Though not w.r.t GAE perspective, one problem i have experienced with jFree
chart is their heavy memory usage when creating complex charts (due to its
dependency on AWT). Perhaps its time to develop a better java charting API.
The architecture and cloud approach of Amazon Ec2 and GAE are completel
GAE does not allow writing to a file or spanning threads. Its mentioned in
the documentation.
Thanks
hari
On Mon, Jun 21, 2010 at 5:22 PM, Lu wrote:
> Hi,
>
> I am trying to use FileOutputStream to print out results into a file,
> but it is not supported by google app engine.
>
> If I want to t
Hi,
As per documentation, JDO does not support join queries over parent and
child entities(tables) in datastore. Are there any work arounds to achieve
the same? Is this possible with JPA?
Thanks
Hariharan
http://harianantha.in
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Hi ed,
Hope you have taken care of txn management mentioned in the docs as well. If
u can send dto and the code used to insert or get, that would be great.
Atleast for a beginers perspective, I found the documentation in gae
sufficient for my needs.
~hari
On Jun 23, 2010 12:17 PM, "Ed" wrote:
Hi ram,
What is the fully constructed url the form isgetting submitted to(onsubmit
goto a javascript function?there alert the url for debugging and then
submit). In the form action tag, try giving the path to "./ServletCheck".
Prefixing with "." Tries to look for resource in the same context.
Tha
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blog <http://www.harianantha.in/>
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Hi Marthen,
I too faced similar problem. That time my data objects were in a java
project while my jdo-config was in a web project( web project in-turn had
project reference to this java project). The java project had app-engine
jar's in its class path, but still enhancement did not happen when t
Hi,
I am using Appengine SDK 1.3.5 and Eclipse Ganymede version Version: 3.4.1.
I am able to run my application in local server with
*sessions-enabled *set as True. But with this setting, i am unable to
deploy to google app engine(in eclipse select project-->Right
click-->google-->Deploy to app
In my application, instead of flatfile, i used XML to have the key and value
(again these entries are used for drop down) and i read the values using
xPath api's. Given that the country list is static as said before, i guess
it should be work fine.
Thanks
Hari
2010/7/10 cscsaba
> Hello,
>
> I
Even i was having the single instance of PersistenceManager in my
application. I too had the code similar to the above mentioned way.
In some perspective, the PersistenceManager can be considered similar to
JDBC connection. So by basic programming concepts, i ended up creating only
one(or perhaps
case or the answer is trivial for others.
>
>
> On júl. 11, 06:30, Hariharan Anantharaman
> wrote:
> > In my application, instead of flatfile, i used XML to have the key and
> value
> > (again these entries are used for drop down) and i read the values using
> > xPa
Hi Lisan,
In the Torneo class, i am not seeing "mappedBy" attribute for @persistent
tage for field
private List equiposTorneo;
That is required to make this a owned one-many collection. Only then it
might be possible to get collection of Equipo when retrieving Torneo .
Thanks
Hari
2010/7/
As long as the objects are serializable, I believe we can store them in
jcache.
~hari
On Jul 19, 2010 9:15 AM, "pdias" wrote:
Is possible to save object instances using JCache?
I have tried and received the following message:
javax.servlet.ServletException: java.lang.IllegalArgumentException:
Where do u commit the transaction? I hope it is not after saving of A. Could
you confirm if B and A are persisted and committed seperately and
independent of each other.
Thanks
Hari
On Jul 19, 2010 9:15 AM, "pbadn" wrote:
I am having a problem that is confusing me.
I have two entities, A and B
>From your eclipse itself(having an older version of gae), you can update to
latest version by using software updates option in elclipse.
Thanks
Hari
On Jul 19, 2010 9:39 PM, "Navaneeth Krishnan"
wrote:
I tried out the latest version of the eclipse plugin for GAE
http://code.google.com/appengi
Hi,
Perhaps not directly related to your question. But java.util.Date is mostly
deprecated and it is advised to use Calendar API. I believe that is
synchronized.
Thanks
Hari
2010/7/22 Ikai L (Google)
> It should just be whatever the date is on the current instance. In general,
> do not ever r
Hi,
Try using the method makePersistentAll. I too faced similar issue and using
the all method worked fine.
~hari
On Jul 31, 2010 6:07 AM, "Art" wrote:
Dear group,
I would like to know the reason why child value won't be stored when
it's persisted directly by referring as a element of list fie
When i tried using session.Invalidate method, during logout, the logout time
increased and the cpu consumption by logout was also high. I could not find
reason behind it.
Thanks
Hari
2010/8/6 Ice13ill
> This is more of a java servlet/session question, but it's also
> referring AppEngine's user
I can help in publishing in Tamil.
தமிழ் - tamil
Thanks
Hari
2010/8/5 ale
> Hi everybody,
>
> I'm finishing to develop a web application with GWT + GAE, and I want
> to publish in multiple languages.
>
> The application is about sport, and the message file is about 400
> lines mostly consist of
Hi,
Check if you java jre path and app engine sdk path are correct in eclipse.
~hari
On Aug 23, 2010 10:02 PM, "TacB0sS" wrote:
Hey, I have tried to install the App Engine with both Eclipse 3.5 and
3.6, I've tried to download the EclipseEE + the plugins I wanted,
which included the GWT 2.0.4 a
Hi,
Are you planning to have all users authenticated only using google accounts?
If so, you can see if you can use google calendar. Just a thought. That
might help you to acheieve few things out of box.
~hari
On Sep 9, 2010 4:56 AM, "Marco Alves" wrote:
Hi Didier. Thanks for your input.
I was
Strange.
I remember reading that JDO does lazy loading. That means unless you access
the same, the object data is not physically loaded. But isn't set enabled
means accessing the object?
~hari
On Sep 30, 2010 2:17 AM, "Chris" wrote:
Hello.
I have a strange issue where I occasionally fail to u
Hi,
I have encountered similar error using JDO long time back. I firmly believe
that if you use @ManyToOne or something it means a relationship amongst
them.
Though I don't remember exactly what I did ,Coupleof observations
1. In the rating class. Add annotation of rederenced by attribute in
annot
ouraging endeavor, so far.
Thanks for the feedback,
Dave
On 10/04/2010 11:56 PM, Hariharan Anantharaman wrote: > > Hi, > I have
encountered similar error ...
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Hi,
I have used xpath for xml processing in GAE and it worked well.
Once you know how to query ,it works well. I guess it uses sax parsers.
Thanks
Hari
On Dec 21, 2010 3:37 PM, "androidDeveloper"
wrote:
Hi all,
I need to parse large xml files. My first try was using JAXB. It works
ok for small
Hi,
In my app I have approached this problem in a different way without using
filters.
1)I have a login servlet which checks for login and forwards to login page
if user is not logged in. If the user is logged in ,it redirects to first
page of app(different from index.html)
2)the index.html in my
Hi,
True.
But In my app(www.book-a-friend.appspot.com), all my JSP pages are inside
web-inf folder. So it might not be accessed directly as a file,but rather
can be served only by servlets.
Thanks
Hari
On Feb 11, 2011 1:07 AM, "Sekhar Ravinutala" wrote:
Thanks Hari. If I understand you correctl
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