Re: [google-appengine] Zigzag merge join and sorting - Update?

see http://groups.google.com/group/google-appengine/browse_thread/thread/ab525fcc84939783/b08b303cdfc95d5c Thanks, Alfred On Thu, Dec 30, 2010 at 5:54 AM, Matija wrote: > Any news about zig

Re: [google-appengine] How to create blobstore entity without create_upload_url?

Hi Iap, Unfortunately, the blobstore doesn't currently support this use-case. We may add support for invariant upload URLs and alternate encapsulation methods in future - feel free to file a feature request in the issue tracker! -Nick Johnson On Wed, Jan 12, 2011 at 3:54 PM, Iap wrote: > Hi, >

[google-appengine] Re: Advice for database model

Your model won't work if one message can have several recipients. Is this OK? And is there a particular reason why you create an entity group for a user and its messages ? You only need an entity group if you plan to update different entities transactionally. Also, you might be interested by this

Re: [google-appengine] Alfred Fuller - "... So we've done that ..." : ZigZag merge join += Sort

Short answer: Working on it, it will be available soon (isn't everything always coming out soon? :-)) Long answer: I actually added support for OR/NOT and SORT to the zigzag framework more than a year ago. However, to have the datastore use it I need to update the query planner to be able plan the

[google-appengine] Re: How to implement 'Mark All Read' feature in appengine

This one year old thread discusses the same problem I think: http://groups.google.com/group/google-appengine/browse_thread/thread/b35a0387dfdf918b/55563f57306defbc?lnk=gst&q=mark+as+read#55563f57306defbc A possible solution: class Message(db.Model): sender=db.StringProperty() body=db.TextProp

[google-appengine] Unable to send mail

Hello all, I have a application which uses google mail api which is included in the java servlet. The servlet has to send mails to the registered users. I am using Eclipse IDE but its not giving me any error. http://code.google.com/appengine/docs/java/mail/usingjavamail.html this is the api i am us

Re: [google-appengine] Re: Copying Entities to Another Application Failing

Can you give us the source app id and a stack trace? Thanks, Alfred On Mon, Jan 10, 2011 at 9:43 AM, Aaron wrote: > Hi, > > I just wanted to bump this a little because I'm still stuck on this > problem. Would really appreciate any help. > > On Jan 8, 11:27 pm, Aaron wrote: > > Hi App Engine

[google-appengine] How to create blobstore entity without create_upload_url?

Hi, The official API requires two steps to create an entry in blobstore. Firstly, get an URL by create_upload_url(), then receive the BlobKey in redirected handler. That doesn't fit into my case. Because: In client side, I use ajax to send data, which does not send data with "multipart/form-data",

[google-appengine] Unable to update

hello all, I am uploading an sample application to google app engine, which consists of Google mail api, this is the error i am getting while updating to the google app engine. java.io.IOException: Error posting to URL: https://appengine.google.com/api/appversion/create?app_id=testingmpmail&versio

Re: [google-appengine] Re: What does offline URL Fetch mean?

Hi Feng, On Sun, Jan 9, 2011 at 4:12 PM, Feng wrote: > So the max deadline of an "online" urlfetch call is still 10 seconds? > What happens if I try to set it to, say, 20 seconds, for an online > urlfetch call? Is the deadline maxed out at 10 seconds or remains the > default 5 seconds? > If y

[google-appengine] Datastore and Geo search and GQL limitations workarounds

Hi, my name it's Cesare, I'm new to GAE (3 days) and this group as well, I would like to take this opportunity to say hello to everybody :) I guess that many many peaople had the same ploblem of mine, because of the limitations of GQL about using an inequality operator on more than 1 property and

[google-appengine] Is there any way to change the IP address of a GAE application when getting url from other site?

Hi, I am developing a GAE application, want to get other data from some website W. And this W site has some restrict for request per IP. I thought that my GAE app will get dynamic IP address every time when sending request to W site. But after testing, I find that every time , my GAE app always u

[google-appengine] Suggestions for Exploding Index Problem

I recently watched a Google I/O Talk regarding exploding indexes, and realized that the application that I am currently developing has queries that are susceptible to this problem. Try as I might, I can't think of a good way to resolve my problem, so I was hoping to get some input. My database mo

[google-appengine] Re: Hourly bursts of deadline exceeded errors

looking forward to reply from google, as least if there is any possible solution to tackle this. It seems to me that this is an issue with Google's server. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email

Re: [google-appengine] Need help downloading java version from gae Newbie

To my knowledge there is no source code for Java apps on GAE servers. Use some sort of Version Control software. CVS, SVN, GIT,... 2011/1/11 Dave Allen : > I cannot find anything on the net, so I am requesting assistance > downloading a previous version of my gae, gwt app. I am using Ubuntu >

Re: [google-appengine] app.yaml differente handlers by subdomains...

If all versions have the SAME code why direct different host names to different versions. GAE will create multiple instances of the same code to service simultaneous requests, up to hundreds of requests a second. 2011/1/11 Sahid Orentino Ferdjaoui : > Hello All, > I have a app with different versi

[google-appengine] Re: Is it possble to efficiently filter out entities with no value set for a property of type TextProperty in Google Apps Engine? How?

One way you might want to approach this is to add some new property to your model that tracks this state you are interested in. For example, a boolean "complete" property. On Jan 11, 2:30 pm, mcnemesis wrote: > I recently had to update one of my model's properties from type * > StringProperty* to

[google-appengine] Re: Drools and Jess Expert system Develpoment with Google App Engine

Perhaps this post will help - http://drools-java-rules-engine.46999.n3.nabble.com/drools-and-google-app-engine-td64871.html, I seem to remember something about those libraries requiring some unexpected stuff that interfered with Java security policies, but the memory is pretty faint - a quick

Re: [google-appengine] Task Queue errors on deployment

What's your application ID? Can you post your queues.xml? -- Ikai Lan Developer Programs Engineer, Google App Engine Blogger: http://googleappengine.blogspot.com Reddit: http://www.reddit.com/r/appengine Twitter: http://twitter.com/app_engine On Wed, Jan 5, 2011 at 2:04 PM, Chris Vaughn wrote:

[google-appengine] How do I bulk send the same mail to multiple recipients?

I currently use this in a task. for recipient in recipients: msg.to = recipient msg.send() This works, but there is a problem. When send() fails so does the task, and all mails sent so far are send again in the task retry. What I'd like sth. like mail.batch(recipients), which guarantees t

Re: [google-appengine] BadRequestError: app s~helixchewer cannot access app helixchewer's data during create_bulkloader_config

The s~ is supposed to be an invisible modifier for High Replication applications. Give this a try: appcfg.py create_bulkloader_config --filename=bulkloader.yaml --url= http://helixchewer.appspot.com/_ah/remote_api --application=s~helixchewer -- Ikai Lan Developer Programs Engineer, Google App Eng

[google-appengine] Re: I get a blank page when i try to enter to my app.

I re dployed once again my app and now is running well. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+

Re: [google-appengine] Is it possble to efficiently filter out entities with no value set for a property of type TextProperty in Google Apps Engine? How?

No, there isn't. Think of the datastore as a giant dictionary/hash table/whatever. Think of indexes as another dictionary where the key is: SomeEntity:property1:value:entityKeyHere123 A "None" value is indexed, but an "empty" property is one which is not indexed. Because it's not indexed, we can'

[google-appengine] Re: Channel API inconsistencies and errors.

Hi there - For number 1, it is likely that the channel hasn't been fully opened on the client when you send the first message. You can make a POST in the onopen handler back to your app to indicate that the channel is "fully open". (I am working on a better "presence" model for this where your app

Re: [google-appengine] Re: __scatter__ property

Cool. And thx for the quick responses! -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googl

[google-appengine] Re: __scatter__ property

Oh yeah, I see it now. I'll get it fixed. On Jan 11, 1:22 pm, Stephen Johnson wrote: > Hi Fred, > I can see it when I go to Datastore Statistics page and choose an individual > entity. On about half of my entities I can see the property and half I don't > see the property. The first four of my en

Re: [google-appengine] Re: __scatter__ property

Hi Fred, I can see it when I go to Datastore Statistics page and choose an individual entity. On about half of my entities I can see the property and half I don't see the property. The first four of my entities alphabetically have it and the fifth doesn't. appid is my-lms-test Steve On Tue, Jan 11

[google-appengine] Re: geo-targeted websites on app engine

Appengine is entirely hosted in North American datacenters at the moment. On Jan 10, 4:56 pm, brady wrote: > I'm under development of a simple web app which will be targeting > india... considering hosting it on app engine, but am curious how it > handles specifically geographically targeted site

[google-appengine] Re: __scatter__ property

As Ikai said, this was added in support of making mapper more efficient. It's supposed to be completely invisible, so its visibility is a bug. Can you let me know where you're seeing it (admin console? API?) and your appid? Also, in case you're worried, Google is picking up the bill for this proper

[google-appengine] Is it possble to efficiently filter out entities with no value set for a property of type TextProperty in Google Apps Engine? How?

I recently had to update one of my model's properties from type * StringProperty* to *TextProperty* in order to overcome the restrictive limit (a maximum of 500 characters). That wasn't a problem till I realized some of my old queries like: SomeEntity.gql('WHERE property1 != :1',None) w

Re: [google-appengine] __scatter__ property

The scatter property is being used to better distribute work across different worker shards. Prior to the scatter property, there were several incidents where work was unevenly distributed across tasks. -- Ikai Lan Developer Programs Engineer, Google App Engine Blogger: http://googleappengine.blog

[google-appengine] I get a blank page when i try to enter to my app.

Ten minutes ago I deployed my app. I don't have compilation problems. This my deploying log: Initializing precompilation... Deploying new version. Will check again in 1 seconds. Will check again in 2 seconds. Will check again in 4 seconds. Will check again in 8 seconds. Will check again in 16 sec

Re: [google-appengine] __scatter__ property

Thanks Ikai, I've been using mapreduce for a long time and have never seen properties added to our own entities like that. I'll take a look and see what it's being used for so I understand it better and if this side-effect is documented anywhere since it is strange and a little disconcerting to see

Re: [google-appengine] Does High Replication not work with Google Apps Accounts?

Are you logging in at the /a/google.com account login page? -- Ikai Lan Developer Programs Engineer, Google App Engine Blogger: http://googleappengine.blogspot.com Reddit: http://www.reddit.com/r/appengine Twitter: http://twitter.com/app_engine On Sat, Jan 8, 2011 at 11:25 PM, John Gardner wro

Re: [google-appengine] Blob Uploader

Hey, That's not a great error report: tell the group what isn't working, what you expect, what errors you see, what you see in logs, etc. (Think of how many times a non-technical person has reported a bug to you as "it's not working" and how frustrating that is) -- Ikai Lan Developer Programs En

Re: [google-appengine] __scatter__ property

It's a property used by the Mapper API: http://www.google.com/codesearch?q=__scatter__+package:http://appengine-mapreduce\.googlecode\.com&origq=__scatter__&btnG=Search+Trunk -- Ikai Lan Developer Programs Engineer, Google App Engine Blogger: http://googleappengine.blogspot.com Reddit: http://www

[google-appengine] Help making query faster

Hi Everyone, A little challenge for the day - If I have many millions of an object persisted in the datastore that have an two properties: a long value and a date, and I want to query for a subset of those object that have the same long value, and a date that falls between a start and end date ran

[google-appengine] Re: How to implement 'Mark All Read' feature in appengine

@David That sounds good but it would probably fail if the user marks one of the messages in between as 'unread' :( -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To

Re: [google-appengine] Is there any way to change the IP address of a GAE application when getting url from other site?

No. It might be the same IP for a while, but its not garenteed. And instance starting up on a new server might well suddenly making requests from a new IP. Scheduled maintaince is almost certainly garenteed to cause a new IP address. See if that site allows some other form of security? - because

[google-appengine] Drools and Jess Expert system Develpoment with Google App Engine

I'm wondering if with google app engine i can use libraries like drools or jess to do experts systems. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe fr

[google-appengine] Google Apps supports Drools and Jess libraries from Java?

I'm from Argentina, and i'm trying to develop an expert system that used Drools or Jess libraries from Java. My question someone knows if i can use (import) this libraries without problem at google apps engine with java? Thanks and sorry for my english.. -- You received this message because you

[google-appengine] NullPointerException with LocalDatastoreService in JUnit Tests

Hi, I have a set of JUnit tests that are using the LocalDatastoreService and the LocalMemcacheService. In the setUp and tearDown I have: @Before public void setUp() throws Exception { memCacheHelper.setUp(); dataStoreHelper.setUp(); }

[google-appengine] Indexes stuck in "Building" state

My indexes are stuck in "Building" state and have been so for a couple of days now. Could someone please clear them out? Also, I know I need to run vacuum_indexes. My app is written with the Java SDK. Can I run vacuum from there or do I have to use the python SDK? -- You received this message

[google-appengine] Is there any way to change the IP address of a GAE application when getting url from other site?

Hi, I am developing a GAE application, want to get other data from some website W. And this W site has some restrict for request per IP. I thought that my GAE app will get dynamic IP address every time when sending request to W site. But after testing, I find that every time , my GAE app always u

[google-appengine] Datastore Index

Hi, In data store Indexes for my application there are around 198 indexes of which 92 are in building state, But they have not yet error'ed out and 109 are in Serving mode.I need you to mark those indexes in building state as errors. My application Name : - saravana

[google-appengine] Problem login with google account in IE

Problem login with google account in IE(9). The only way is add my.appspot.com to trust web site in IE configuration. This is really not user friendly to user. Any suggestion for this ? Best Regards Tom Wu -- You received this message because you are subscribed to the Google Groups "Google A

[google-appengine] NeedIndexError: no matching index found - but index.yaml has the necessary definitions

hi there i still get this error. in the admin view everything is build and the index.yaml has the necessary definitions. can u help me along? application identifier: lightning-app cheers -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. T

[google-appengine] geo-targeted websites on app engine

I'm under development of a simple web app which will be targeting india... considering hosting it on app engine, but am curious how it handles specifically geographically targeted sites? Is there a way to instruct app engine where my target audience is, will it try to run the app from servers close

[google-appengine] BadRequestError: app s~helixchewer cannot access app helixchewer's data during create_bulkloader_config

I can't for the life of me figure out what this error means, or how to solve it. It looks like I made a typo somewhere (s~helixchewer vs helixchewer) but I can't figure out where. Has anyone run into this before? > appcfg.py create_bulkloader_config --filename=bulkloader.yaml > --url=http://he

[google-appengine] Channel API inconsistencies and errors.

I have been working with the Channel API and Sencha Touch to create a mobile web app. For the most part this works great, but there are some intermittent issues. 1. Sometimes messages are not received by the app even though the channel has been created successfully in my server log I see that a me

[google-appengine] Re: Hourly bursts of deadline exceeded errors

I can confirm instance restarts happening for no apparent reason. I had a steady stream of dummy tasks executing every second and noticed that instances die 1-2 every hour. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this g

[google-appengine] Problem with Eclipse PyDev and Google App Engine

Hello folks, I am a beginner of the python world. I was trying to create a Google App Engine application using PyDev in Eclipse (HELIOS) I have Python 2.7 installed and configured (i believe) correctly inside Eclipse. After successful creation of a project, I get two errors in asklogin.py (I had c

[google-appengine] Re: How to implement 'Mark All Read' feature in appengine

You can save a date for the user on when the last mark all read date was set. Then consider anything before that date as read by that user. That way you only have to update a single entity. On Jan 9, 8:57 am, nischalshetty wrote: > Say a user selects 5000 unread messages (each message is an ent

[google-appengine] Advice for database model

I need suggestion for the database model designed by me for the app I am going to develop. Requirement: I am going to fetch messages (belongs to a particular user) and insert into the datastore and update the unread count for that user accordingly. Later on user can do operations like marking all/

[google-appengine] Is there any way to change the IP address of a GAE application when getting url from other site?

Hi, I am developing a GAE application, want to get other data from some website W. And this W site has some restrict for request per IP. I thought that my GAE app will get dynamic IP address every time when sending request to W site. But after testing, I find that every time , my GAE app always u

[google-appengine] Re: What does offline URL Fetch mean?

So the max deadline of an "online" urlfetch call is still 10 seconds? What happens if I try to set it to, say, 20 seconds, for an online urlfetch call? Is the deadline maxed out at 10 seconds or remains the default 5 seconds? Because if it's the former then I can use the same code for both online

[google-appengine] Need help downloading java version from gae Newbie

I cannot find anything on the net, so I am requesting assistance downloading a previous version of my gae, gwt app. I am using Ubuntu Linux. Also, if it does not come down to Eclipse directly, kindly instruct me how to unpack it, get it into eclipse. Thanks. -- You received this message because y

[google-appengine] __scatter__ property

Checking my datastore statistics today I noticed that a new property has magically appeared named __scatter__ of type ShortBlob. I don't have any property defined with this name and it has the App Engine format of __xyz__ naming so I'm assuming it's something Google has introduced. However, this is

[google-appengine] Blobstore totally unreliable, redirect to http://temporary-blobstore-error.appspot.com/

I've been getting reports from some of my customers that they're sometimes having trouble saving on a page goes to the blobstore handler. What happens is the page gets redirected to http://temporary-blobstore-error.appspot.com/ and the page says: Error: Server Error The server encountered an erro

[google-appengine] Re: app.yaml differente handlers by subdomains...

On Jan 11, 7:21 am, Sahid Orentino Ferdjaoui wrote: > Hello All, > > I have a app with different versions. > All versions use the same code but i would like configure my app.yaml to use > differente script by versions. > > hum... i don't know if i'm understable :) > > An example *(app.yaml)*: >

[google-appengine] app.yaml differente handlers by subdomains...

Hello All, I have a app with different versions. All versions use the same code but i would like configure my app.yaml to use differente script by versions. hum... i don't know if i'm understable :) An example *(app.yaml)*: handlers: - url: server1.APPID.appspot.com/.* - script: servers/server1

Re: [google-appengine] Re: Hourly bursts of deadline exceeded errors

Yesterday I got the following: 01-10 01:31PM 54.141 /lmv/MemberDataStoreServices 500 10194ms 0cpu_ms 0kb Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13 ( .NET CLR 3.5.30729; .NET4.0C),gzip(gfe) 173.77.83.166 - - [10/Jan/2011:13:32:04 -0800] "POST /lmv/M

[google-appengine] Re: Time required to migrate to High Replication

Anyone know the answer? Cheers! On Jan 7, 8:19 am, Mike wrote: > Hi guys > > My database roughly around 30 GB and with about 1 million entities. Do > you know approximately how long it will take to migrate? > > I'm worried about taking the site offline for a long time. > > Cheers > Mike -- Yo