Thanks Don,
Clearing my browser data solved the problem.
I removed some serial versions from my classes which caused the
problem. I didn't think about the fact that this class was stored in
the session.
Cheers,
Marcel
On Oct 4, 11:15 pm, Don Schwarz wrote:
> This isn't the full stack trace so
Hi, I used it long time ago, but not in appengine.
You need to import the database and tweak a bit the java api.
But it should work ok
Best
On Mon, Oct 4, 2010 at 7:16 PM, Shaun wrote:
> Does any know of a good example and/or library to do WURFL mobile
> detection on App Engine or is there a be
On point #1, there is a way in JdO to say which attributes forms a relation
or forms a join between two entities. It need not be the primarykey always.
Also I don't think having more than 1 @ManyToOne relation should be a
problem. I might need to look at my app code in the evening to see how did I
Hi Hari,
I don't follow what you're saying in #1 below.
#2 - This is just the way I have always modeled classes using JPA. In a
relational database, the @ManyToOne would cause the key of the owning
entity to be stored in the row. In this case, the "Rating" table would
have a column to hold
Hi Fattom,
Thanks for your response. I don't think most browsers support
Websockets quite yet, and I don't want to tie people to a specific
one.
What is the most challenging part of writing a MUD for http aside from
real time delivery, which I'm hoping Ajax push solves? Aside from that
I believe
Hi,
I have encountered similar error using JDO long time back. I firmly believe
that if you use @ManyToOne or something it means a relationship amongst
them.
Though I don't remember exactly what I did ,Coupleof observations
1. In the rating class. Add annotation of rederenced by attribute in
annot
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Does any know of a good example and/or library to do WURFL mobile
detection on App Engine or is there a better way to do it? Based on
the users device I would like to serve a different interface
Thanks!
Shaun
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You can download them using the --severity flag
http://code.google.com/appengine/docs/java/tools/uploadinganapp.html#Command_Line_Arguments
On Oct 2, 5:25 am, Vikas Hazrati wrote:
> I guess copy paste is the only way out ;)
>
> On Sep 30, 5:45 pm, Vikas Hazrati wrote:
>
>
>
> > I am trying to do
Hi, on our tiny little web service http://findbugs-cloud.appspot.com,
we're getting a whole lot of 500 responses, with a mysterious message.
It started a few months ago and has slowly but steadily gotten worse
since. Since a 500 response makes our continuous build fail, it's
getting irritating...
This test worked for me
Query query = pm.newQuery(Employee.class);
query.setFilter("lastName.startsWith(lastNameParam)");
query.setOrdering("lastName, firstName, hireDate desc");
query.declareParameters("String lastNameParam");
List results = (List) query.execute(lastname);
if (results.size()>0)
I'm using JPA, and I'm having a really tough time getting around this
problem. It seems that when I try to refer to an object by way of a
@ManyToOne, somehow DataNucleus wants to assume some kind of ownership
and throws an exception.
I have three kinds of objects: Person, Book, Rating. Per
This isn't the full stack trace so it's difficult to be sure, but do
you store AbstractEngineResponses in an HTTP session? If so, it seems
that the class is no longer compatible with the version stored in your
session.
If so, try clearing your cookies. This will create a new session for you.
Fo
http://janrain4j.appspot.com/
javax.servlet.ServletException: java.lang.RuntimeException:
java.io.InvalidClassException:
com.googlecode.janrain4j.api.engage.response.AbstractEngageResponse;
local class incompatible: stream classdesc serialVersionUID =
-8862811237568844288, local class serialVersion
Just define entity properties with indexed=False, e.g.
class Authorization(db.Model):
domain = db.StringProperty(required=True)
code = db.StringProperty(required=True, indexed=False) #
update = db.DateTimeProperty(required=True, auto_now_add=True)
and then bulkload
On Oct 4, 6:2
Hi,
I have an entity called Node with attributes and the setters and getters for
them:
private int source;
private int graphId;
private Set adjacentNodes;
In my servlet I have the following query:
Query query1= em.createQuery("SELECT x FROM pojos.Node x WHERE
graphId=:graph1Id");
query1.setParam
There is no way to write a JDO object with the low-level API. You need to
convert it into an Entity and save the Entity. Can you post any code?
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Looks good. Thanks.
On Mon, Oct 4, 2010 at 12:00 PM, Guillaume Laforge wrote:
> Hi Don!
>
> Here it is: http://code.google.com/p/googleappengine/issues/detail?id=3821
> I hope the description is okay?
>
> Guillaume
>
> On Mon, Oct 4, 2010 at 17:48, Don Schwarz wrote:
>> Guillaume, this is a gre
If the client access server with HTTP, GAE is definitely OK.
But in my experience, Telnet is a better protocol for Mud/BBS.
And I think GAE do not support socket function.
If GAE support WebSocket, it will be a good way to approach that...
(but I am not sure about this feature.)
The most importa
Hi Don!
Here it is: http://code.google.com/p/googleappengine/issues/detail?id=3821
I hope the description is okay?
Guillaume
On Mon, Oct 4, 2010 at 17:48, Don Schwarz wrote:
> Guillaume, this is a great idea. Please file an issue in our issue
> tracker and we'll follow up.
>
> On Mon, Oct 4, 2
Hello,
I would like to disable indexing for properties I know I won't be using for
query filtering to save storage space.
I have used bulkuploader to push ~500mb of data into the datastore. These
Entities contain lot's of properties which won't be used for filtering, for
ex. "CountryName"
I would
Hi,
I'm new to the cloud and not an experienced developer.
For a course I have to make a web application using the GAE and I will
also use JAVA for it.
I did a few tutorials but I still have questions that don't let me
start with my project.
In my application I want people to be able to login
Guillaume, this is a great idea. Please file an issue in our issue
tracker and we'll follow up.
On Mon, Oct 4, 2010 at 9:50 AM, Guillaume Laforge wrote:
> And I forgot a complementary question:
>
> Are there plans to add a mocked capabilities service in the testing jar?
>
> Guillaume
>
> On Mon,
And I forgot a complementary question:
Are there plans to add a mocked capabilities service in the testing jar?
Guillaume
On Mon, Oct 4, 2010 at 14:08, Guillaume Laforge wrote:
> Hi all,
>
> I'd like to be able to test how my application is behaving in the case
> of some Capabilities are not en
I have two classes. The first class contains a reference to the
second. One service request might generate several such pairs. So I
figured that I can batch store them at the end of the service request.
To do that I need to generate ID-s for all the second classes. I
thought that allocateIds was wh
Hi All,
Please provide inputs if we can use LIKE in GQL query or if any
alternative is available for this.
Thanks.
Ravi
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Thanks guys! Think I'll just concatenate parent and child ID for
display purposes and keep the rest as it is.
Fred
On 1 Okt., 08:16, John Patterson wrote:
> You can use DatastoreService.allocateIds() to get a range of unique
> keys that you can then assign to the children. The kind name can b
Use a GREATER_THAN_OR_EQUAL and a LESS_THAN filter to match a prefix -
thats the best you can do for a single stored term. You will need to
break the term up into multiple n-grams if you want to query for a
partial match within a term.
On 4 Oct 2010, at 16:25, Ravi Dhanwate wrote:
Hi All
Mmmm: my link has been Googlised. If interested, try
http://www.SwapPlace.co.uk
instead.
On Oct 4, 9:11 am, Ian Marshall wrote:
> I disagree. I use Wicket and JDO on GAE/J; it works fine for me,
> including no serialisation problems.
>
> As a working example, I am satisfied with my Wicket/JD
Hi Dave,
Have you tried the GAE/J persistence blog at:
http://gae-java-persistence.blogspot.com
by Max Ross of Google? I recommend it. It's got examples in both JDO
(which I use) and JPA.
Regards,
Ian
On Oct 3, 10:59 pm, Dave Hicks wrote:
> I'm having problems understanding how to get e
hello everyone,
i want to build an app store for a GWT application. users should open
the app store from within the application, browse through apps and
install them like they are used to it from other app stores e.g. apple
app store or android market. i outlined my ideas about it in the wiki
of m
I disagree. I use Wicket and JDO on GAE/J; it works fine for me,
including no serialisation problems.
As a working example, I am satisfied with my Wicket/JDO/GAE/J proof-of-
concept web application at
www.SwapPlace.co.uk.
I am using the lessons learnt for my commercial web site development,
wh
Thx Didier.
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Hi Dave,
try this for explanations on entity groups:
http://code.google.com/appengine/docs/python/datastore/keysandentitygroups.html#Entity_Groups_Ancestors_and_Paths
didier
On Oct 3, 11:59 pm, Dave Hicks wrote:
> I'm having problems understanding how to get entities to play nice
> together.
Hi all,
I'd like to be able to test how my application is behaving in the case
of some Capabilities are not enabled.
For example, what happens when Capability.DATASTORE_WRITE has a status
of DISABLED.
I had another look at the testing jar and its various classes, but I
didn't find a way to see whe
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