On Tue, Mar 9, 2010 at 8:47 PM, John Patterson jdpatter...@gmail.com wrote:
For the sake of comparison, see below for the Twig equivalent
class UserSkill {
�...@parent User user;
String skill
int ability;
}
Note that no key is required and user is referenced directly
This is silly, but yesterday night it worked!
My app runs a cron job everyday at 2am my time (8:00 GMT). Often the
job fails because of a timeout. You know, those timeouts one gets
because the virtual server won't start.
Then I tried this silly solution. I run 5 dummy jobs 5, 4, 3, 2 and 1
OK, filled this here:
* http://code.google.com/p/googleappengine/issues/detail?id=2943
On Mar 9, 8:21 pm, Don Schwarz schwa...@google.com wrote:
No, at the moment we specifically disable jetty-web.xml for security
purposes. Feel free to file a feature request in our issue tracker asking
us to
anyone...?
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Actually this is the one and single thing that makes my GAE experience
kind of bittersweet. I am still recommending the platform to friends
and colleagues, but mentioning the cold start problem up front.
Setting this feature/bug to high priority would be most welcome. I
think this is the most
I have defined a class :
import javax.jdo.annotations.IdentityType;
import javax.jdo.annotations.PersistenceCapable;
import javax.jdo.annotations.Persistent;
import javax.jdo.annotations.PrimaryKey;
@SuppressWarnings(serial)
@PersistenceCapable(identityType = IdentityType.APPLICATION,
Hi Jeff, some of your concerns would have been valid with the pre-
release versions but not with the final release 1.0 of Twig. See
below for explanations
On 10 Mar 2010, at 16:14, Jeff Schnitzer wrote:
On Tue, Mar 9, 2010 at 8:47 PM, John Patterson
jdpatter...@gmail.com wrote:
For the
Hi,
I have designed my app to keep data (within servlet env.) for all previous
requests. For each request it will first search the data in servlet env.
store, if it doesn't find the data here it will fetch data from datastore
and append the same to servlet env. store. So, if the same servlet
Most interesting:
- How to deploy the app? Restrict to a target domain or not?
- How to integrate Step2 to retrieve user information
- How to use 2-legged OAuth in conjunction with Step2/App Marketplace
Any ideas?
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You should use memcache instead of your servlet env. The memcache service
will evict values if you run out of memory.
2010/3/10 Prashant Gupta nextprash...@gmail.com
Hi,
I have designed my app to keep data (within servlet env.) for all previous
requests. For each request it will first
yes, you are right.
But, in my case, suppose each request requires 100 entities to be fetched
and for any two requests say 90-95 entities are common. So, if I use only
memcache for caching, 100 memcache fetch will be required per request. Or,
if I keep the data in servlet env. for each req., 10-0
If yes, I can sit down and wait. If not, I have to keep on my fight
with getting Step2 running on App Engine...
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Thanks Don for clarification.
100MB seems sufficient for me. Please suggest me a library for LRU caching
implementation.
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Primefaces (combined with JSF2.0) is also working here
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Hi,
I have 2 persistent classes:
1. class A that has a primary key (Long) and a property called
name (String).
2. class B that is referencing class A (one to many relationship, each
B has one A, but A can belong to many B's)
I need to retrieve the B's sorted by the name property of A. In
other
Hi all,
I'm in the process of porting a small java webapp to GAE and I've
encountered an issue around my use of JasperReports.
I've solved (I think) the original issue I had of how to get the data
into the report by passing a collection of JavaBeans rather than a
JDBC connection.
However I'm
Hi All,
Can you tell me where can specify my log file in my new Google Web
App.
Is it Log4j.properties file or logging.properties file? and also tell
me how can i make to work?
Thanks in advance.
- MallikarjunBK
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I too would like to be able to use Java to upload data to the
datastore, either from a file or from a jdbc connection. Any
development on providing us with some sample code for the
RemoteApiServlet while creating the docs?
On Feb 24, 7:37 pm, Ikai L (Google) ika...@google.com wrote:
You should
Hi Nacho,
I agree with you. GAE is great in many aspects. The cold-start/timeout
issue is probably my only concern, too. But the sad thing is that is
an absolute killer. Slow response times are a bad thing, but aborting
cron jobs because of virtual server start issues is unacceptable, at
least in
Hi,
I am trying to store two dimensional string array in google data
store. I was getting an exception saying this data type not supported.
I tried changing the string array object to java.util.arraylist (gave
serizable = 'true' option). This time I was able to write the data
successfully. But
Hi Nacho,
I agree with you. GAE is great in many aspects. The cold-start/timeout
issue is probably my only concern, too. But the sad thing is that is
an absolute killer. Slow response times are a bad thing, but
exceptions in the cron jobs because of virtual server start issues is
unacceptable, at
My question says it all.
I would love to leverage the centralized structure of the marketplace
and the enhanced user trust that it brings with my app, but what I am
working on is targeted at general consumers, not the enterprise
sector... Why not make something like the marketplace for the
I have the following datastructure:
Users are the root entities, and each user can have one or more
decks, and each deck can have one or more cards.
When a user wants to add a deck, I would like to be able to add the
deck to the user's collection of decks without first fetching all of
the user's
I tell people to give appengine a try if they're using Python, but
that Java support isn't mature enough yet (for exactly this reason). I
also get the impression that Java start up times are getting slower,
or at least more varied; though I haven't been keeping stats over
time.
I'm sure google
The datastore latency graph is still broken (URI too long for Google
Charts):
http://code.google.com/status/appengine/detail/datastore/2010/03/10#ae-trust-detail-datastore-query-latency
In the periods when it works, it reports query latencies sometimes
over one second. The graph is usually
The way I understand it, if an object can be owned by more than one
object it must be unowned. I would assume that cards can be in
multiple decks so they must be unowned. I would assume each deck
would belong to one user so decks could be owned. I don't know a good
way to store cards that can
Can you send me your application id, please?
On Tue, Mar 9, 2010 at 10:48 AM, rmurta rmu...@gmail.com wrote:
My application uses Stripes and Freemarker. I am already using the
freemarker jar version build to gae.
Application is working fine in the test GAE Server in my local but
when I
On Wed, Mar 10, 2010 at 6:14 AM, John Patterson jdpatter...@gmail.com wrote:
No that is incorrect. You actually have very fine control over what is
loaded and when using activation [1]
Ah, this Activation annotation does help out. But it still leaves
edge cases (read on).
I also don't think
Instead of
@PrimaryKey
private String key;
have you tried
@PrimaryKey
@Persistent
private String key;
?
Since I use keys as encoded strings (instead of unencoded string
keys), I personally use
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
To pick one at random:
http://commons.apache.org/collections/apidocs/org/apache/commons/collections/map/LRUMap.html
On Wed, Mar 10, 2010 at 11:08 AM, Prashant Gupta nextprash...@gmail.comwrote:
Thanks Don for clarification.
100MB seems sufficient for me. Please suggest me a library for LRU
I use both files, located in:
war\WEB-INF\classes\log4j.properties
war\WEB-INF\classes\logging.properties
In my appengine-web.xml file, I have the following extract for you:
?xml version=1.0 encoding=UTF-8?
appengine-web-app xmlns=http://appengine.google.com/ns/1.0;
Where does Google store the logs when you do a Logging statement?
Logging statements seem to be pretty fast, so it doesn't seem like
they are stored in the datastore.
How reliable are the logs? If I do a logging statement and it
succeeds, is it pretty much guaranteed that it will show up in the
Actually cards can only be owned by one deck... so that's not a
problem. Deck--1...0toN--card.
The thing that I am looking for is a way to add new cards without
loading a deck's entire card collection, and to add decks without
loading a User's entire deck collection.
On Mar 10, 9:15 pm,
Hello,
I Got a problem when quering data with the key fileName . The error
is below :
com.google.appengine.api.datastore.DatastoreNeedIndexException: no
matching index found..
datastore-index kind=Picture ancestor=false source=manual
property name=__key__ direction=desc/
Hello,
I think google log are stored in file.
My experience about log reliability is that when the app is very
strong working, not all the log are stored.
It's confusing, but i can't not explain it.
Bye
On 10 mar, 22:04, Spines kwste...@gmail.com wrote:
Where does Google store the logs when you
Are you talking about request logs or diagnostic logs? Although we conflate
them a bit in both the Admin Console viewer and the appcfg command, but they
are stored and tracked separately.
On Wed, Mar 10, 2010 at 4:01 PM, Spines kwste...@gmail.com wrote:
Hmm, that is my biggest concern, log
Like many, I'm anxious to learn more. I just deployed my first app
today and while the load is light (just me), it's a giant usability
issue to have to wait 6s for spinup if (god forbid) I stop to read a
page for more than 60s or so. I'm not using any frameworks, so this
is just VM and JDO
Exactly, CardList is potentially very large and I want to avoid having
to load it just to add the cardreference.
On Mar 10, 10:43 pm, WillSpecht willspe...@gmail.com wrote:
So if you have a reference to a new card and do
cardList.add(cardRefference)
all you are loading into memory is the
I am able to get it to work. Followed the same tutorial on
Pages section of this forum. Here is what I had to modify
1. Set devMode to False.
2. add an applicationlistener with set OgnlRunTime.setSecurityManager
to null.
Deepam
On Mar 7, 2:52 pm, Deepam Tiwan deepamti...@gmail.com wrote:
Hi
I have found why i'm wrong...finally...
On Mar 11, 1:06 pm, Jolam j.jo...@gmail.com wrote:
to Ian Marshall:
I have changed the class to two form as u mentioned, but it did't
work...
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Instead of
@PrimaryKey
private String key;
have you tried
@PrimaryKey
@Persistent
private String key;
A String field/method doesn't even need @Persistent. All basic types
are by default persistent, as per the JDO spec (unlike in the GAE/J
docs).
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