Re: [appengine-java] Re: Google maps geocoder responds with 620 error since server maintenance

2010-05-12 Thread Jason (Google)
Hi culov. I believe this was largely addressed on Monday. Please let me know if you continue to see any other geocoding problems, and, if possible, include your Maps API key (you can send this to me privately if you prefer). - Jason On Sun, May 9, 2010 at 12:32 PM, culov cul...@gmail.com wrote:

[appengine-java] Chat Time transcript for May 5, 2010

2010-05-08 Thread Jason (Google)
The high-level summary and complete transcript of the May 5th edition of the IRC office hours is pasted below. Our next normally scheduled office hour session (May 19th) is CANCELLED because of conflicts with Google I/O -- if you happen to be coming to I/O, you can meet us in person and have a

Re: [appengine-java] Trying to use Ehcache 2.0.1 with web module

2010-05-04 Thread Jason (Google)
Hi Sergio. I'll try to test this out soon. If you haven't already, you may want to post this in the Ehcache forums also since they can probably help you debug the issue faster: - Jason On Mon, May 3, 2010 at 1:54 AM, Sergio Lopes slo...@gmail.com wrote: Hi everybody Ehcach announced recently

[appengine-java] Chat Time transcript for April 21, 2010

2010-04-21 Thread Jason (Google)
The high-level summary and complete transcript of the April 7th edition of the IRC office hours is pasted below. Join us in two weeks, Wednesday, May 5th from 7:00-8:00 p.m. PST for the next installment. Note: On the first and third Wednesdays of every month, the App Engine team signs into the

[appengine-java] Chat Time transcript for April 7, 2010

2010-04-20 Thread Jason (Google)
The high-level summary and complete transcript of the April 7th edition of the IRC office hours is pasted below. Please join us on the first and third Wednesday of every month in the #appengine channel on irc.freenode.net. On the first Wednesday, we meet in the channel from 7:00-8:00 p.m. PST

[appengine-java] Chat Time transcript for February 17, 2010

2010-02-24 Thread Jason (Google)
Last Wednesday, the App Engine team hosted the latest session of its bimonthly IRC office hours. A transcript of the session and a summary of the topics covered is provided below. The next session will take place next Wednesday, March 3rd from 7:00-8:00 p.m. PST in the #appengine channel on

[appengine-java] Chat Time transcript for February 3, 2010

2010-02-24 Thread Jason (Google)
The high-level summary and complete transcript of the February 3rd edition of the IRC office hours is pasted below. Please join us on the first and third Wednesday of every month in the #appengine channel on irc.freenode.net. On the first Wednesday, we meet in the channel from 7:00-8:00 p.m. PST

[appengine-java] Chat Time transcript for January 20, 2010

2010-02-01 Thread Jason (Google)
Two Wednesday back, the App Engine team hosted the latest session of its bimonthly IRC office hours. A transcript of the session and a summary of the topics covered is provided below. The next session will take place this coming Wednesday, February 3rd from 7:00-8:00 p.m. PST in the #appengine

Re: [appengine-java] Re: A running app does not detect newly created files.

2010-01-14 Thread Jason (Google)
/java/blobstore/overview.html - Jason On Thu, Jan 14, 2010 at 9:53 AM, George Moschovitis george.moschovi...@gmail.com wrote: On Jan 14, 12:47 am, Jason (Google) apija...@google.com wrote: I implemented the sample Blobstore application provided in the documentation (two servlets, Upload.java

Re: [appengine-java] Doubt with detachability...

2010-01-14 Thread Jason (Google)
... 2010/1/14 Jason (Google) apija...@google.com Does your application work if you don't detach the entity a second time? For instance, are you able to update the entity, re-cache it, then retrieve it and pass it back into makePersistent without any errors? I was under the impression that passing

Re: [appengine-java] Problem running on datastore first time

2010-01-13 Thread Jason (Google)
No, there is no special initialization needed when running your application for the first time in production. As Ian mentioned, please check your log output -- this should indicate what the issue is. If you have any questions about, feel free to post it here along with a full stack trace. - Jason

Re: [appengine-java] javax.annotation.Resource Spring 3.0.0.Release declarative DI on Google App Engine

2010-01-13 Thread Jason (Google)
Hi Ralf. We may be able to add support for this annotation in a forthcoming release. Please star the issue in your post if you want to be notified of any status changes. - Jason On Sat, Jan 2, 2010 at 3:27 AM, Ralf Sigmund ralf.sigm...@gmail.com wrote: Hi, i am a newbie to App Engine. So I

Re: [appengine-java] Appengine::Login Error

2010-01-13 Thread Jason (Google)
This sounds like a transient error. Please let me know if you are still seeing this error consistently and provide the Google account that you are using to sign in to appengine.google.com, and I will look into it further. - Jason On Sun, Jan 3, 2010 at 4:17 AM, sathish12345678

Re: [appengine-java] Doubt with detachability...

2010-01-13 Thread Jason (Google)
Does your application work if you don't detach the entity a second time? For instance, are you able to update the entity, re-cache it, then retrieve it and pass it back into makePersistent without any errors? I was under the impression that passing an entity into makePersistent re-attaches the

Re: [appengine-java] Communication between multiple applications

2010-01-13 Thread Jason (Google)
That particular term is in place to prevent misuse of our hosting environment, specifically developers that attempt to deploy the same application to multiple IDs and use a gateway application to choose between these applications randomly to distribute the load evenly. Unfortunately, the term does

Re: [appengine-java] Version Not Ready Error

2010-01-13 Thread Jason (Google)
It looks like you got this working. The app is serving for me and I see several successful requests logged. Please let me know if you have any more questions. - Jason On Tue, Jan 12, 2010 at 12:30 AM, rkvsraman rkvsra...@gmail.com wrote: Hello, I started with my first Java App thru Eclipse

Re: [appengine-java] GAE

2010-01-13 Thread Jason (Google)
Datastore entities can be at most 1 MB, although entities can contain references to other entities allowing you to split large files, store them in multiple entities, and then resolve these when the application is requested, keeping in mind that the maximum request size is currently 10 MB. Several

Re: [appengine-java] Re: Blobstore - delete record from apps console

2010-01-13 Thread Jason (Google)
Hi YONG. I'm seeing this too on my end. I see a more descriptive error message, however -- the Admin Console is basically reporting that billing isn't enabled for the application when it really is, and hence doesn't process the delete request. Please star this external issue and you'll be notified

Re: [appengine-java] Building Scalable Complex App

2010-01-13 Thread Jason (Google)
for a complex large application. The job Brett Slatkin sets out to do has not completed without the Java codes since GAE now supports Java. Thanks Duong BaTien DBGROUPS and BudhNet On Tue, 2010-01-12 at 14:13 -0800, Jason (Google) wrote: Can you be more specific about what you're trying

Re: [appengine-java] Re: Blobstore - delete record from apps console

2010-01-12 Thread Jason (Google)
What application ID are you using, and what kind of error do you see when you try to delete the blob? Can you clarify how you were able to delete the blob from mediastore apps but not the apps console (which I assume refers to the Admin Console for your app)? If you weren't successful in deleting

Re: [appengine-java] Using GWT RPC for Browser client on GAE - and RESTful to access data from Android/iPhone

2010-01-12 Thread Jason (Google)
Hi ChrisDane. Certainly, there's nothing stopping you from deploying a RemoteServiceServlet and HttpServlet to the same application if I'm understanding you correctly. You can define a wide range of servlets to handle incoming HTTP requests from your mobile app and wire them to the appropriate

Re: [appengine-java] why memcache doesn't saves @NonPersistent child object of a detached parent?

2010-01-12 Thread Jason (Google)
Hi Prashant. This doesn't appear to have anything to do with memcache. Your complaint is that @NotPersistent-annotated fields are reassigned to null when the object is detached. I'm not familiar enough with the JDO specification to say whether this is expected, but I've filed a bug and Max will

Re: [appengine-java] Building Scalable Complex App

2010-01-12 Thread Jason (Google)
Can you be more specific about what you're trying to accomplish so we don't have to search through the video to find what you're looking for? Or, at least provide a timeline reference that we can refer to in the video. :) Thanks, - Jason On Mon, Jan 11, 2010 at 7:29 AM, Duong BaTien

Re: [appengine-java] hello when i used Google App Engine for Java I get this question

2010-01-12 Thread Jason (Google)
1) I wasn't able to reproduce this in either the development or production environments. I created a very simple PersistenceCapable JDO object, persisted 10 of them, then queried for these changing the values of setRange as I did so, using 0, then 2, then up to 9, and every time, the query

Re: [appengine-java] Re: Beginner question: one to many relationship

2010-01-12 Thread Jason (Google)
If you're using JDO, then just as Juan said, you can fetch the author's books when you fetch the author entities themselves. Just make sure to specify that the books field is in the default fetch group: @Persistent(defaultFetchGroup = true) private ListBook books; //... public ListBook

Re: [appengine-java] Youtube api issues - too many recent calls only on GAE

2010-01-12 Thread Jason (Google)
First, what is your application ID? Second, how do you guarantee that you only make the call once per hour? Do you have it set up as a cron job or are you just making the call once a memcache value expires or are you using another mechanism? What kind of call are you making to the YouTube API and

[appengine-java] New issue tracker template for production issues

2009-12-29 Thread Jason (Google)
Hi Everyone. Just a note that Googler replies may be slower over the next couple of weeks as we take a short pause to welcome the new year. During this break, we will be piloting a new issue tracker template for speedier resolution of production issues. In the rare event that your app experiences

[appengine-java] Chat Time transcript for December 16, 2009

2009-12-18 Thread Jason (Google)
This past Wednesday, the App Engine team hosted the latest session of its bimonthly IRC office hours. A transcript of the session and a summary of the topics covered is provided below. The next session will take place on Wednesday, January 6th from 7:00-8:00 p.m. PST in the #appengine channel on

Re: [appengine-java] com.google.appengine.api.datastore.DatastoreNeedIndexException

2009-12-18 Thread Jason (Google)
:16 PM, Jason (Google) apija...@google.com wrote: Hi Dmitry. What's your app ID? Indexes are auto-generated by the SDK when you run a query locally that requires a custom index. If you don't run a particular query locally and it uses multiple sort orders or otherwise requires a custom

Re: [appengine-java] com.google.appengine.api.datastore.DatastoreNeedIndexException

2009-12-15 Thread Jason (Google)
Hi Dmitry. What's your app ID? Indexes are auto-generated by the SDK when you run a query locally that requires a custom index. If you don't run a particular query locally and it uses multiple sort orders or otherwise requires a custom index, then the index won't be generated in

[appengine-java] Chat Time transcript for November 4, 2009

2009-11-10 Thread Jason (Google)
This past Wednesday, the App Engine team hosted the latest session of its bimonthly IRC office hours. A transcript of the session and a summary of the topics covered is provided below. The next session will take place on Wednesday, November 18th from 9:00-10:00 a.m. PST in the #appengine channel

[appengine-java] Re: GAE status / availalbility problems?

2009-11-09 Thread Jason (Google)
As always, I need your application ID in order to help troubleshoot app-specific issues. Please provide that and any stack traces or other error messages you see in your application's logs. - Jason On Fri, Nov 6, 2009 at 9:47 PM, Dmitry Anipko dmitry.ani...@gmail.comwrote: After some more

[appengine-java] Re: does usage of buffered writer in servlet make sense

2009-11-04 Thread Jason (Google)
If you're calling print or println many times in your servlet, then it makes sense, although the resource savings you net may not be significant. In general, it's acceptable to use the default PrintWriter. - Jason On Mon, Nov 2, 2009 at 7:18 AM, Raphael André Bauer

[appengine-java] Re: PDF Generator Library

2009-11-04 Thread Jason (Google)
files with Bit Depth 8 and paletted PNG files with Bit Depth 4 and 8. Currently there is no support for grayscale images. If there is interest we may add support for more types of PNG files and possibly GIF support. On Oct 7, 4:14 pm, Jason (Google) apija...@google.com wrote: Hi mably. Can you

[appengine-java] Re: Problem with using Federated Login (OpenID + OAuth)

2009-11-04 Thread Jason (Google)
Hi Pradheep. The library that you are using is attempting to spawn a new thread which is not permitted by App Engine's sandbox. You will have to either disable multithreading via configuration, if the library exposes this, or use another library. The Google Accounts API that is referenced in the

[appengine-java] Re: error 500 from server when starting the guestbook demo app

2009-11-04 Thread Jason (Google)
It looks like your system may not have Java configured correctly or otherwise can't invoke the javac compiler needed to compile your application. java.io.IOException: Cannot run program javac.exe: CreateProcess error=2 You may want to search the web for similar error messages, which might help

[appengine-java] Re: App Engine Refactoring / Adaptable Design

2009-11-04 Thread Jason (Google)
of the query language. I'm sure my questions reflect a newness to OOD. I do appreciate your response. Hans On Nov 2, 3:27 pm, Jason (Google) apija...@google.com wrote: Hi Hans. Aside from the article on modeling entity relationships and the JDO ... It sounds like you want to add a new kind

[appengine-java] Re: Error while uploading app to GAE

2009-11-04 Thread Jason (Google)
Did your path always include the one \ delimiter with all of the other separators being /? - Jason On Mon, Nov 2, 2009 at 7:45 PM, Vik vik@gmail.com wrote: Hie Today all of a sudden when i tried to deploy my app to GAE throws errors: An internal error occurred during: Deploying

[appengine-java] Re: Object not persisted JDO

2009-11-03 Thread Jason (Google)
Hi Julio. How are you verifying that the entity is not persisted? Are you querying for it or verifying using the data viewer? If you're not using the data viewer, please try this first -- http://localhost:8080/_ah/admin(substitute your port number for 8080). If you don't see your entities in the

[appengine-java] Re: managing root / parent objects

2009-11-03 Thread Jason (Google)
The overhead of having to fetch the inner object is negligible since you're using a direct fetch by key. You can set a @NotPersistent property of the intended type and modify your DAO methods to fetch both objects (User and FavoriteFood) and set the @NotPersistent property of the User to this

[appengine-java] Re: AccessControlException on DatastoreService.put() method

2009-11-03 Thread Jason (Google)
Do you see any other exceptions under WARNING or ERROR that provides more information? How long do you wait before the exception is thrown? If it's close to 30 seconds, you could be experiencing a timeout, and you can try scaling back the number of entities written (500 is the theoretical max but

[appengine-java] Re: Maximum data size of image sent to service is not 1Mb, but 512Kb?

2009-11-03 Thread Jason (Google)
Hi Esteban. Please file any discrepancies between the development and production environments as bugs in the public issue tracker: http://code.google.com/p/googleappengine/issues/list Can you attach or link to an image that I can use to reproduce the error? Thanks, - Jason On Sat, Oct 31, 2009

[appengine-java] Re: PreparedQuery.countEntities() clarifications

2009-11-03 Thread Jason (Google)
I think you already arrived the recommended solution to the issue of counting entities. For reference, the reason that the production environment only returned at most 1,000 is an artifact of the query mechanism that App Engine uses which can only return up to 1,000 results per query. - Jason On

[appengine-java] Re: task queue limit 30 sec?

2009-11-03 Thread Jason (Google)
, Jason (Google) apija...@google.com wrote: We'll get these reflected in the documentation very soon. - Jason On Wed, Oct 28, 2009 at 12:49 PM, Toby Reyelts to...@google.com wrote: The limits on tasks queues recently changed http://googleappengine.blogspot.com/2009/10/task-queue

[appengine-java] Re: A tiny framework for working with POJO's in GAE

2009-11-03 Thread Jason (Google)
I don't see a link, but if your framework is open source, feel free to submit it to the App Engine open source projects listing by following the instructions at http://groups.google.com/group/google-appengine/web/google-app-engine-open-source-projects . - Jason On Sun, Nov 1, 2009 at 12:35 AM,

[appengine-java] Re: DeadlineExceededException while executing a server method.

2009-11-03 Thread Jason (Google)
Hi Sanjith. All App Engine requests must return within 30 seconds or this exception will be thrown. If you have a larger task, you can divide it into several parts and execute these in separate tasks, but each task must also return in 30 seconds or less. - Jason On Sat, Oct 31, 2009 at 11:12 AM,

[appengine-java] Re: Problems with JDO Query.setCandidates(Collection)

2009-11-03 Thread Jason (Google)
App Engine's DataNucleus plugin doesn't support the setCandidates method for querying a select group of entities -- all queries currently target the full datastore. You're welcome to file a feature request in the datanucleus-appengine issue tracker, but this isn't likely to be prioritized in the

[appengine-java] Re: What defines a single transaction in JDO?

2009-11-03 Thread Jason (Google)
Can you try moving your query into the first transaction and report if this makes a difference? - Jason On Fri, Oct 30, 2009 at 7:10 PM, RoryD rory1doug...@gmail.com wrote: I'm aware of the restriction on operating on multiple entity groups in a single transaction, but I thought the

[appengine-java] Re: implementing GAE XMPP service as an external component to an existing XMPP server (e.g. ejabberd or OpenFire)

2009-11-02 Thread Jason (Google)
App Engine uses standard XMPP federation to send messages to other XMPP servers. - Jason On Wed, Oct 28, 2009 at 11:38 PM, asianCoolz second.co...@gmail.com wrote: may i know what integration technique that you folks use to implement external component to an existing XMPP server (e.g.

[appengine-java] Re: RESTful- 503 Error

2009-11-02 Thread Jason (Google)
Can you print the full stack trace? Which class is not found? - Jason On Thu, Oct 29, 2009 at 1:12 AM, Shreyas Goel fenzo...@gmail.com wrote: I am trying to prepare an app using Restlets for GAE, however even after following instructions mentioned at

[appengine-java] Re: AppEngine, Crowd SingleSignOn, XFireFault access denied exception

2009-11-02 Thread Jason (Google)
Hi Stavros. App Engine's production sandbox does not permit applications or any frameworks/libraries used to spawn new processes or threads: http://code.google.com/appengine/docs/java/runtime.html#The_Sandbox I'm not familiar with XFireFault so I can't offer any specific tips, but some libraries

[appengine-java] Re: App Engine Refactoring / Adaptable Design

2009-11-02 Thread Jason (Google)
Hi Hans. Aside from the article on modeling entity relationships and the JDO documentation, there aren't a lot of resources on http://code.google.com on this subject, which is something we'll try to address going forward. You may be able to find blog posts from other developers on this, but it's a

[appengine-java] Re: read file

2009-11-02 Thread Jason (Google)
You should be able to read it if you put it in your war directory and configure it as a resource file. I believe the second step is done automatically -- all files are configured as both resource and static by default, though you can override it by following the instructions at

[appengine-java] Re: upload error

2009-11-02 Thread Jason (Google)
Are you still seeing this error? What's your application ID? - Jason On Thu, Oct 29, 2009 at 3:30 PM, Andreas Blomqvist blomqvist.andr...@gmail.com wrote: getting SEVERE: Version still not ready to serve, aborting. when I try and deploy. Did server rollbacks. What could be wrong?

[appengine-java] Re: images over http

2009-11-02 Thread Jason (Google)
. The problem is that already the first attempt to download an image times out under 10 secs, although I did setConnectTimeout(1). On Oct 29, 9:51 pm, Jason (Google) apija...@google.com wrote: Is the server on which your JPEG is hosted especially slow? The server where the JPEGs are hosted

[appengine-java] Re: Problem deploying app - Version not ready

2009-11-02 Thread Jason (Google)
Hi Jed. There was some deployment latency late last week, but this didn't last very long, and everything should be up and running smoothly. Please let me know if you continue to see this error and make sure to provide your application ID in future posts. - Jason On Thu, Oct 29, 2009 at 4:04 PM,

[appengine-java] Re: first Wave Robot

2009-11-02 Thread Jason (Google)
You may want to post this in the Wave developers discussion group as well: http://groups.google.com/group/google-wave-api - Jason On Thu, Oct 29, 2009 at 11:39 AM, VTR vtrraviku...@gmail.com wrote: Hi , I just downloaded the eclipse IDE and was trying the first Wave Robot. But seem to be

[appengine-java] Re: RPC SerializationException if detachable=true

2009-11-02 Thread Jason (Google)
It looks like returning the list of detachable objects attempts to send a list of generic Object instances over the wire. The Object class doesn't implement Serializable so GWT will trigger an exception. Try doing something like the following and see if the error goes away:

[appengine-java] Re: JDO Best Practices

2009-11-02 Thread Jason (Google)
Hi Julio. Can you clarify what you mean by this statement: If i change the code to the mail handler class, it works. As Andy says, creating a new PersistenceManager isn't very expensive, so I wouldn't store an instance in a static variable or worry about sharing an instance with other classes --

[appengine-java] Re: ClassCastException after changing PK from Long to String

2009-11-02 Thread Jason (Google)
Hi Peter. Do you have any existing entities in the datastore that were stored before you made this change? If so, the exception is likely being thrown when one of these entities is retrieved. Since you've changed the primary key field, you may have to remove the original entity and re-add it. You

[appengine-java] Re: How to upload File from Client to Server

2009-11-02 Thread Jason (Google)
You might also be interested in this project, which handles the splitting and persistence for you transparently: http://code.google.com/p/gaevfs/ - Jason On Thu, Oct 29, 2009 at 8:23 PM, le anh leanhduc1...@gmail.com wrote: Hi, everybody . I'm creating a web site by Google Appengine. In my

[appengine-java] Re: Downloading and Uploading All Data for JAVA application...

2009-11-02 Thread Jason (Google)
This isn't available for Java just yet, but you can use the Python bulk loader tool with your Java deployed apps. You may have to deploy remote_api to a new version of your application using the Python SDK, but all versions share the same datastore, so you can still download the original data

[appengine-java] Re: Data Store Indexes

2009-11-02 Thread Jason (Google)
Yes, that is the correct doc for the Java indexes. Regarding your GQL query, the name of the kind is not the full name of the class (including the package) but the simple name. So try using MDsIri instead of com.col.server. MDsIri. You should be able to see any entities you saved in the data

[appengine-java] Re: JDO Unowned Relationship Issue

2009-11-02 Thread Jason (Google)
Ah, my apologies. I overlooked that he was using public field instead of a getter. - Jason On Fri, Oct 30, 2009 at 11:07 AM, datanucleus andy_jeffer...@yahoo.comwrote: I'm not sure if method: employeeCheck.computerKeys.isEmpty()) launches lazy loading. It should, but adding the

[appengine-java] Re: Error upon deploying to Google AppEngine through Eclipse plugin

2009-10-30 Thread Jason (Google)
, 7:05 pm, Jason (Google) apija...@google.com wrote: Can you confirm whether you see a similar error when you try to deploy using the command line utility? http://code.google.com/appengine/docs/java/tools/uploadinganapp.html#... - Jason On Thu, Oct 15, 2009 at 5:01 PM, bizkut mcgroga

[appengine-java] Re: Not sure I'm using Memcache properly

2009-10-30 Thread Jason (Google)
Yes. - Jason On Thu, Oct 29, 2009 at 1:46 AM, leszek leszek.ptokar...@gmail.com wrote: You mean Google App Engine/J implementation of this ? http://code.google.com/intl/pl/appengine/docs/python/urlfetch/asynchronousrequests.html --~--~-~--~~~---~--~~ You

[appengine-java] Re: JDO Unowned Relationship Issue

2009-10-30 Thread Jason (Google)
It should, but adding the annotation won't hurt. - Jason On Thu, Oct 29, 2009 at 3:27 AM, leszek leszek.ptokar...@gmail.com wrote: You have now: employee.addComputer(computer); pm.close(); Replace with: employee.addComputer(computer); pm.makePersistent(employee);

[appengine-java] Re: Persist HashMap with sdk1.2.2 ?

2009-10-30 Thread Jason (Google)
Can you post the code that you're using to re-persist the updated HashMap? - Jason On Thu, Oct 29, 2009 at 6:07 AM, barak barak.ya...@gmail.com wrote: Thanks, did that and the map is indeed serialized now. But now, the enitity is fetched, seems like the state is not always kept. For

[appengine-java] Re: ResponseTooLargeException (url fetch) can't be caught ???

2009-10-30 Thread Jason (Google)
Yes, this looks like a bug. Please file it in the issue tracker: http://code.google.com/p/googleappengine/issues/list In the meantime, you should be able to work around it like this: try { } catch (Exception e) { if (e.getClass().getName().equals(ResponseTooLargeException.class.getName())) {

[appengine-java] Re: any plans for deferred.defer in Java?

2009-10-30 Thread Jason (Google)
Hi David. This may be coming to Java eventually, but it hasn't been started yet. If you or anyone else is interested in contributing, let me know. - Jason On Wed, Oct 28, 2009 at 7:52 AM, David Chandler turboman...@gmail.comwrote: Re: http://code.google.com/appengine/articles/deferred.html

[appengine-java] Re: GAE with external openfire jabber server?

2009-10-29 Thread Jason (Google)
Are you trying to run Openfire on App Engine? - Jason On Wed, Oct 28, 2009 at 8:00 AM, asianCoolz second.co...@gmail.com wrote: how to use java GAE with external jabber server like openfire? any guide? --~--~-~--~~~---~--~~ You received this message

[appengine-java] Re: Simulating MapReduce with task queues

2009-10-29 Thread Jason (Google)
Hi James. I don't have any specific information for you, but if you don't get any other responses, you may build a small test system to see how it performs, and I'm interested in hearing your results. In the meantime, all relevant task queue limits are linked to below:

[appengine-java] Re: images over http

2009-10-29 Thread Jason (Google)
Is the server on which your JPEG is hosted especially slow? Note that the default timeout limit for URL Fetch requests is 5 seconds. You can increase this up to 10 by passing 1 (ms) into setConnectTimeout(). Also keep in mind that your image will have to be smaller than 1 MB if you're

[appengine-java] Re: task queue limit 30 sec?

2009-10-29 Thread Jason (Google)
is 100K tasks/day for free apps and 1M default for billing enabled. On Wed, Oct 28, 2009 at 2:38 PM, Jason (Google) apija...@google.comwrote: All task queue quotas and limits are listed at http://code.google.com/appengine/docs/java/taskqueue/overview.html#Quotas_and_Limits. Note that you can

[appengine-java] Re: JDO multi-dimensional array support

2009-10-29 Thread Jason (Google)
You can use something like this: @Persistent(serialized = true) private Integer[][][] myArray; You won't be able to query on it, but it does work. - Jason On Wed, Oct 28, 2009 at 12:37 PM, king kingalpha...@gmail.com wrote: Hi there, does GAE JDO support something like: @Persistent

[appengine-java] Re: Simulating MapReduce with task queues

2009-10-29 Thread Jason (Google)
Never mind, looks like you already did. :) - Jason On Thu, Oct 29, 2009 at 1:42 PM, Jason (Google) apija...@google.com wrote: Hi James. I don't have any specific information for you, but if you don't get any other responses, you may build a small test system to see how it performs, and I'm

[appengine-java] Re: task queue limit 30 sec?

2009-10-28 Thread Jason (Google)
, James Cooper jamespcoo...@gmail.comwrote: Related question: Is there a limit to the number of pending tasks in a queue? Can you have a million items in there? thanks -- James On Oct 27, 12:07 pm, Jason (Google) apija...@google.com wrote: No, all individual tasks must complete in 30

[appengine-java] Re: using contains(Key) in JDO query

2009-10-28 Thread Jason (Google)
is greatly welcome. Is the OR query operator on the roadmap for GAE? If so, what time frame would that be? On Oct 27, 2:41 pm, Jason (Google) apija...@google.com wrote: While App Engine's datastore does limit which queries you're able to execute, there are various workarounds, which

[appengine-java] Re: Get jdoGetManagedFieldCount() exception when trying to init a persistent class

2009-10-28 Thread Jason (Google)
Up until recently, using abstract classes and persistent subclasses usually failed to work, but the latest preview release for the JDO/JPA layer includes support for inheritance. More information here: http://groups.google.com/group/google-appengine-java/browse_thread/thread/c4208f960d05d11a -

[appengine-java] Re: Grails/Java poor performance

2009-10-28 Thread Jason (Google)
Hi JT. We have seen that Grails-based applications can take up to 30 seconds to spin up on App Engine. We have back-end enhancements coming in the next few releases that should improve this considerably, but Grails itself is partly responsible for the long initialization time, which our back-end

[appengine-java] Re: Time zones implementation is broken in Java AppEngine

2009-10-27 Thread Jason (Google)
At the very least, the local and production environments should have identical behavior, and I agree that App Engine should not be returning GMT for well-established time zones. Please file a new issue in the tracker: http://code.google.com/p/googleappengine/issues/list - Jason On Sat, Oct 24,

[appengine-java] Re: Runtime Exceptions

2009-10-27 Thread Jason (Google)
See the Exception Summary at the bottom of the low-level API reference: http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/package-summary.html We'll be coming out with an article soon which discusses this in more detail and includes examples of how to catch

[appengine-java] Re: where I should put the Task Queue code?

2009-10-27 Thread Jason (Google)
You can use the Task Queue API from any servlet/handler. So define a new servlet, to be triggered by either an incoming request or a scheduled task, that then retrieves the default queue and adds new tasks to the queue. For example, if you have a servlet that gets triggered when a user submits a

[appengine-java] Re: Slowing down local datastore

2009-10-27 Thread Jason (Google)
At present, no, although this is something that should be possible once the SDK for Java is open source. - Jason On Sun, Oct 25, 2009 at 9:15 AM, WSouza willmso...@gmail.com wrote: Hello, Is it possible to slow down the local datastore? So it matches more the performance of the appengine?

[appengine-java] Re: Request Timeout quota and respons page

2009-10-27 Thread Jason (Google)
Hi Alexander. You should be able to catch a com.google.apphosting.DeadlineExceededException which is thrown when a request takes too long to process, and you should be able to do the small amount of processing necessary to display a custom error page. - Jason On Sun, Oct 25, 2009 at 6:14 AM,

[appengine-java] Re: Retrieving the number of entities into the DS

2009-10-27 Thread Jason (Google)
You can also use the new datastore statistics API, which is probably faster although I haven't timed this myself: http://code.google.com/appengine/docs/java/datastore/stats.html - Jason On Mon, Oct 26, 2009 at 6:42 AM, Patrizio Munzi patrizio.mu...@eris4.comwrote: Hi all, what's the best

[appengine-java] Re: Apple Guice: A demo of App Engine, GWT, MVP, Guice, GIN

2009-10-27 Thread Jason (Google)
Hi Stuart. Follow the instructions at the end of the following page to list your project on the open source projects wiki page: http://groups.google.com/group/google-appengine/web/google-app-engine-open-source-projects - Jason On Mon, Oct 26, 2009 at 9:22 AM, Stuart Moffatt

[appengine-java] Re: using contains(Key) in JDO query

2009-10-27 Thread Jason (Google)
While App Engine's datastore does limit which queries you're able to execute, there are various workarounds, which, while not ideal from a development point of view, do ensure that query execution time is minimized so your app can achieve the best possible scalability. One common pattern is

[appengine-java] Re: Please correct entry for Vaadin

2009-10-27 Thread Jason (Google)
Corrected. - Jason On Mon, Oct 26, 2009 at 9:36 PM, Joonas lehti...@gmail.com wrote: Vaadin 6.1 currently has full Google App Engine compatibility --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google App

[appengine-java] Re: Custom subdomain map with app engine

2009-10-26 Thread Jason (Google)
to www.myid.com? I would more than pleased to be able to configure a 301redirect from myid.com to www.myid.com but I am not sure how can I do this with myid.com being mapped to google apps. Please advise, Marius On Oct 14, 10:16 pm, Jason (Google) apija...@google.com wrote: Please try not to double

[appengine-java] Re: Datastore retrieve error

2009-10-26 Thread Jason (Google)
Can you post the code you're using to persist the SyncConfiguration and Account objects? - Jason On Fri, Oct 23, 2009 at 8:09 AM, Gerd Saurer gerd.sau...@gmail.com wrote: I have a object mapped to the Datastore that looks like: @PersistenceCapable(identityType = IdentityType.APPLICATION)

[appengine-java] Re: UserService.isUserAdmin() returns false for domain administrator of certain domains

2009-10-26 Thread Jason (Google)
isUserAdmin returns true only if the current signed-in user is an administrator of the application, not the domain. If you need to programmatically determine Google Apps domain administrators, see the Google Apps APIs: http://code.google.com/apis/apps/ - Jason On Fri, Oct 23, 2009 at 8:52 AM,

[appengine-java] Re: SDK does not upload files that start with .

2009-10-26 Thread Jason (Google)
Hi Vince. It may very well be intentional, but feel free to open a new bug report -- it will be closed if it's confirmed to be working as intended. http://code.google.com/p/googleappengine/issues/list - Jason On Fri, Oct 23, 2009 at 11:12 AM, Vince Bonfanti vbonfa...@gmail.comwrote: The SDK

[appengine-java] Re: creating Word and Excel docs

2009-10-26 Thread Jason (Google)
I'm not familiar with the quotas for Google's Documents List API or your planned access rate, so this is something you should confirm in the Documents List API discussion group, but generally speaking, this does seem like a reasonable strategy.

[appengine-java] Re: Error 500 - Loading data to memory during startup

2009-10-26 Thread Jason (Google)
We are working on enhancements that will hopefully reduce this initialization time for cold instances, which should be rolled out with the next couple of releases. There are several other threads on this, and we definitely recognize the importance and appreciate your patience. Regarding the first

[appengine-java] Re: primary key portability

2009-10-26 Thread Jason (Google)
For very simple models (i.e. no relationships), you can use Long- and String-based primary keys to maintain portability, but if you do want to use relationships, at least one model will have to rely on the com.google.appengine.api.datastore.Key class. - Jason On Thu, Oct 22, 2009 at 6:52 PM,

[appengine-java] Chat Time transcript for October 21, 2009

2009-10-26 Thread Jason (Google)
This past Wednesday, the App Engine team hosted the latest session of its bimonthly IRC office hours. A transcript of the session and a summary of the topics covered is provided below. The next session will take place on Wednesday, November 4th from 7:00-8:00 p.m. PST in the #appengine channel on

[appengine-java] Re: Java vs. Python X-AppEngine-Estimated-CPM-US-Dollars

2009-10-23 Thread Jason (Google)
downs yesterday alone! I am REALLY looking to this update - until then I'd highly recommend staying away from Spring! On Oct 21, 6:59 pm, Jason (Google) apija...@google.com wrote: Aside from keeping steady HTTP traffic to your site, I'm afraid not. But as I wrote in my last post, we're

[appengine-java] Re: Spring MVC + Sitemesh problem

2009-10-23 Thread Jason (Google)
Yes, please try changing the log levels to .INFO or .FINEST -- it's possible that the log output that the frameworks are generating is just not getting surfaced because of the default logging level. After you deploy, you say that all you see is an empty site. Have you tried refreshing several

[appengine-java] Re: GAE Performance

2009-10-23 Thread Jason (Google)
Hi Diana. As others have stated, App Engine can write to multiple entity groups in parallel, so if each User entity is a root entity or is otherwise placed in a different entity group, then there shouldn't be any issues. Regarding performance, all apps should generally be able to handle up to 30

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