[appengine-java] Re: Slim3 1.0.0 Released

thanks for the help. that solve the question - return {parents} based on a {child} property. but, i found new problem now with -- (1) return {parents} based on a {child} property and a {parent} property? (2) sort the {parents}? (3) paging the result? Any idea? -- You received this messag

[appengine-java] Re: GAEJ Access to Google Calendar, How to Authenticate ?

Hi, Though I am not an expert. If you use not UserService but [com.google.gdata.client.http.AuthSubUtil] the problem might be solved. I think that this link is useful. http://code.google.com/intl/us/apis/gdata/docs/auth/authsub.html Please try. thanks. > Hi GAEJ Experts, > > I like to access (

Re: [appengine-java] adding new variable to persistent class

Hi, I think the following links useful. http://groups.google.com/group/google-appengine-java/browse_thread/thread/d13d469752c825e7 http://groups.google.com/group/google-appengine-java/browse_thread/thread/79a53aba561effc8 Hope this helps, thanks. 2010/3/26 Zac Witte : > I have a persistent cla

Re: [appengine-java] App Engine SDK 1.3.2 is out!

Good work! Congratulations! And the next features are a really big jump! Thanks! NM On Fri, Mar 26, 2010 at 2:00 AM, John Patterson wrote: > Nice work! > > Really looking forward to that OpenId+OAuth support. > > > On 26 Mar 2010, at 07:48, Ikai L (Google) wrote: > > Check it out! > > > http://go

[appengine-java] Sometime write and sabe an entity w ith JDO but same times properties are not saved.¿how can i know it?

Sometime write and sabe an entity with JDO but same times properties are not saved. I think it is about dataStore insolation, but how can i know to retry? ins't there an Exception for that cases? NM -- You received this message because you are subscribed to the Google Groups "Google App Engine f

Re: [appengine-java] App Engine SDK 1.3.2 is out!

Nice work! Really looking forward to that OpenId+OAuth support. On 26 Mar 2010, at 07:48, Ikai L (Google) wrote: Check it out! http://googleappengine.blogspot.com/2010/03/app-engine-sdk-132-released.html Blog post: App Engine SDK 1.3.2 Released Today we are excited to announce the release

[appengine-java] Re: App Engine SDK 1.3.2 is out!

jgae is getting better and better. thumb up ! -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appen

[appengine-java] Hey i want to share a quick hack i made tu simulate DataStore latency but in development server.

The code is really simply, but here the idea: The idea is to simulate dataStore latency in development servers, so you can run your test and now if all is ok, and if something is wrong, you can debug it in your computer. Also helps to find Concurrency problems. Are all yours green tests ready??? :P

[appengine-java] adding new variable to persistent class

I have a persistent class called Location, which already exists in the datastore and I'm trying to add a new variable called numCheckins. Is this possible without wiping out all the existing objects? My attempts so far have resulted in the following error whenever I try to retrieve one of the exist

[appengine-java] App Engine SDK 1.3.2 is out!

Check it out! http://googleappengine.blogspot.com/2010/03/app-engine-sdk-132-released.html Blog post: App Engine SDK 1.3.2 Released Today we are excited to announce the release of version 1.3.2 of the App Engine SDK f

[appengine-java] Re: error in the GAE/J transaction docs?

Interesting! Thanks, that's helpful. On Mar 25, 2:19 pm, "Max Ross (Google)" wrote: > We could perhaps be a bit more precise in our language here.  You can run > any query you want inside a transaction but the results are only guaranteed > to be transactionally consistent if the query is an ances

[appengine-java] Re: Intregrating GAE on Google Marketplace

The appengine roadmap got updated: - Built-in support for OAuth & OpenID http://code.google.com/appengine/docs/roadmap.html On Mar 25, 3:20 pm, Peter Ondruska wrote: > Well, "me too" :-)) I guess there is plenty of us. > > On 25 bře, 18:39, "L. Kirven" wrote: > > > > > Roberto, > > > I thought

[appengine-java] Re: Poor Performance - for HTTP Request

I am facing the same problems here. It runs perfectly before last night, then this morning after I opening the log file, nearly all requests are in yellow or red. I have traced back to the most earliest log AppEngine kept, still in colors. I supposed it to be the problem they have updated SDK to 1

[appengine-java] Re: Slow JDO and JPA

> No available StoreManager found for the datastore URL key "jdbc Since when has GAE/J been an RDBMS datastore ? Their docs state very clearly to use "appengine" as the DatastoreURL -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group.

[appengine-java] Why should app startup times be a problem.

When GAE is load balancing your app, and it decides to start up a new instance, why are they sending a client request as the first hit to your app? Unless your app is trivial, you're going to have some startup time. It's not a good job of load balancing if requests are sent to an instance that isn

Re: [appengine-java] Objectify-Appengine 2.1 released, supports Partial Indexes

Hi: Congratulation and thank for tremendous efforts from the Objectify Team. By the way, has any one attempted Objectify with possible very large index of subscribers and publishers of web-hook pub-sub (Google PubSubHubbub of Atom or short message twitter style). Thanks Duong BaTien DBGROUPS and

[appengine-java] Combination of two projects works on dev server, doesn't when deployed

Hi! We've developed two means of interacting with the datastore seperately- one is a flex GUI which uses GraniteDS remoting to persist to and retrieve from the datastore, the other is a java package which translates datastore information to XML and allows it to be retrieved using HTTP requests. Bo

[appengine-java] Objectify-Appengine 2.1 released, supports Partial Indexes

Today we released Objectify v2.1, the latest version of our opensource replacement for JDO/JPA on the Google App Engine datastore. This version includes a major new feature, Partial Indexes. If you aren't sure what partial indexes are, the Wikipedia page (http://en.wikipedia.org/wiki/Partial_inde

[appengine-java] Re: Best way to perform search on DataStore - Design Question

I am debating if I should use Compass or wait for Google to release something. I can wait for 3-4 months as my website is going to take that amount of time to complete. Niraj On Mar 16, 3:16 am, Toby wrote: > I am using compass as well and it works fine. The indexing part is > costly and you m

Re: [appengine-java] Re: Timeout using GData API

Hi I made a patch that the GData API library to execute asynchronously. see: http://code.google.com/p/reflexworks/source/browse/trunk/gdataclientpatch/lib/readme.txt source: http://code.google.com/p/reflexworks/source/browse/#svn/trunk/gdataclientpatch/src/com/google/gdata/client/http Takezaki

Re: [appengine-java] error in the GAE/J transaction docs?

We could perhaps be a bit more precise in our language here. You can run any query you want inside a transaction but the results are only guaranteed to be transactionally consistent if the query is an ancestor query. In other words, begin/commit are no-ops for non-ancestor queries. Here's the hi

[appengine-java] error in the GAE/J transaction docs?

hi, The documentation on transactions says: "An app can perform a query during a transaction, but only if it includes an ancestor filter." () This does not seem to be the case-- it seems tha

[appengine-java] Re: Intregrating GAE on Google Marketplace

Well, "me too" :-)) I guess there is plenty of us. On 25 bře, 18:39, "L. Kirven" wrote: > Roberto, > > I thought the same thing, but that does not seem to be the case. > > Lazar > > > > > > On Thu, Mar 25, 2010 at 12:32 PM, Roberto Saccon wrote: > > I am also interested in this. But I have to ad

[appengine-java] Re: Possible bug in pm.makePersistentAll? Random-looking exceptions, can't make heads or tails of it...

Anybody? On Mar 23, 7:57 pm, tempy wrote: > MODEL OBJECTS: > > @PersistenceCapable(detachable = "true") > @FetchGroup(name = "children", members = { @Persistent(name = > "_Children") }) > public class Parent { >         @PrimaryKey >     @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) >

Re: [appengine-java] MemcacheService#grabTail

We removed this from the documentation because it was not working, and the fix turned out to be much more involved than we had originally anticipated, so the fix isn't coming out in 1.3.2. I can't comment on whether or not it will be back. I'll have to check. You can follow the issue here: http://

Re: [appengine-java] Re: java.lang.RuntimeException: Version not ready.

Can you tell us which app ID you're unable to deploy to? On Wed, Mar 24, 2010 at 2:17 PM, Michal wrote: > Hello everyone, > > I'm having exactly same problem today. I tried (almost :) everything: > > 1) deploying to original app-id failed just like this > 2) I tried to deploy to other (older) app

Re: [appengine-java] Re: Intregrating GAE on Google Marketplace

Roberto, I thought the same thing, but that does not seem to be the case. Lazar On Thu, Mar 25, 2010 at 12:32 PM, Roberto Saccon wrote: > I am also interested in this. But I have to admit that I did not even > got that far, to analyze out the incompatibilities, I was assuming > that step2 just

[appengine-java] Re: Intregrating GAE on Google Marketplace

I am also interested in this. But I have to admit that I did not even got that far, to analyze out the incompatibilities, I was assuming that step2 just runs on GAE, because the step2 example code contains some stuff which looks to me like it is meant to be deployed on GAE. On Mar 25, 10:49 am, lr

[appengine-java] Re: java.lang.RuntimeException: Version not ready.

Hello everyone, I'm having exactly same problem today. I tried (almost :) everything: 1) deploying to original app-id failed just like this 2) I tried to deploy to other (older) app-id I had and it worked (and still works) 3) created new app with id "goo-ctvolby-prod" and deploy fails again and a

[appengine-java] MemcacheService#grabTail

Hello, I've recently noticed that the method 'grabTail' in MemcacheService had been removed since 1.3.1. - what happened to the method? has it gone forever ? - is there any workaround to replace the method? thanks in advance. -- HIDEMOTO NAKADA -- You received this message because you are sub

[appengine-java] Re: java.lang.RuntimeException: Version not ready.

Hello everyone, I'm having exactly same problem today. I tried (almost :) everything: 1) deploying to original app-id failed just like this 2) I tried to deploy to other (older) app-id I had and it worked (and still works) 3) created new app with id "goo-ctvolby-prod" and deploy fails again and a

[appengine-java] Intregrating GAE on Google Marketplace

I was just curious if anyone has tried to integrate their GAE app into Google Marketplace using the Java Step2 OpenId Library. It seems that GAE does not support the following classes: javax.net.ssl.TrustManagerFactory, javax.net.ssl.X509TrustManager, javax.net.ssl.TrustManager. The Java Step2 lib

[appengine-java] truncated logs

I'm trying to find the root cause in a exception but the stacktrace is being truncated. Is there any way I can get access to my full log entry? Thanks Alan -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send

[appengine-java] Is it possible and proper to use Google App Engine as the platform for Twitter or Facebook?

Hi. I'm Kuwon and have a question about Google App Engine's capacity. Is it possible to use Google App Engine as the service platform for Twitter or Facebook and proper? Do they have to have their own service environment and optimize the environment because Google App Engine is very general serv

[appengine-java] Poor Performance - for HTTP Request

Why the system keeps giving a slow response to my HTTP request (written in Serlvet)? It is around 6000 ms per request for a very simple call (to post a string then get the a returned string from app engine data store). My app is using SSL, does it matter that? Pls Help! thx. -- You received this

[appengine-java] GAEJ Access to Google Calendar, How to Authenticate ?

Hi GAEJ Experts, I like to access (Read/Write) a Google Calendar from the Google App Engine. To learn how it works I have Up my Java Google App Application and on my PC a small Calendar test program. Now I need the missing link how to combine both application's. In my GAEJ servlet I get the curren

Re: [appengine-java] Re: Slow JDO and JPA

Hmm, it does not work. BTW: The configuration (including class list) cannot be achieved using an extended variant ofhttp://db.apache.org/jdo/api20/apidocs/javax/jdo/JDOHelper.html#getPersistenceManagerFactory%28java.util.Map%29 , can be? There is the exception: 1. /test.do java.l

[appengine-java] Re: Slow JDO and JPA

> OK, but it does not work with GAE. My persistence.xml contains name="javax.jdo.PersistenceManagerFactoryClass" > value="org.datanucleus.jdo.JDOPersistenceManagerFactory"/>, but In GAE/J the class ought to be org.datanucleus.store.appengine.jdo.DatastoreJDOPersistenceManagerFactory > following

[appengine-java] Re: performance of Task Queue Java API

I'm doing this too. Turn that task into one that takes parameters - a start and end index. You set a threshold of the biggest number of tasks that can be kicked off in one execution. Let's say it's 50. So, you're given 1 to 5000... So, you kick off a task that spawns off new instances of itself

Re: [appengine-java] Re: GPE 1.3 Tutorial?

Hi Jake, If we (as the Google Plugin for Eclipse team) do an FAQ on Maven + App Engine, it would be simply describe how to get such a setup working with Eclipse. I must admit that I have not worked through all the details yet, but in theory if you have an App Engine project working with Maven, us

Re: [appengine-java] Re: Slow JDO and JPA

OK, but it does not work with GAE. My persistence.xml contains name="javax.jdo.PersistenceManagerFactoryClass" value="org.datanucleus.jdo.JDOPersistenceManagerFactory"/>, but following exception is thrown: javax.jdo.JDOFatalUserException: A property named javax.jdo.PersistenceManagerFactoryCla

Re: [appengine-java] performance of Task Queue Java API

There is a bulk add API in the upcoming 1.3.2 release that should help with this. On Thu, Mar 25, 2010 at 9:45 AM, Eugene Kuleshov wrote: > > My application need to create bunch of tasks to do some data > processing. I've tried to prototype a small application that spawns > 5000 tasks from the p

Re: [appengine-java] Re: how to build same entity group

As a non native English speaker also, let me guess If I got you correctly, dreamy You want to manipulate Telephone separately, independent of its-owner-to-be, so you will have a Telephone class. Similarly, you will have another class for Person. Because there're no dependency between creating of P

[appengine-java] performance of Task Queue Java API

My application need to create bunch of tasks to do some data processing. I've tried to prototype a small application that spawns 5000 tasks from the process initiated by cron job, but it seem like I am hitting some wall, because my test can't spawn more then 1000 tasks and it is terminated by GA

[appengine-java] Re: Generating Excel Sheet in Google app engine.

Yea... thanks. i am using the JExcel Api now. it works fine to generate and show excel reports. :) On Mar 24, 3:54 am, "Ikai L (Google)" wrote: > I just did a quick search and found this: > > http://jexcelapi.sourceforge.net > > Not sure if it'll work since many of the times these APIs require di

[appengine-java] Re: how to build same entity group

for instance, you can just use a Key and reference the Person in the Telephone. >you are right. and i just do it as you say. public class Telephone{ @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) @Extension(vendorName="datanucleus", key="gae.encoded-pk", val

Re: [appengine-java] Re: Slim3 1.0.0 Released

On 25 Mar 2010, at 10:09, pman wrote: I have gone thru the Slim3 document. Can we have this? @MOdel class Parent { List childs = new ArrayList(); } @Model Child { } If so, how to get parents based on child's property in Slim3? Hi TQ, Twig supports these direct relationships like this:

[appengine-java] Re: cache expiration

Yes, it's the same bug. But the proposed workaround seems to be irrelevant. And, the bug is coted 'Priority-Medium' I think that such a bug on the caching mechanism in a web infrastructure is a major bug: be unable to manage the expiration delay of cached objects is a critical problem -- You rece

[appengine-java] Re: Security Exception using Guice Servlet

I have the answer. With help from the folks at Google I was told that the underlying problem was a ClassNotFoundException for isSerializable from the GWT toolkit. This explains why my other app worked ok, because it contained the GWT jar. This also means that the true problem was being masked by