[google-appengine] Re: Problem with Google App Engine Login

[Ploy]

Is there anyway to resolve this issue?

On Dec 10, 9:51 am, Ploy  wrote:
> Hi Ikai,
>
> I have tried still the same. I couldn't access the dashboard and ended
> up in the redirect loop.
> I have also accepted all invitations sent from another administrator.
>
> Ploy
>
> On Dec 10, 4:17 am, "Ikai Lan (Google)" 
> wrote:
>
> > I see the pending invites. I've forced added you as a developer. Give it a
> > shot now.
>
> > --
> > 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 Tue, Dec 7, 2010 at 6:50 PM, Ploy  wrote:
> > > uwa-request and uwa-istats
>
> > > --
> > > You received this message because you are subscribed to the Google Groups
> > > "Google App Engine" group.
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Re: [google-appengine] Please help: ClassNotFoundException: com.google.appengine.tools.enhancer.Enhance

[acellam guy]

The reason for the error is because GAE library is not referenced to your
project.

So As a result, the greeting application will definetly fail because u need
to use GAE lib ie enhance tool to Enhance your class and this is failing.

Try updating your plugin.make sure your plugin is operation before you run
any app



On Mon, Dec 13, 2010 at 6:47 PM, ken  wrote:

> Hi, all:
>I'm a newbie to google app engine.
>After install GAE eclipse plugin, and create a Google Web
> application project, it immediately reports error: "Could not find the
> main class: com.google.appengine.tools.enhancer.Enhance. Program
> exit".
>
>In the console:
>Exception in thread "Main Thread" java.lang.NoClassDefFoundError:
> com/google/appengine/tools/enhancer/Enhance
> Caused by: java.lang.ClassNotFoundException:
> com.google.appengine.tools.enhancer.Enhance
>at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
>at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>
>I tested this with Eclipse 3.6/3.5, GAE 1.4/1.3, both report above
> error.
>
>Run the guestbook provided in the SDK, it would report the
> following error:
>javax.jdo.JDOUserException: Persistent class "Class
> guestbook.Greeting does not seem to have been enhanced.  You may want
> to rerun the enhancer and check for errors in the output." has no
> table in the database, but the operation requires it. Please check the
> specification of the MetaData for this class.
>...
>Caused by:
> Persistent class "Class guestbook.Greeting does not seem to have been
> enhanced.  You may want to rerun the enhancer and check for errors in
> the output." has no table in the database, but the operation requires
> it. Please check the specification of the MetaData for this class.
> org.datanucleus.store.exceptions.NoTableManagedException: Persistent
> class "Class guestbook.Greeting does not seem to have been enhanced.
> You may want to rerun the enhancer and check for errors in the
> output." has no table in the database, but the operation requires it.
> Please check the specification of the MetaData for this class.
>
>Could anybody help on this, I would really very appreciate...
>
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>
>

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Re: [google-appengine] Datastore index was stuck in "Building" state.

[Ikai Lan (Google)]

I've moved these indexes into error. Go ahead and run vacuum_indexes.

--
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 Mon, Dec 13, 2010 at 10:23 AM, Wim den Ouden  wrote:

> sometimes it take longer to build.
> http://code.google.com/p/relat/wiki/gaetips#Datastore_index
>
>
> On Sun, Dec 12, 2010 at 6:07 AM, Samuel Alpoim wrote:
>
>> Hello,
>>
>> I think that the we have indexes stuck in building state.
>> Can you check and delete all the indexes please?
>> The application ID is ysp-core-stg.
>>
>> Thanks
>>
>> --
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>> .
>> For more options, visit this group at
>> http://groups.google.com/group/google-appengine?hl=en.
>>
>>
>
>
> --
> gr
> Wim den Ouden
> Gae based E-business  (web) apps
> Free open source 
> Gae developer tips 
>
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>

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Re: [google-appengine] Article about tuning Java apps for AppEngine

[Ikai Lan (Google)]

Hi Paul,

You can enable billing for this. I doubt you'll end up paying a lot for it.
Storage charges are based on snapshots and averaged for the month.

Good luck!

--
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 Mon, Dec 13, 2010 at 4:54 AM, Paul Bakker wrote:

> Hi Ikai,
>
> Glad you like it. The article gets quite some hits so it seems there's a
> lot of interest in this topic. I got some questions relating large volumes
> of data. I'm working on another article that goes into the details of this.
> To get some real numbers I need to run some benchmarks with larger amounts
> of data (max 10 million rows), but I run into free quota limits. Is there
> any way this limit could be stretched for a few days so I can finish the
> article without having to pay a lot for it? I'm trying to advocate the use
> of GAE after all :-)
> My app id is 
> gae-benchmarks
> .
>
> Great work on the latest releases (most specifically no more 1000 row limit
> in 1.3.1 and always on in 1.4). Takes away a lot of the reasons why not to
> use GAE!
>
> --
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> .
> For more options, visit this group at
> http://groups.google.com/group/google-appengine?hl=en.
>

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Re: [google-appengine] Datastore index was stuck in "Building" state.

[Wim den Ouden]

sometimes it take longer to build.
http://code.google.com/p/relat/wiki/gaetips#Datastore_index

On Sun, Dec 12, 2010 at 6:07 AM, Samuel Alpoim wrote:

> Hello,
>
> I think that the we have indexes stuck in building state.
> Can you check and delete all the indexes please?
> The application ID is ysp-core-stg.
>
> Thanks
>
> --
> You received this message because you are subscribed to the Google Groups
> "Google App Engine" group.
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> google-appengine+unsubscr...@googlegroups.com
> .
> For more options, visit this group at
> http://groups.google.com/group/google-appengine?hl=en.
>
>


-- 
gr
Wim den Ouden
Gae based E-business  (web) apps
Free open source 
Gae developer tips 

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Re: [google-appengine] Trouble Setting up Billing

[Wim den Ouden]

http://code.google.com/support/bin/request.py?contact_type=AppEngineBillingSupport

On Mon, Dec 13, 2010 at 3:46 AM, warbea...@yahoo.com wrote:

> Hi,
>
> I've tried to set up billing for my account three times now.  Each
> time, it changes the Billing Status to "Activating" and then after
> half an hour, it changes back to Free.
>
> I have tried two different credit cards, and both exhibited the same
> behavior.  I would greatly appreciate any help with this from the
> Appengine Team.
>
> My app ID is voteonwikileaks.
>
> Thanks.
>
> --
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> .
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>
>


-- 
gr
Wim den Ouden
Gae based E-business  (web) apps
Free open source 
Gae developer tips 

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[google-appengine] Trouble Setting up Billing

[warbea...@yahoo.com]

Hi,

I've tried to set up billing for my account three times now.  Each
time, it changes the Billing Status to "Activating" and then after
half an hour, it changes back to Free.

I have tried two different credit cards, and both exhibited the same
behavior.  I would greatly appreciate any help with this from the
Appengine Team.

My app ID is voteonwikileaks.

Thanks.

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[google-appengine] Error in Create Entity in Datastore Viewer (__scatter__)

[N4Spd]

Can't create new entities using the Datastore Viewer.

There's a new field "__scatter__" which seems to be an internal
property that is showing up in the create form.

The error is "Server Error", "A server error has occurred."

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[google-appengine] App engine admin login dumps me back in the login page (https://appengine.google.com/)

[Norlesh]

When attempting to access my appengine control page (using
https://appengine.google.com) I submit the account password only to be
redirected back to the same page over and over with no error message.
I hadn't attempted to log in for a few weeks since I had been working
on the local machine however the test pages from my last upload are
still active.
I am using the same account that I originally used to upload the test
pages and have even reset the password on the account just to be sure.
Tested this in both Chrome and IE and tried both restarts and clearing
all application data...
   Has anyone else experienced these symptoms? How do I get back in?
 thanks - Shane

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[google-appengine] user service return page

[david]

Hi,

I have a very newbie question.

I have an entire gwt home page, it has a sign in button (rpc).

This is the service implementation (just like the example):

UserService userService = UserServiceFactory.getUserService();
HttpServletRequest request = this.getThreadLocalRequest();
String message = "";
String thisURL = request.getRequestURI();

Principal principal = request.getUserPrincipal();
if(principal == null){
message = "Please sign in.";
}
else{
message = "Hola " + principal.getName() + ". Puedes sign
out.";
}
return message;

I let the doGet method empty.

Then, when I sign in/sign out it redirects me to a blank page (to
myApp/myServlet), but i want to back to the page i was (my gwt home
page or wherever I was)

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[google-appengine] Please help: ClassNotFoundException: com.google.appengine.tools.enhancer.Enhance

[ken]

Hi, all:
I'm a newbie to google app engine.
After install GAE eclipse plugin, and create a Google Web
application project, it immediately reports error: "Could not find the
main class: com.google.appengine.tools.enhancer.Enhance. Program
exit".

In the console:
Exception in thread "Main Thread" java.lang.NoClassDefFoundError:
com/google/appengine/tools/enhancer/Enhance
Caused by: java.lang.ClassNotFoundException:
com.google.appengine.tools.enhancer.Enhance
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

I tested this with Eclipse 3.6/3.5, GAE 1.4/1.3, both report above
error.

Run the guestbook provided in the SDK, it would report the
following error:
javax.jdo.JDOUserException: Persistent class "Class
guestbook.Greeting does not seem to have been enhanced.  You may want
to rerun the enhancer and check for errors in the output." has no
table in the database, but the operation requires it. Please check the
specification of the MetaData for this class.
...
Caused by:
Persistent class "Class guestbook.Greeting does not seem to have been
enhanced.  You may want to rerun the enhancer and check for errors in
the output." has no table in the database, but the operation requires
it. Please check the specification of the MetaData for this class.
org.datanucleus.store.exceptions.NoTableManagedException: Persistent
class "Class guestbook.Greeting does not seem to have been enhanced.
You may want to rerun the enhancer and check for errors in the
output." has no table in the database, but the operation requires it.
Please check the specification of the MetaData for this class.

Could anybody help on this, I would really very appreciate...

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[google-appengine] Datastore index was stuck in "Building" state.

[Samuel Alpoim]

Hello,

I think that the we have indexes stuck in building state.
Can you check and delete all the indexes please?
The application ID is ysp-core-stg.

Thanks

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[google-appengine] Re: Channel API CPU usage

[Flori]

2770ms too, also it appears a yellow alert in the "current
load" (dashboard) table for each request.. and i agree it can take
upto 10 seconds. A load time/CPU usage which really is not acceptable,
ins't it? (but it seems to be no problem on localhost). Are there any
plans to improve performance?

I started a similar thread due this issue but there were no answers
yet:
http://groups.google.com/group/google-appengine-java/browse_thread/thread/3285f61655ace488

On 11 Dez., 04:53, Tom Wu  wrote:
> Hi Andy,
>
> Here is 2770ms. Compare to using the beaconn + urllib, the channel api
> really cost a lot.
>
> [?]    [?]
> Tom Wu
>
> 2010/12/11 Andy Kim 
>
>
>
>
>
>
>
> > The new Channel API is awesome and it opens up many possibilities on what I
> > can do with GAE. I have noticed however, that creating a channel takes about
> > 2800 ms of API CPU time. Is everyone else seeing similar times or am I doing
> > something wrong here?
>
> > --
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> > To unsubscribe from this group, send email to
> > google-appengine+unsubscr...@googlegroups.com > e...@googlegroups.com>
> > .
> > For more options, visit this group at
> >http://groups.google.com/group/google-appengine?hl=en.
>
>
>
>  1E3.gif
> 3KAnzeigenHerunterladen

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[google-appengine] Getting Started tutorial getting DatastoreNeedIndexException

[Vandr? Brunazo]

I'm doing the "Getting Started" tutorial for the Google Web Toolkit
with App Engine, called "StockWatcher". This tutorial right here:
http://code.google.com/webtoolkit/doc/latest/tutorial/appengine.html



I finished writing the whole code, and deployed to GAE. But got an
error and found this DatastoreNeedIndexException on the log:



javax.servlet.ServletContext log: Exception while dispatching incoming
RPC call com.google.gwt.user.server.rpc.UnexpectedException: Service
method 'public abstract java.lang.String[]
com.google.gwt.sample.stockwatcher.client.StockService.getStocks()
throws com.google.gwt.sample.stockwatcher.client.NotLoggedInException'
threw an unexpected exception:
com.google.appengine.api.datastore.DatastoreNeedIndexException: no
matching index found..
The culprit is this method:



public String[] getStocks() throws NotLoggedInException {
checkLoggedIn();
PersistenceManager pm = getPersistenceManager();
List symbols = new ArrayList();
try {
Query q = pm.newQuery(Stock.class, "user == u");
q.declareParameters("com.google.appengine.api.users.User u");
q.setOrdering("createDate");
List stocks = (List) q.execute(getUser());
for (Stock stock : stocks) {
symbols.add(stock.getSymbol());
}
} finally {
pm.close();
}
return (String[]) symbols.toArray(new String[0]);
}

I don't understand what's wrong. Why is the index not matching and how
could I fix it? Is the tutorial wrong or did I screw up somewhere?


If it helps, here's the deployed app:
http://vib-test-01.appspot.com/

and here's the full source code if anyone cares:
https://github.com/vibrunazo/StockWatcher



Thanks in advance.

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[google-appengine] Re: memcache evictions

[Tim Hoffman]

Oops. My bad, must have missed or added a digit ;-(


We have a pretty large and fairly static site and am only getting a 40%
hit ratio with about 8MB in cache. Still quite happy with it though.


T

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[google-appengine] Re: Username Already Exists For Application ID?

[Will Merydith]

Thanks for repeating the information here. I only saw documentation
stating that your username was reserved for use, and nothing about the
issue with the dot.

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Re: [google-appengine] Article about tuning Java apps for AppEngine

[Paul Bakker]

Hi Ikai,


Glad you like it. The article gets quite some hits so it seems there's
a lot of interest in this topic. I got some questions relating large
volumes of data. I'm working on another article that goes into the
details of this. To get some real numbers I need to run some benchmarks
with larger amounts of data (max 10 million rows), but I run into free
quota limits. Is there any way this limit could be stretched for a few
days so I can finish the article without having to pay a lot for it?
I'm trying to advocate the use of GAE after all :-)
My app id is gae-benchmarks.


Great work on the latest releases (most specifically no more 1000 row
limit in 1.3.1 and always on in 1.4). Takes away a lot of the reasons
why not to use GAE!

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[google-appengine] Re: In development mode why my local data is deleted sporadically ?

[l.denardo]

Also, local data seem to be cleared any time the dev server encounters
an error.
If you reload your server (or client) too many times (2-3 server, 8-10
gwt client) and you get a "perm gen space error" then your local data
will be cleared. This seems specific to 1.4.0.

Anyway, you can simply put the local db file under source control, and
revert it when local data get cleared. This is not the cleanest way to
handle this behavior, but saves you some time.

Regards
Lorenzo

On Dec 11, 10:08 am, Ian Marshall  wrote:
> If you haven't deleted your local_db.bin file and you are getting this
> problem, so a search on this problem in this forum. I have described
> this problem and its "cause" - as has Ikai.
>
> (My latest response is not listed against my profile but you might be
> able to see it from Mon 13 Dec.)
>
> On Dec 11, 1:48 am, "Ikai Lan (Google)" 
> wrote:
>
> > The local datastore is stored in a file called local_db.bin. You're probably
> > deleting this on new builds or cleans.
>
> > --
> > 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 Fri, Dec 10, 2010 at 5:45 AM, suersh babu wrote:
>
> > > Hi,
>
> > > I have experienced that my local data is deleted sporadically in my
> > > development mode.
>
> > > Is some one experience this issue before,  and figured it why this is
> > > happening 
>
> > > Any suggestion about this is much appreciated.
>
> > > I am using Eclipse IDE 3.6,  App Engine SDK 1.3.8,  objectify, and gwt 
> > > 2.1.
>
> > > --
> > > *Regards
>
> > > Suresh Babu G*
>
> > >   --
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[google-appengine] Re: Channel API CPU usage

[Remigius]

Andy,

this amounts to 0.01$ (1 cent) per user per month. too high?

Moishe,

Why don't you rather think along the lines of introducing a (maybe
application specified) timeout, i.e. the token expires after there's
no successfully delivered message for a certain amount of time? This
would avoid a lot of house-keeping needed to regenerate expired tokens
for still connected users in most usage scenarios (that I can
imagine). Of course, improvements on the CPU usage are welcome as
well...

Cheers, R.

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[google-appengine] Re: How GAE fits into Continuous Integration of cloud applications?

[Remigius]

Hi Maxim,

We currently don't deploy from our CI and also have a much simpler
test scenario, but we are always thinking about integrating online
tests and hence also a GAE deployment into our CI process. Here a few
thoughts about this:

o We have dev, staging and production environments, each running as a
separate app.
o Clearing a datastore always affects a whole app, so running staging
and prod as different versions of the same app is always risky and
you'll end up working around potential issues.
o We don't use namespaces (currently - but don't see any use for them,
neither for multi tenancy nor for separating environments).

Why do you need separate versions to run your tests? If you integrate
all test scenarios on a single application, you can run them as
different (HTTP-) Requests inside a single app version, either
concurrently  or sequentially, driven from your CI environment or from
a single requests that starts multiple queued tasks. Running the test
sequentially even allows to clear the datastore between tests etc. In
any case, try not to overengineer it, keep it as simple as possible.

I hope these thoughts may help you.

Cheers, Remigius.

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[google-appengine] Re: Username Already Exists For Application ID?

[Tomas Alaeus]

This issue have been posted about earlier. If I remember correctly it
is an issue with the dots in your username. When checking for
availability it will only check for perfect matches, that is, no other
app or Google user with that id. The problem is with Gmail who
reserves ids which are very similar (registering iden.tity on Gmail
will reserve identity, 1dentity, iden.t1ty, etc). In your case, your
Gmail username would be "user.name" and thus "username" will be
reserved for you aswell.

Sadly, this reservation will block everyone (including yourself) from
using that identifier for an App Engine application.

On 13 Dec, 06:31, Will Merydith  wrote:
> I went to create an Application with my Google username
> (usern...@gmail.com).
>
> It says the name is available, but then when I click to submit I get
> the message:
> Already Exists
> This application ID or version is already in use.

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