[appengine-java] Blobstore API for FREE applications.

[Anupam]

Hello,

   I am using GWT+GAE(Java). I am using Datastore api's to upload file data 
in csv format to my application. I use blobstoreService.createUploadUrl to 
get a blobstore URL. After I post to this URL(Along with a few of my 
parameters), the server responds with  error 500. The files I am trying to 
upload are extremely small in size.

*Detail response:*
500 Server ErrorError: Server ErrorThe server 
encountered an error and could not complete your request.Please retry 
your last submission.If the problem persists, please contact the 
person responsible for the application you're using, or, if you are that 
person, http://code.google.com/appengine/community.html";>reportyour problem 
and mention this error message and the query that caused it.


The same code works just fine in the development mode. However I get the 
above error after deployment.
After searching on the web for this, I could only hit results which 
suggested that I need to enable billing.

However according to the release docs, 
*Version 1.6.0 - November 7, 2011*
*Blobstore, which was previously limited to apps with billing enabled, is 
now available for all apps.
*
http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes.

My entire application is more or less ready. However this file upload just 
wont work.
Please guide me as to what the issue could be. There is no log produced on 
the server.
Any help would be appreciated.

Thanks,
Anupam

PS- I am sorry I got the tittle wrong in my last post. Cant delete the post 
so re-posting here,

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[appengine-java] Re: AppEngine JVM Memory queries

[Francois Masurel]

I would also like to have more detailled information about memory usage in 
the administration console.

The memory counter keeps increasing constantly for one of my app (vncts1). 
 It looks like I'm being hit by a memory leak.

But when I profile my app locally on the dev server, there is no such 
memory usage increase, it stays quite stable at about 25 MB.

On GAE my app memory usage can go up to 120 MB for my resident instance in 
less than one day.

Any help will be greatly appreciated.

François

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[appengine-java] Re: Datastore indexes

[Jose Montes de Oca]

To delete old indexes, please follow this 
documentation: 
http://code.google.com/appengine/docs/java/tools/uploadinganapp.html#Deleting_Unused_Indexes

Hope this helps!

Jose Montes de Oca

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[appengine-java] Re: Datastore API for free applications.

[Anupam]

An update over my previous post. I have found out that 
the appengine-api-1.0-sdk-1.6.1.jar  that I am uploading with my 
application decides as to which SDK version my application uses. So now 
that I am using 1.6.1 I guess my application is using the correct SDK 
version.
Ref: 
http://code.google.com/appengine/docs/java/runtime.html#Selecting_the_Java_API_Version

Is there anything else I could check ?
Any help or suggestion would be great. ?


Regards,
Anupam

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Re: [appengine-java] Free quota limit for Front end / Back end instance hours

[sundar rajan]

Hi veera,

If billing is enabled in your app settings, then you will be billed for
additional instance hours.

If billing disabled, I have seen app will stop running instance while
exceeding 28 hours.


Please verify http://code.google.com/appengine/docs/billing.html for
additional info.

regards

Sundar


On Thu, Dec 29, 2011 at 2:24 PM, vraa  wrote:

> Hi Folks,
>
> I'm running a Java web application  on
> Google App engine using the 'Free' plan. In the Admin dashboard, I could
> see 'Resource' usage listing:
>
> Frontend instance hours - 28 hours
>
>  Backend  instance hours - 9 hours
>
>
> But I couldn't see any Resource limit for these two resources on the "Free
> Quota " page.
>
> My question, what will happen if my application exceeds the allocated 28
> hours.. Also, how much will it cost per instance hours if I convert my app
> to paid app?
>
> Thanks.
>
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>>>  Sundar <<

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[appengine-java] Re: Datastore API for free applications.

[Anupam]

I am sorry for such a basic question. However if I check appengine-web.xml 
I have not mentioned any SDK version.  I also referred to  
http://code.google.com/appengine/docs/java/config/appconfig.html#About_appengine_web_xml
 and 
it does not mention anything about the SDK version. Please can you guide me 
as to where I could check what version of SDK am I using ? Or where and how 
I could specify my application to use the SDK version I want it to ?

Thanks,
Anupam

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[appengine-java] Re: Datastore API for free applications.

[Simon Knott]

Whilst you don't control the maximum version that GAE supports, it does honour 
whichever version you've specified in your app configuration file.

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[appengine-java] Re: Datastore API for free applications.

[Anupam]

I read about SDK versions on GAE and am concluding that it does not matter 
how I upload my application. I do not control the version of SDK that App 
Engine instance is running. In that case app engine instance must  be 
running the latest SDK and should support the Blobstore Api's for free 
applications as well.

Please give me any guidance as to how I could fix this issue. 

Because the Api works perfectly in the development environment and does not 
produce any log after deployment, I am not able to identify what could 
possibly go wrong.

Should I just try enabling billing ?(That is the only option left) Just 
dint want to waste the 9$.

Regards,
Anupam 
  

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[appengine-java] Free quota limit for Front end / Back end instance hours

[vraa]

Hi Folks,

I'm running a Java web application  on Google 
App engine using the 'Free' plan. In the Admin dashboard, I could see 
'Resource' usage listing:

Frontend instance hours - 28 hours

Backend  instance hours - 9 hours


But I couldn't see any Resource limit for these two resources on the "Free 
Quota " page.

My question, what will happen if my application exceeds the allocated 28 
hours.. Also, how much will it cost per instance hours if I convert my app 
to paid app?

Thanks.

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Re: [appengine-java] Any Alternative for Cron Jobs?

[sundar rajan]

@Marcelo : Agreed

On Thu, Dec 29, 2011 at 5:31 PM, Marcelo Liberato wrote:

> I give up. Can someone set his approval flag to false or is better to
> create a gmail filter?
>  On Dec 29, 2011 9:27 AM, "suresh ashok"  wrote:
>
>> Hi,
>>
>>
>> I am looking for any alternative for Java Cron Jobs because of some
>> issues while using Java Cron Jobs.
>>
>>
>>
>> Regards,
>> Suresh
>>
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>>>  Sundar <<

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Re: [appengine-java] Any Alternative for Cron Jobs?

[Marcelo Liberato]

I give up. Can someone set his approval flag to false or is better to
create a gmail filter?
On Dec 29, 2011 9:27 AM, "suresh ashok"  wrote:

> Hi,
>
>
> I am looking for any alternative for Java Cron Jobs because of some
> issues while using Java Cron Jobs.
>
>
>
> Regards,
> Suresh
>
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[appengine-java] Re: problem with session

[Dick Larsson]

It's easier for us to help you if you provide us with more details
about your problem.
Do you have a mutable object stored as attribute in your HttpSession?
In that case be sure to call setAttribute again if you change the
object.
As long as you have only one server your code will work but in a
clustered environment the HttpSession state replication between
servers do not know that you have changed your object.
So every time you change your object you have stored as attributes in
your HttpSession, you have to "inform" the HttpSession about it by
calling setAttribute.

Hope it helps
Dick Larsson
http://www.amantech.se



On 25 Dec, 00:38, amos bukobza  wrote:
> hii everyone
> today i upload my first app
> (chess game)
> and i have some issue
> i save a session object and its works fine
> but he didnt recognize things
> its feels like the method not worl properly
> but they are in local server
>
> u have any idea?

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[appengine-java] Any Alternative for Cron Jobs?

[suresh ashok]

Hi,


I am looking for any alternative for Java Cron Jobs because of some
issues while using Java Cron Jobs.



Regards,
Suresh

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Re: [appengine-java] gae+gwt xml reading problem

[M.W. Aruna Withanage]

Hi Mat,

Thank you for the reply
Yes my code is working well.
My objective was to upload a sql server table in to the gae datastore .
So made a xml file out of table and uploaded to datastore. It worked fine.
all xml data was uploaded to datastore successfully.

What I want is to create  a gae app with gwt functionality. So i created a
new app and again try to upload the data in the xml file to the datastore.
Thats where I endup in an exception. I already have successfully uploaded
the data in the earlier attempt. So I have two options now.

1. Use the datastore created by my first app and use it in the current app
2. Somehow overcome the exception.

All testing was done in my local app engine.

This is a part of the code
public void onModuleLoad() {
RootPanel rootPanel = RootPanel.get();
...
.
 new com.imcProject.client.uploader.CustomXMLParser().doParsing();

}

This xml parser class worked in a non app engine environment as well. So
there is no problem with the xml parsing class.

Earlier my code was working fine . So please someone help me.

Thank You
Aruna


On 29 December 2011 02:42, Matthew Jaggard  wrote:

> Unless you have this working somewhere else, it's not relevant to this
> group.
>
> Where do you have your code reading XML working already? Local app
> engine? Standard Java app?
> Can you post the code that's failing and any other code that's relevant?
>
> If you can't get this working outside of the App Engine, you'll need
> to get help elsewhere.
>
> Thanks,
> Mat.
>
> On 29 December 2011 10:35, deltaaruna  wrote:
> > Hi all,
> >
> > I tried to read a xml file using an gwt+google app engine app. But I
> > am getting following exceptions
> >
> > No source code is available for type
> > org.xml.sax.helpers.DefaultHandler; did you forget to inherit a
> > required module?
> > No source code is available for type javax.jdo.PersistenceManager; did
> > you forget to inherit a required module?
> > No source code is available for type javax.xml.parsers.SAXParser; did
> > you forget to inherit a required module?
> > No source code is available for type
> > javax.xml.parsers.SAXParserFactory; did you forget to inherit a
> > required module?
> > No source code is available for type java.io.File; did you forget to
> > inherit a required module?
> > No source code is available for type
> > javax.xml.parsers.ParserConfigurationException; did you forget to
> > inherit a required module?
> > No source code is available for type org.xml.sax.SAXException; did you
> > forget to inherit a required module?
> > No source code is available for type org.xml.sax.Attributes; did you
> > forget to inherit a required module?
> >
> > Please someone help me.
> >
> > Thank You
> > Aruna
> >
> > --
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Re: [appengine-java] gae+gwt xml reading problem

[Matthew Jaggard]

Unless you have this working somewhere else, it's not relevant to this group.

Where do you have your code reading XML working already? Local app
engine? Standard Java app?
Can you post the code that's failing and any other code that's relevant?

If you can't get this working outside of the App Engine, you'll need
to get help elsewhere.

Thanks,
Mat.

On 29 December 2011 10:35, deltaaruna  wrote:
> Hi all,
>
> I tried to read a xml file using an gwt+google app engine app. But I
> am getting following exceptions
>
> No source code is available for type
> org.xml.sax.helpers.DefaultHandler; did you forget to inherit a
> required module?
> No source code is available for type javax.jdo.PersistenceManager; did
> you forget to inherit a required module?
> No source code is available for type javax.xml.parsers.SAXParser; did
> you forget to inherit a required module?
> No source code is available for type
> javax.xml.parsers.SAXParserFactory; did you forget to inherit a
> required module?
> No source code is available for type java.io.File; did you forget to
> inherit a required module?
> No source code is available for type
> javax.xml.parsers.ParserConfigurationException; did you forget to
> inherit a required module?
> No source code is available for type org.xml.sax.SAXException; did you
> forget to inherit a required module?
> No source code is available for type org.xml.sax.Attributes; did you
> forget to inherit a required module?
>
> Please someone help me.
>
> Thank You
> Aruna
>
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[appengine-java] gae+gwt xml reading problem

[deltaaruna]

Hi all,

I tried to read a xml file using an gwt+google app engine app. But I
am getting following exceptions

No source code is available for type
org.xml.sax.helpers.DefaultHandler; did you forget to inherit a
required module?
No source code is available for type javax.jdo.PersistenceManager; did
you forget to inherit a required module?
No source code is available for type javax.xml.parsers.SAXParser; did
you forget to inherit a required module?
No source code is available for type
javax.xml.parsers.SAXParserFactory; did you forget to inherit a
required module?
No source code is available for type java.io.File; did you forget to
inherit a required module?
No source code is available for type
javax.xml.parsers.ParserConfigurationException; did you forget to
inherit a required module?
No source code is available for type org.xml.sax.SAXException; did you
forget to inherit a required module?
No source code is available for type org.xml.sax.Attributes; did you
forget to inherit a required module?

Please someone help me.

Thank You
Aruna

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[appengine-java] Re: Datastore API for free applications.

[Anupam]

I am developing against 1.6.0 . 

I had earlier deployed the application with an older SDK. I had then 
deployed a new version of my application with SDK 1.6.0.
I then set my this new version as my default. I hope the SDK version would 
get updated with my application after a fresh a deployment.

There are no server logs.

Thanks,
Anupam.

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[appengine-java] Re: Any inputs for How to use the DataStore for Java?

[Simon Knott]

Suresh, 

Based on your previous comments about web services and also this one, 
you're either incredibly lazy or are simply a very junior developer and 
completely lost.  The very first demo application on that link has an 
example of using JDO with GAE, and many of the other apps have some example 
of using JDO.  Please put a little bit of effort into searching for info! 
 In 2 seconds I pulled up a list of links with other sample apps using 
Objectify - 
http://code.google.com/p/objectify-appengine/wiki/BestPractices#Interesting_discussions_related_to_Objectify

Cheers,
Simon

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[appengine-java] Re: Datastore API for free applications.

[Simon Knott]

Which SDK are you developing against - are you actually developing against 
1.6+?  Do you get any error in your server logs?

Cheers,
Simon

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[appengine-java] Re: Any Hands-on Sample for CRON-jobs ?

[suresh ashok]

Is this works well in local server, ie is it read the cron.xml
locally??

On Dec 29, 2:35 pm, Carter Maslan  wrote:
> you write a java sevlet that handles the url specified by each cron entry in 
> cron.xml.
>
> On Dec 29, 2011, at 1:02 AM, suresh ashok  wrote:
>
>
>
> > Hi Carter,
>
> > i had gone through the URL given but how it is used in java. Is
> > just .xml files are fair enough to use Cron jobs.
>
> > Regards,
> > suresh
>
> > On Dec 29, 1:05 pm, Carter Maslan  wrote:
> >> Yes we use it, if this is what you 
> >> mean:http://code.google.com/appengine/docs/java/config/cron.html?
>
> >> On Wed, Dec 28, 2011 at 10:16 PM, suresh ashok  
> >> wrote:
> >>> Hi,
>
> >>> Did anyone used the  CRON-jobs in Java.
>
> >>> Regards,
> >>> Suresh
>
> >>> --
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> >>>text -
>
> >> - Show quoted text -
>
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Re: [appengine-java] Re: Any Hands-on Sample for CRON-jobs ?

[Carter Maslan]

you write a java sevlet that handles the url specified by each cron entry in 
cron.xml.



On Dec 29, 2011, at 1:02 AM, suresh ashok  wrote:

> Hi Carter,
> 
> i had gone through the URL given but how it is used in java. Is
> just .xml files are fair enough to use Cron jobs.
> 
> 
> Regards,
> suresh
> 
> On Dec 29, 1:05 pm, Carter Maslan  wrote:
>> Yes we use it, if this is what you 
>> mean:http://code.google.com/appengine/docs/java/config/cron.html?
>> 
>> 
>> 
>> On Wed, Dec 28, 2011 at 10:16 PM, suresh ashok  wrote:
>>> Hi,
>> 
>>> Did anyone used the  CRON-jobs in Java.
>> 
>>> Regards,
>>> Suresh
>> 
>>> --
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>>> text -
>> 
>> - Show quoted text -
> 
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[appengine-java] Re: Any Hands-on Sample for CRON-jobs ?

[suresh ashok]

Hi Carter,

 i had gone through the URL given but how it is used in java. Is
just .xml files are fair enough to use Cron jobs.


Regards,
suresh

On Dec 29, 1:05 pm, Carter Maslan  wrote:
> Yes we use it, if this is what you 
> mean:http://code.google.com/appengine/docs/java/config/cron.html?
>
>
>
> On Wed, Dec 28, 2011 at 10:16 PM, suresh ashok  wrote:
> > Hi,
>
> > Did anyone used the  CRON-jobs in Java.
>
> > Regards,
> > Suresh
>
> > --
> > 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-java@googlegroups.com.
> > To unsubscribe from this group, send email to
> > google-appengine-java+unsubscr...@googlegroups.com.
> > For more options, visit this group at
> >http://groups.google.com/group/google-appengine-java?hl=en.- Hide quoted 
> >text -
>
> - Show quoted text -

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[appengine-java] Re: Any Hands-on Sample for CRON-jobs ?

[suresh ashok]

I just want to

- collecting data from a remote source and caching it locally and
retreive it later

Rgds,
Suresh



On Dec 29, 1:05 pm, Carter Maslan  wrote:
> Yes we use it, if this is what you 
> mean:http://code.google.com/appengine/docs/java/config/cron.html?
>
>
>
> On Wed, Dec 28, 2011 at 10:16 PM, suresh ashok  wrote:
> > Hi,
>
> > Did anyone used the  CRON-jobs in Java.
>
> > Regards,
> > Suresh
>
> > --
> > 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-java@googlegroups.com.
> > To unsubscribe from this group, send email to
> > google-appengine-java+unsubscr...@googlegroups.com.
> > For more options, visit this group at
> >http://groups.google.com/group/google-appengine-java?hl=en.- Hide quoted 
> >text -
>
> - Show quoted text -

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Re: [appengine-java] Any Hands-on Sample for CRON-jobs ?

[Carter Maslan]

Yes we use it, if this is what you mean:
http://code.google.com/appengine/docs/java/config/cron.html ?


On Wed, Dec 28, 2011 at 10:16 PM, suresh ashok  wrote:

> Hi,
>
> Did anyone used the  CRON-jobs in Java.
>
>
> Regards,
> Suresh
>
> --
> You received this message because you are subscribed to the Google Groups
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> For more options, visit this group at
> http://groups.google.com/group/google-appengine-java?hl=en.
>
>

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