newObjectIdInstance
(Categories.class, key) and I get a NullPointerException. I know in
this post I've put in
Does anybody have a solution to this problem, an immediate reply will
be highly appreciated.
Thanks,
Muhammad Umair
On Dec 3, 2:29 am, umair umair...@gmail.com wrote:
I am getting this error when deploying the youtube direct application
to google app engine.
Unable to update:
This is strange - when I retrieve the object after persisting via
JDOHelper.getObjectId(obj), I get an object back no problem.
Yes, but you haven't told us what is the id returned by that method.
And whats in the log when you invoke that pm.getObjectById ... ?
Then,before trying to delete the
anyone???
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On Thu, Dec 3, 2009 at 8:00 AM, Prashant antsh...@gmail.com wrote:
anyone???
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thanks a lot
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what if I want to send only one of the admins? there is no way, right?
does that work for XMPP also?
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I'll also point out that while it's not on our official roadmap, we have
marked http://code.google.com/p/googleappengine/issues/detail?id=217 as
started. Development is still in the very early stages so the only thing
it's safe to conclude about timeline is that we don't expect it to be ready
For small and readonly indexes you can use lucene and it works without any
issues. All you need to do is generate your index outside the appengine
environment and put your index files in the war package that is deployed.
(Somewhere under WEB-INF would be the best place I think)
Erdinc
On Thu,
You set them up as an administrator to your App Engine Application
On Dec 1, 11:55 pm, Prashant antsh...@gmail.com wrote:
Hi,
whosoever I send a mail it gets counted in Recipients Emailed quota, how
do I use Admins Emailed quota to send mails to admins.
Thanks.
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no, no, I meat to say that, suppose there are 3 admins and I want to send
mail to only one admin using admin quota. this is not possible, rite?
And, does following work for XMPP?
XMPPServiceFactory.getXMPPService()
.sendMessage(
new MessageBuilder()
.withRecipientJids(new
I just started testing with the 1.2.8 prerelease, and I'm getting the
following exception from Queue.add() in code that works in 1.2.6:
java.lang.IllegalStateException: Current enviornment must have the server
url available via the com.google.appengine.server_url_key attribute.
This only happens
On Thu, Dec 3, 2009 at 12:02 PM, Prashant antsh...@gmail.com wrote:
no, no, I meat to say that, suppose there are 3 admins and I want to send
mail to only one admin using admin quota. this is not possible, rite?
Correct.
And, does following work for XMPP?
Why isn't there a system property that can be used to detect if a
program is running on appengine?
This is really a glaring oversight. I would expect something like
System.getProperty(google.appengine) to be development or
production (or of course null).
Before someone says check the servlet
Hi Vince,
That sounds like a bug in our code that was a side effect of the automatic
task execution that now happens in the dev environment. Let me see if I can
come up with a workaround for you.
Max
On Thu, Dec 3, 2009 at 10:06 AM, Vince Bonfanti vbonfa...@gmail.com wrote:
I just started
The compass solution is probably sufficient for pet projects. If I
correctly recall, there are still serious scalability issues due to the way
indexes are currently stored and restrictions on app store blob size. The
main issue is initial timeouts due to the GAE design flaw wrt startup /
initial
I agree. My workaround was to create a ServletEventListener and put this in
the contextInitialized() method:
System.setProperty( appengine.server,
event.getServletContext().getServerInfo().contains( Development ) ?
development : production );
Vince
On Thu, Dec 3, 2009 at 1:15 PM, Jeff
Here are the Domain classes that have the problem. Please let me know if
you need more information.
--Jeff
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class Player {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Long key;
Yes, I totally agree that the current official way of checking for App
Engine presence is not great for third party libraries which don't even
necessarily run in a servlet container. We've been putting together a
solution for this and hope to make it available soon.
On Thu, Dec 3, 2009 at 1:15
Could you create a Servlet that is loaded on launch, and set this kind of
property? I think this is a workaround until they can do it officially.
--Jeff
On Thu, Dec 3, 2009 at 10:39 AM, Toby Reyelts to...@google.com wrote:
Yes, I totally agree that the current official way of checking for App
On Thu, Dec 3, 2009 at 10:46 AM, Jeffrey Goetsch jeffg@gmail.com wrote:
Could you create a Servlet that is loaded on launch, and set this kind of
property? I think this is a workaround until they can do it officially.
I can't - remember this is in a library, so I would have to force all
Vince,
As a workaround, try setting the missing environment attribute explicitly
before you add the task to the queue:
ApiProxy.getCurrentEnvironment().getAttributes().put(com.google.appengine.server_url_key,
http://localhost:8080;);
This should only be necessary for tasks that are added when
That fixed it. Thanks.
Vince
On Thu, Dec 3, 2009 at 2:24 PM, Max Ross (Google)
maxr+appeng...@google.commaxr%2bappeng...@google.com
wrote:
Vince,
As a workaround, try setting the missing environment attribute explicitly
before you add the task to the queue:
Sure, sorry for the trouble, and thanks for trying out the prerelease!
Max
On Thu, Dec 3, 2009 at 12:12 PM, Vince Bonfanti vbonfa...@gmail.com wrote:
That fixed it. Thanks.
Vince
On Thu, Dec 3, 2009 at 2:24 PM, Max Ross (Google)
maxr+appeng...@google.com maxr%2bappeng...@google.com
The datastore stats aren't real time as far as I know. So part of the
discrepancy might be new entities created after the stats were
generated?
On Dec 3, 4:19 am, Toby tobias.ro...@sunnymail.mobi wrote:
Hello,
I just discovered the DataStore statistics. That is a great thing!
I got a
On Dec 3, 4:51 am, jacek.ambroziak jacek.ambroz...@gmail.com
wrote:
My application, an XML search engine, likes to manipulate its index
data structures in memory during indexing.
Searches are naturally much faster too when index data structures are
in the heap.
Unfortunately, I started
Can anyone help me to know how to configure the Timezone in the web
application that i run localy on my mmachine?
Thanks in advance!
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I am entering data progamatically into the datastore but it is not
showing up in the development console. It appears that the data is
being entered since I am not seeing any errors when the makePersistent
() method is called.
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Okay, sorry for the delay, I haven't been able to focus on this for a few days.
here is the full (including the jar libararies in
case there is an issue with them).
http://www.resmarksystems.com/code/JdoTest.zip
It's a very simple Servlet, by hitting the url hostname/jdotest you
should execute
Hi,
It is likely to possibly solve it by this.
Please refer to the following links.
http://www.javaworld.com/javaworld/jw-10-2003/jw-1003-time.html?page=3
The page in the back and forth might be also related.
thanks.
On 12月4日, 午前4:08, Nour Ahmed salahtimes...@googlemail.com wrote:
Can anyone
I was just looking at the release notes linked to by the App Engine
Blog post about this and I couldn't find any detail about the Improved
java compatibility stuff. Is there another version of the release
notes with more detail?
The release notes linked to in the blog post were these:
Found a better link for us java types:
http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes
On Dec 3, 10:18 pm, Peter Recore peterrec...@gmail.com wrote:
I was just looking at the release notes linked to by the App Engine
Blog post about this and I couldn't find any detail
Hi,
Am doing a project on GPS plotting in appengine.. So can you help me
with it. I am from India, so still Google Street is not possible, can
you guys help with me it, anybody doing a related project pls help
me..; I nedd help in mapping services, pl ur help wil be greatly
appreciated..
--
Sir thanks for the reply , but pl help me sir, am jus a beginner, can
u pls be elaborate, thanks for spending ur time and effort
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Hello,
Is there any limit to the total size of data we can store in the
DataStore? I know we can purchase more storage, but wondering if
there's a hard limit.
Thanks!
Seth
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Hi Seth,
There's no hard limit on the amount of datastore storage you can consume, as
long as you have the budget to pay for it.
-Nick Johnson
On Thu, Dec 3, 2009 at 9:02 AM, Seth sethl...@gmail.com wrote:
Hello,
Is there any limit to the total size of data we can store in the
DataStore?
Hi Prashant,
The time taken to build an index depends more on the indexes in the queue
ahead of yours than the size of your index. Index building may take up to
12-24 hours at busy times.
-Nick Johnson
On Wed, Dec 2, 2009 at 8:56 PM, Prashant antsh...@gmail.com wrote:
It's more than an hr.
Aloha Nick
There's no hard limit on the amount of datastore storage you can consume, as
long as you have the budget to pay for it.
Great news! I appreciate the quick and helpful reply.
Looking forward to trying it out,
Seth
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Hi Carlos,
An index such as this on a single list property is not 'exploding' - the
number of index rows will be equal to the number of list entries. Exploding
indexes occur when you index two or more list properties, or the same one
twice.
-Nick Johnson
On Wed, Dec 2, 2009 at 6:13 PM, Carlos
Ikai,
Thanks for checking that out. We already exported and imported close
to 1 million records to make it work again. we left a sample set of
data for google to reproduce the issue.
However we are concerned about this bug being fixed and if possible
when it was fixed, since this had been
On Wed, Dec 2, 2009 at 11:51 PM, samwyse samw...@gmail.com wrote:
I'd like to host Hg or something someplace with better uptime than my
home server.
There's Rietveld Code Review for Subversion svn which syncs to hg
http://code.google.com/p/rietveld/
I too look for good hg handling, somewhat
Hi Ikai
I am using remote_api called from within plone.
Because I could potentially get multiple concurrent calls from plone
to push content I was creating a new connection
(requiring new authentication ) on each request to push content from
plone to app engine.
Unfortunately when I started
If you disable indexing(via indexed=False) on a model class
properties, and enable it again by removing the indexed=False, do all
the entities for that property get indexed again? If not, what is the
way to get that property indexed, since you cannot really specify
single column index in the
Hi,
I am pretty sure the only way to do it is to get every entity and put them
back into the datastore. This will ensure that the entity is saved.
P
2009/12/3 vivpuri v...@vivekpuri.com
If you disable indexing(via indexed=False) on a model class
properties, and enable it again by removing
In an RDBMS world you would actually create a schema for each team,
not a full database (unless you have a morbid need to drive your
sysadmin to an early grave). I did make a feature request for this,
but you know how it is with GAE feature requests.
If you're using LLAPI, there is actually a
So I've spent some time now reading more about the datastore and I
find it hard to get a complete picture about how it works from the gae
docs and articles.
In my case, I must make sure there is some implicit isolation of the
different team's data. So after reading more about entity groups, it
I chose the wrong wording in my original post. I didn't mean actual
full databases, but something like a schema yes.
Have a lot to learn when it comes to efficient database usage in any
case :-).
Actually I'm not using the LLAPI for portability reasons. I don't want
to build too many dependencies
How many indexes can I create in a application?
I hope create more than 100 kinds and probably more than one index per
king there are any limit?
thanks
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Andreas,
I have a very similar application. It tracks a league's season, team,
player, and game scores / statistics. I needed to have isolation between
leagues and within leagues between seasons, teams, players. Basically the
approach I settled on was adding a league and season property to
Yep, I see what you mean, looking into it. Thanks for the report.
On Wed, Dec 2, 2009 at 10:55 PM, oldcomputer computer...@yahoo.com wrote:
says report,, gives server 500 error at system status page
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Hey everyBody, i try to persist my video 1MB with @Lob , this
doesn't persist my field in my Class VideoSequence
otherwise all other fiels are saved in database, the code is:
@Entity
public class VideoSequence implements Serializable {
private static final long serialVersionUID = 1L;
Fixed now. Apologies for the outage.
On Thu, Dec 3, 2009 at 8:29 AM, Jon McAlister jon...@google.com wrote:
Yep, I see what you mean, looking into it. Thanks for the report.
On Wed, Dec 2, 2009 at 10:55 PM, oldcomputer computer...@yahoo.com wrote:
says report,, gives server 500 error at
Hello,
I am trying to create an auto-generated key with an ancestor. I can
see how to do it at the low level in python but I want to do it in
java with JPA. Can anyone point me to an example?
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Groups, sorry if this is a double post.
I think I'm seeing the same problem, and I made a simple page to
reproduce it. My App ID is scoretool, and the test page is at /dns/
test/ on the appspot domain for my App ID. I'm not including
I think I'm seeing the same problem. I have recently (in the last 3
days) added descending indexes on __key__ for two models, and they
should return very similar entries because for each domains_domain
model instance, there should be a dns_lookup instance. It works okay
for __key__ ascending and
I had developed a Google App Engine application using the ZK Ajax
framework. Everything is good, however I did notice some performance
issues and I suspect that it could be due to the fact that a lot of
rendering is done on the Server side.
For instance when a browser make an initial request to
you can try unfuddle.
On Thu, Dec 3, 2009 at 1:51 AM, samwyse samw...@gmail.com wrote:
I'd like to host Hg or something someplace with better uptime than my
home server.
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The method which I have to retrieve the information of and announcer
is this one...
private Announcer getAnnouncerFromEmailAddress(String emailAddress)
throws UnknownUserException {
Announcer announcerLoaded = null;
// Creating a PersistentManager to interact with
Tim,
Ah, great find. If I'm to understand you correctly, you were using a
different process off App Engine to log into App Engine, hitting the login
page N times in a span of M minutes. This resulted in you not being able to
authenticate anymore, but after you cached the auth cookie, it started
Eric,
Sorry my previous answer was wrong. The query time increases with the
number of entities fetched faster than I thought.
From a small benchmark in Python average time for your query is
150-200ms.
This is for fetching 130 entities of about 400 bytes, with 5
properties each, using an
I'm trying to perform a query on multiple properties of an entity, as
well as a key range. I have been testing the system with only 1 or 2
properties, and a key range on some of the queries. The time for the
queries seem to be very dependent on whether or not there is a key
range when using a
Andreas,
The datastore provides virtually no security mechanisms for data
partitioning within the same application. The responsibility for access
control belongs in your application layer.
On Thu, Dec 3, 2009 at 8:28 AM, Robert Kluin robert.kl...@gmail.com wrote:
Andreas,
I have a very
Have you looked into using com.google.appengine.api.datastore.Blob?
http://code.google.com/appengine/docs/java/datastore/dataclasses.html
http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/Blob.html
On Thu, Dec 3, 2009 at 9:46 AM, HKHAIRANE
Is there an error message when you try to store data? Do you see any
information in the logs?
On Wed, Dec 2, 2009 at 5:49 PM, naan kaz...@gmail.com wrote:
My app id is echofonsync and the issue remains. I can get a result
from memcache.get_stats() now, but can not store new data. Thanks.
On
We've just tried this and it seems to work for us. What are you storing in
Memcache? How are you generating the keys?
On Thu, Dec 3, 2009 at 10:31 AM, Ikai L (Google) ika...@google.com wrote:
Is there an error message when you try to store data? Do you see any
information in the logs?
On
Mark,
Yes, it should take roughly the same amount of time. Do you notice that it's
more likely to happen at certain times of the day rather than others?
On Wed, Dec 2, 2009 at 12:49 PM, Mark markrobertdav...@gmail.com wrote:
I am using BlazeDS - a remoting service for Flex. I guess it takes a
I'm using memcache.set_multi() / add_multi() for caching DataStore
data. Code is something like following:
users = User.all().query().fetch(...)
mapping = {}
for u in users:
mapping[str(u.key())] = u
memcache.set_multi(mapping, namespace='synccache')
It seems that
This is a typo:
for key in cached_mapping:
println(self, str(obj_map[key]))
Should be:
for key in cached_mapping:
println(self, str(cached_mapping[key]))
This is tested and working for me.
On Thu, Dec 3, 2009 at 12:04 PM, Ikai L (Google) ika...@google.com wrote:
What is
What is being returned by get_multi? None or empty dictionary? Is a
namespace being specified?
Here's some test code that is working for me when deployed. What might you
be doing differently from this?
from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import
I have OSX machine running django app with appengine launcher and a
wirtual machine with windows XP running the same app.
The problem is that I have 2 XP machines where I get: No module named
urls. What can be the problem? Maybe some system variables?
The code is exactly the same.
Regards,
'users' are array, which is a result of DataStore fetch as I describe
above. Not a dict. The code converts users array into memcacheable
dict. Note that same code works fine on my test GAE instance.
On Dec 3, 12:15 pm, Ikai L (Google) ika...@google.com wrote:
This is a typo:
for key in
One simple but less-than-ideal solution is to setup a light weight
reverse http proxy on a server that has a non-blacklisted ip, but has
no restrictions when connecting to GAE. This would definately work,
but there are two major disadvantages:
1. You pay for the 3x the bandwidth. Going into the
I try to store 100 users object per request. memcache.set_multi seems
working (return an empty array which means all data stored
successfully), but get_multi returns only 9-15 of them. It worked
yesterday morning, then stopped working afternoon. it seems that I
can't store new user data into
Are you doing the get_multi and set_multi within the same request, or are
the items disappearing afterwards? There's a 100mb limit to the number of
items you can be storing in Memcache, but I'm not sure this is what you're
hitting - the least recently used objects would be getting expired. What
I am new to using Google App Engine and am having trouble with
textproperty(). How do I keep the formatting when someone submits
something?
example:
Directions:
1.Turn left
2. Turn right
3. Go straight
Then I submit, and when I view it on the page, it turns out like this.
Directions:
1.Turn
No, they are not in the same request. get_multi is called within 5
minutes after set_multi is called. User object is firly small (less
than 1k) and total number of items in memcache is less than 50k, so it
won't be more than 100MB. User object contains strings, integers and
integer list. No blobs,
What does the class you are trying to persist look like?
On Wed, Dec 2, 2009 at 1:23 AM, bartatamas bartata...@gmail.com wrote:
Hi!
I've deployed a new version of my web application and it doesn't work
now because of this exception:
Uncaught exception from servlet
Received
That's exactly what I want. (How did I miss it?) Thanks!
On Dec 3, 5:11 am, Stephen sdea...@gmail.com wrote:
On Dec 2, 11:51 pm, samwyse samw...@gmail.com wrote:
I'd like to host Hg or something someplace with better uptime than my
home server.
The crux of the matter here is that you're requiring two things that
seem to be contradictory. You can have accuracy at the expense of
contention, and the only way of avoiding contention completely is at
the expense of accuracy. I don't have a theoretical proof of this on
hand, but in the general
Just a guess here, but try wrapping the contents in a pre tag. Probably
they newlines are not getting displayed by the browser, have you viewed
source to see if they are there?
print 'pre%s/pre' % mymodel.directions
Robert
On Thu, Dec 3, 2009 at 2:52 PM, Charlie trick...@gmail.com wrote:
I
There is someone doing improvements and bug fixes to mercurial_appengine on
bitbucket:
http://bitbucket.org/durin42/mercurial-appengine/
Robert
On Thu, Dec 3, 2009 at 5:23 PM, samwyse samw...@gmail.com wrote:
That's exactly what I want. (How did I miss it?) Thanks!
On Dec 3, 5:11 am,
Hi Ikai
Not exactly
I am using this to connect to the remote_api
def connect(appid,auth_func,host):
remote_api_stub.ConfigureRemoteDatastore(appid, '/remote_api',
auth_func, host)
Its seems you never get a handle back on which you make the call, it
just hooks up the remote data store under
Hi,
I tried several different way, but still can't get it work
appropriately.
First, I flush cache, no luck. Second, not using namespace, no luck.
Then I wrote a simple loop which fetch users object from DataStore and
store them to memcache which isn't related any other codes. The code
fetches
On Thu, Dec 3, 2009 at 4:58 PM, Robert Kluin robert.kl...@gmail.com wrote:
Just a guess here, but try wrapping the contents in a pre tag. Probably
they newlines are not getting displayed by the browser, have you viewed
source to see if they are there?
print 'pre%s/pre' % mymodel.directions
Thanks guys. That seemed to work!
On Dec 3, 5:49 pm, OvermindDL1 overmind...@gmail.com wrote:
On Thu, Dec 3, 2009 at 4:58 PM, Robert Kluin robert.kl...@gmail.com wrote:
Just a guess here, but try wrapping the contents in a pre tag. Probably
they newlines are not getting displayed by the
I recommend http://www.projectlocker.com/
On Dec 3, 5:23 pm, samwyse samw...@gmail.com wrote:
That's exactly what I want. (How did I miss it?) Thanks!
On Dec 3, 5:11 am, Stephen sdea...@gmail.com wrote:
On Dec 2, 11:51 pm, samwyse samw...@gmail.com wrote:
I'd like to host Hg or
In your settings.py file, what is your ROOT_URLCONF defined as? Is it
ROOT_URLCONF = 'urls'? If so, make sure the urls file is not
missing. It should be in the same folder as the settings file. If
the ROOT_URLCONF= 'yourprojectname.urls', remove 'yourprojectname' -
whatever it may be - and then
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