Hi,
I want to write some output to a text file on server side and I don't
think database (JDO) is necessary for my application. Is there any way
to do that? Because google engine does not support the standard java I/
O, i.e. PrintWriter.
Thanks
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You received this message because you are
Is it related to ur FIle Upload. are you trying to upload a file???
There is some config you wil have to take care for upload
functionality of Strut2 and GAE .
Check this link, hope it might be of some help
http://whyjava.wordpress.com/2009/10/04/file-upload-on-google-app-engine-using-struts2/
Thanks. I've tried it but it is pretty slow if I have to control it
this way.
The problem I met is when I create an object and its ID is, say 1, if
I run my application again, the ID becomes 2.
How can I let my application have refreshed new database everytime?
Because if it keeps adding the
Ignoring the GAE-side of the question, how are you planning on
handling people who are behind proxies and routers? Multiple people
will all look like they are coming from the same IP address - maybe
this isn't an issue for you!
From a GAE perspective you might want to do some reading around
You probably want to have a read of the following FAQ -
http://code.google.com/appengine/kb/java.html#What_Is_A_Loading_Request
On Jun 29, 4:13 am, opok vir...@gmail.com wrote:
Error Message: This request caused a new process to be started for
your application, and thus caused your application
Hi Lu,
One way is for your app to create a task on the task queue at start-
up. This task can iterate through your existing document instances in
the datastore and delete them. (For robustness, you could fetch a few
instances only, and if more exist then get the task to create a new
task to
Hi Lu,
One cannot write to file server-side using GAE/J! For guaranteed
server-side persistence, one must use the Google BigTable datastore.
If you want, you could write to log, and then extract log entries to
your local PC using the relevant GAE/J tool, but I personally would
not want to use
Hey,
Actually, what you probably want to do is star this issue:
http://code.google.com/p/googleappengine/issues/detail?id=2931
It's been happening for awhile now, but generally only to low-traffic
users, so it hasn't gotten much attention. Creeping up in the list,
though!
Jake
On Jun 29, 4:44
OK, I did that.
But is there any workaround or some other way to avoid this, I am sure
that my app is run with low resource requirement, it indeed have no
reason to restart, but currently it restarts almost in every incoming
request!
On 6月29日, 下午8时05分, Jake jbrooko...@cast.org wrote:
Hey,
There is no real workaround, since they are cycling your application
out since it's getting such low traffic as explained in the FAQ.
The best you can do is minimise the loading time, by removing
dependencies on complicated frameworks and using lazy initialisation.
As soon as your application
Yes, thanks. That's cool.
But why the key will keep incrementing by 1?
If modifying this link https://appengine.google.com/dashboard?app_id=yourappid,
I can delete the entities manually.
It seems like the data shown in 'datastore viewer' is inconsistent
with the data shown under the runtime
(Of course, all this discussion is about the datastore in the GAE
cloud, not a local one kept by the dev app server.)
But why the key will keep incrementing by 1?
This depends on how you have defined your persistent entity class. I
have no preference
You can use Jrebel with GAE:
http://www.zeroturnaround.com/jrebel/
You will have to combine both instrumentation agents in the launcher,
but it works fine.
On Jun 27, 6:22 pm, Rob Roland rob.rol...@gmail.com wrote:
Hi all,
If you've used Jetty via Maven before, you've probably used the reload
Just to Add to Arian's post. I has all sorts of trouble installing the
new plugin for eclipse Helios. I did it through the update site and
the marketplace says it's installed, but i don't have any of the
google options i'm used to.
If this helps - i tried this with Eclipse Helios EE x64 and x86,
This is really one of the core problems why you cannot use GAE for
anything serious. Even if you get enough traffic, some users suffer
from instance recycling every second (read the comments at the issue).
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It's funny, i can't think of a better way to stop the abuse but i can
think of a 100 ways to abuse it. I hate getting stuck in one of those
spy vs spy - measure vs counter measure situations so i'm sympathetic
to the challenge.
Maybe you could randomly redirect a user to one of those prove your
Before I describe my question let me briefly introduce my environment.
I use Windows XP, Chrome, and Apache Ant. This is what happened:
Everything went pretty well. I had my first hello world response as
expected. Then I met a problem I don't know how or why it happens. In
a step this tutorial
First off, BEST. SUBJECT. EVER.
Can you see if the server was actually killed in the process manager? You
shouldn't be able to rebuild the project since there will be a port
conflict, but it's worth looking at.
Also, is there a reason you're using Ant and not the Eclipse plugin? That
could make
Benjamin and Arian,
Your issues sound very similar to
http://code.google.com/p/google-web-toolkit/issues/detail?id=4168 , could
you try running as Administrator to see if the issue disappears?
jason
On Tue, Jun 29, 2010 at 12:27 AM, Benjamin bsaut...@gmail.com wrote:
Just to Add to Arian's
The bulk loader does indeed provide backup and restore functionality
today. While the implementation is in Python it can talk to your Java
server and the entities are shared between Java and Python.
On Jun 28, 4:46 pm, mscwd01 mscw...@gmail.com wrote:
Thanks for your replying guys, it would be
I'd love to see Max Ross continue on these posts. I've burned about 4
hrs now trying to get JDO owned, bidirectional relationships working.
It seems like every issue I fix, another pops up. Whack a mole...
I'm experiencing everything from:
- Child entities persisting, but not subsequently
When I tried installing from the Marketplace on Eclipse Helios EE x64
for Mac OS X, Eclipse crashed each time it would start up (right when
it tried to load the GEP). I had to manually remove the plugin to get
Eclipse to start up. After uninstalling (it was already gone) the
Marketplace version, I
Could you please look into my request, where Ikai Lan asked me to
provide XML files
which are as follows
Thanks
Nick
On Jun 17, 10:59 pm, Nick lgfr...@gmail.com wrote:
Hi,
Thanks for your reply.
Please note web.xlm as follows
?xml version=1.0 encoding=utf-8?
web-app
I think this is more supportive of not being able to use GAE for
anything casual :) Serious applications don't seem to suffer from
this problem.
Jake
On Jun 29, 9:28 am, Max max.at.xam...@gmail.com wrote:
This is really one of the core problems why you cannot use GAE for
anything serious.
Here:
http://code.google.com/p/fulltext-search-in-objectify/
i made a port from a jdo to objectify for full text search, it is a start,
but look in objectify page and group for best practices
NM
On Mon, Jun 28, 2010 at 3:19 PM, Ikai L (Google) ika...@google.com wrote:
You might also want to
I mean everytime my application will create an object so the id will
keep increasing. In datastore viewer, I can delete them manually so
this causes the difference in the two locations. I think you've
answered that the local dev app server is different.
Thanks very much
On Jun 30, 1:15 am, Ian
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