thanks, for your reply.
In fact yes, I use task queues.
The error comes up when I loop through database objects, and try to
persist to the database as well.
I want to generate an object for a subset of objects in the database,
and store them in the datastore.
So my logic is: get an iterator of the
Sorry,
Got confused with Objectify that I use now in place of JDO/JPA.
Look at this blog: http://gae-java-persistence.blogspot.com/
You have there the needed examples to solve your problem
regards
didier
On Feb 27, 2:53 pm, lisandrodc wrote:
> Thanks Didier, but "@Parent" It is not an annot
Hi,
Did you try specifically in your
config file ? If I were you, I would.
didier
On Feb 28, 6:15 am, i3k wrote:
> I must be missing something simple here, I have a static gif file that I
> have uploaded to my app engine application with Eclipse. When I try to
> access it, it is not availabl
Hi,
I rather had such messages when using task queues and doing mistakes
with them.
Do you use task queues (or cron jobs) ?
regards
didier
On Feb 27, 5:56 am, JaySicks wrote:
> Hi, I'm getting the error:
> "com.google.appengine.api.datastore.DatastoreFailureException: handle
> 1 not found"
>
I must be missing something simple here, I have a static gif file that I
have uploaded to my app engine application with Eclipse. When I try to
access it, it is not available on the server.
The requested URL /images/iLinkProgress.gif was not found on this server.The
location is https://myapp
Hi,
I'm pretty sure you must be able to do this but I cannot find any
examples anywhere.
I'm am having to manually filter my contacts, I'd like to search/
filter my contacts using a GQL query. I've done it with the isolated
storage but cannot workout the the contacts.
It this possible?
Thanks
My app (appid: mr-october) is experiencing problems with the /_ah/
warmup calls. Looking thru the logs I can not find a single call to
warm up that succeeds. Every warm up call shoes this warning message:
2011-02-25 08:56:37.796
A serious problem was encountered with the process that handled this
By searching Google, it's possible to come up with several home-grown
solutions for gaining OAuth authentication to specific websites such
as Facebook and Twitter. Unfortunately, most these methods are
outdated and/or are site-specific. Considering that many of today's
online apps seek social api i
Hi, I'm getting the error:
"com.google.appengine.api.datastore.DatastoreFailureException: handle
1 not found"
(the number may vary)
I looked up, and I found, that it's related to transactions. And I
should get the error, when the too much time passes from the start of
the transaction to the commit
Thanks, dider
2011/2/24 Didier Durand
> Hi,
>
> Look at
> http://code.google.com/appengine/docs/java/datastore/metadataqueries.html:
> all what you need is there.
>
> regards
>
> didier
>
> On Feb 24, 8:01 am, 王宇辉 wrote:
> > Hi guys,
> >
> > Is there any way to get all the entity names by code?
Hello,
I just got bit by this strange java appengine behaviour.
Store a Boolean.FALSE value in memcache. (I'm using the lowlevel API
and this value was within other objects)
Retrieve this value from memcache.
(value instanceof Boolean) is still true
(value.booleanValue()) is still false
howeve
Hi,
I have this test (I am creating object, persist it and trying to
remove it) and it is failing on "fail("not supposed to get here");"
line. Is it bug in GAE JDO or JDO is supposed to work in this way?
private final LocalServiceTestHelper helper = new
LocalServiceTestHelper(
There is no cache of query results when you use cursors - or
limit/offset. They're just pointers into the real datastore index.
If you change the datastore, the results will change.
If you want 100% guaranteed unchanging query results in a highly
dynamic dataset, cache the results yourself in the
Hello,
I got the same error after copying code from another GAEJ project
which I had previously developed. The error is causing by a missing
persistence.xml file, in my case, or I suppose it could be caused by
mis-naming or a missing persistence-unit declaration in the
persistence.xml.
The full d
Thanks for the response Didier!
I know I can store the session id, but how do I then retrieve the
session object by id? I have been looking at ways to access
_ah_SESSION entities using the low level datastore api like this:
DatastoreService ds =
DatastoreServiceFactory.getDatastoreServ
Thanks Didier, but "@Parent" It is not an annotation of JPA...
link:
http://www.datanucleus.org/products/accessplatform_1_1/jpa/annotations.html
What is what you say that I must place in the code?
Regards
Lisandro
On 27 feb, 04:06, Didier Durand wrote:
> Yes,
>
> You can't update 2 entities that
let say we use cursor and we fast-forward page.
1-10
11-20 when reached here, one record in 23 is deleted
21-30
on in this case, when cursor is at 21, it will only show 9 record on
this page correct?
In other words, we cannot use global count (total records) for paging
unless we will have to
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