> When you're searching, you can specify a tag by putting it in square
> brackets. E.g. if you search for:
> [google-app-engine] [java] spring
> this will retrieve questions tagged with [google-app-engine] and [java], and
> containing 'spring'.
Thanks Amy,
It's weird. Here's what worked.
[goog
> Search for "google-app-engine java".
I still don't get it.
searching pulls up results that are seemingly unordered by time
using a Stack Overflow filter (to notify by email or display current
results) doesn't find "java" related posts.
YUCK.
It'd be nice to be able to just follow the java ver
> Questions tagged with 'google-app-engine':
> http://stackoverflow.com/questions/tagged/google-app-engine
I don't understand how to get java specific questions. It's not
useful and a huge waste of time to have to sort through the python
stuff for me. This sucks and it seems like google is los
> We have two Business application running on AppEngine one of which we have
> upgraded into HRD instance a couple of months before and other one was
> upgraded into HRD instance a week before.Everything was working fine on them
> but from past few days(after Friday) no mail is sending from these
>
> I guess what I want to have is some kind of check and lock. My
> question is how to implement an "efficient" lock on a distributed
> environment like GAE. Transactions? Or better using memcache?
>
>
> Is there a best practise how to implement that?
I'm not saying this is best practice but just t
> We think we know what's happening. This is something that is happening at
> app upload time. Can you try setting a new version name for your app, then
> passing the --no_batch option when using appcfg.sh?
>
> appcfg.sh --no_batch update [YOUR_WAR_DIRECTORY]
Seems to solve it. I can't reproduce
> If someone has a deterministically reproducible case that you can share with
> us (project files and everything), it'd be very helpful for us to nail this
> bug. We aren't able to do this with our test apps (big apps, small apps).
> There's got to be some parameter that's different in your apps.
> I am getting this error "java.lang.NoClassDefFoundError:
> java.lang.management.ManagementFactory is a restricted class."
Have you looked at http://code.google.com/appengine/docs/java/jrewhitelist.html
Shawn
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> Is this the right way to get appengine logs in utf-8?
> I tried downloading them but ... the file itself was not written as utf-8.
>
> So I'm wondering about setting this in appengine-web.xml:
>
>
>
> value="WEB-INF/logging.properties" />
>
>
>
D
Is this the right way to get appengine logs in utf-8?
I tried downloading them but ... the file itself was not written as utf-8.
So I'm wondering about setting this in appengine-web.xml:
Anyone know?
Shawn
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Hi,
> It is possible to have the iPhone remember a web page to make it look like
> an App. To do this you need to specify a manifest file to tell the iPhone
> what to cache.
I think you are talking about html5 offline support -no?
Works with 'droid too right?
> The .manifest file must have a hea
Hello,
I consistently get:
Unable to update:
java.io.IOException: Error posting to URL:
https://appengine.google.com/api/appversion/clonefiles?app_id=fluency-up&version=428&;
500 Internal Server Error
On a related note, are uploads to appengine (meaning deploying) very
slow. I was averaging aro
Hi,
> http://code.google.com/p/googleappengine/wiki/WillItPlayInJava
> I saw that DWR works on GAE. But whezn I do my test, I've this error:
This lists Version(s) 2.0.5, 3.0 RC1 as COMPATIBLE
I don't know all the details of 2.0.5 but 3.0RC1 creates threads to do
session cleanup and that will
> I'm running eclipse in snow leopard all was working until the last OS
> upgrade,
maybe you should see
http://code.google.com/p/googleappengine/issues/detail?id=4712
Shawn
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Hi,
> Do you have the contact information for the Apple Engineer?
He's contacted you, Toby, off list now. I got cc'd on the mail.
Let me know if for some reason you didn't get it.
Shawn
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> Just found another thread about this error which seems to have solution for
> this problem (I haven't tried it yet):
> http://code.google.com/intl/de-DE/appengine/forum/java-forum.html?place=topic%2Fgoogle-appengine-java%2FWiImnzVb9Fo%2Fdiscussion
> I suggest we continue over there.
Yeah to fix
Hi,
I used the open-jdk workaround to solve the problems introduced by the
latest apple java sdk update but have a question an Apple engineer
asked me about the following:
http://code.google.com/p/googleappengine/issues/detail?id=4712
http://code.google.com/p/google-web-toolkit/issues/detail?id=6
> Why use the JDO/JPA?
You don't need to use those.
For appengine you need to use BigTable.
JDO/JPA is one way to use BigTable.
There are others (that are easier to use but may not have the same portability):
http://code.google.com/p/objectify-appengine/
http://sites.google.com/site/slim3appe
> how can i fix this annoying error ?
"web-resource-name}' is expected."
see the top link in the following search and just add a web-resource-name
http://docs.sun.com/app/docs/doc/819-3669/bncbk?a=view
Shawn
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> I'm just here because i feel i need to rant a little. I came here expecting
> way too much.
Been there with JDO -- the docs are not adequate.
I don't know your exact requirements but I suspect you'll find many on
this list who found objectify to be the "simplest convenient interface
to the Goog
> Motivation: I am at the early stages of implementing a web app on GAE
> using Java, but if I need to switch to Python, I shouldn't delay it
> any more.
> Anyway, what do you guys think?
IANAL but you asked so here goes. I think you are fine using java on GAE.
My guess is that since appengine
>
> I tried it but a call via http is still possible and wil not be
> automatically redirected to the https protocol.
Are you using *.appspot.com? It doesn't work for a custom domain, does it?
>Also Eclipse doesn't
> like the in and marks it as
> error.
adding asdf resolved that for me
>
Hi,
About storage costs,
If I have say 25 GB in storage,
is this right -- 25 GB X $0.15/month = $3.75/month???
The docs here say:
http://code.google.com/appengine/docs/billing.html#Billable_Quota_Unit_Cost
Stored Data gigabytes per month $0.15
Other quotas are on a daily basis so I'm a
Hi,
**[safari plugin seems broken]**
In Dev mode when accessing my page, I immdiately see
[The HTML that caused this error was generated by a script.]
Unmatched encountered. Ignoring tag.
Then inexplicably, I see .gif files not being resolved. They are
there when deployed and I can actuall
> What happens if between logged in user navigates to another page and
> the GAE instance was shutdown?
> I understand a new instance is started but what happened to the
> session data?
AFAIK session data is persisted to big table.
> Also, how is startup/shutdown of instances related to session-t
> Why can't a filter start a session?
> this.getThreadLocalRequest().getSession(); will find a session created
> by a filter via request.getSession(true);
> but request.getSession(true); doesn't seem so send a cookie to the client.
>
> I really can't understand this. Help please
It looks lik
>
>> What's the usage for in-memory caching via stick-cache?
>
> It now supports bulk gets for all caches - i.e. memcache and datastore using
> their respective bulk get methods
Aaah, stick-cache has dependencies on twig and
http://code.google.com/p/guava-libraries/
The utilities from twig can be
Maybe this should be a gwt question.
I was thinking getThreadLocalRequest().getSession() was appengine
related but maybe that's not the case.
Shawn
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Hello,
A call to my app invokes a filter which starts a session via
request.getSession(true);
here is the id: czbgfo2bp5vs
Then it proceeds to serve a non-static page, but the client shows no
JSESSION id.
Then the client make an rpc call which again generates a new session
via the filter.
id:
Hi,
> Please read the second paragraph of:
> http://code.google.com/appengine/docs/java/gettingstarted/staticfiles.html
> You'll need to exclude your files from in appengine-web.xml
> if you are relying on a custom filter for authentication purposes.
Thanks.
IMHO it should be documented here
h
Hi,
I have a filter set for all requests. Yet the first request to GAE
seems to bypass the filter. Why/How could that be?
I do have a welcome file set
MyAppGAE.html
but shouldn't that get called by the following filter
AuthenticationFilter
/*
Using a url like (running lo
Hi John,
> There is also a CompositeCache class that allows you to layer the caches so
> that it first checks in-memory, then memcache , then the datastore. Puts go
> to all levels and cache hits refresh the higher levels. e.g. if an item is
> not in-memory and has been flushed from memcache bu
> This is strange. SSL connects on port 443, not port 80. Point your browser
> here:
> https://ikai-openid-demo.appspot.com:443
no go under osx:
Firefox and Chrome : immediately redirect to
https://ikai-openid-demo.appspot.com/
Safari: I get to https://ikai-openid-demo.appspot.com:443/openidde
> "Secure Connection Failed
> An error occurred during a connection to ikai-openid-demo.appspot.com:
> 80.
>
> SSL received a record that exceeded the maximum permissible length.
>
> (Error code: ssl_error_rx_record_too_long)
Same on firefox and Chrome on OSX
Http works, https fails.
Also, is the
> I am using dwr and objectify framework to get the arraylist of string
> from datastore.
> But I am getting error.
>
> java.lang.RuntimeException: java.io.NotSerializableException
Well beyond that have you really gotten dwr to work in appengine. If
so, it must be a pretty old version.
AFAIK, dw
> It's boggled my mind from day 1 why instances
> aren't loaded in the background. I always assumed it would be addressed
What is difficult to understand?
1 server has X resources
warmed instanced require Y resources
X - YN = resources left over for the server to fulfill requests.
By reducing
> This seems pretty basic. Can somebody wake me from this nightmare?
Sorry, been there...
If I was starting over, I'd seriously think about:
http://code.google.com/p/objectify-appengine/
for two reasons:
1) Objectify entities can be used in GWT without the need for Data
Transfer Objects.
2) it
Hi,
Is anyone doing their own (not Google's) authentication perhaps via a
servlet perhaps using jaas. It seems a lot of the jaas classes are
whitelisted.
I've used spring security before but that seems a little heavy weight
- I mean startup from a dead stop or too add another "instance".
Any id
> I'd like to use the GAE more like a conventional database, eg., I'd
> like to be able to send very simple INSERT, UPDATE, DELETE and even
> CREATE TABLE statements to my app via HTTP and have them processed.
> Does anyone know of available product or code that does anything
> similar, or is anyon
> My Java App anticipates few requests, but a lot of processing. Hence
> it was designed to be multi-threaded. Since the multiple threads are
> not allowed in GAE & max request processing time is only 30 secs with
> Task Queues, I'm looking at my options:
> 1. How do you develop high background pro
Well this won't help to use id as an array index but...
> * As you've probably figured out, the datastore natively only
> supports two types of id, Long and String
> * Only Long will autogenerate
Key will autogenerate too won't it!
and from the api:
long com.google.appengine.api.datastore.Key
> Error in meta-data for my.syncdroidserver.Box.boxID: Unsupported
> primary key type: int
>
http://code.google.com/appengine/docs/java/datastore/creatinggettinganddeletingdata.html#Keys
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> Hi Shawn,
>
> My apologies, but ...
> pm.getObjectById(TestDN.class, key) will fail if the persistent type of the
> entity referenced by key is not TestDN.class.
Hey no problem. All is well. We can determine the class by the key
(key.getKind()) and use that to do the lookup
if(key.getKind().
> You can find information on using inheritance in JDO here:
> http://www.datanucleus.org/products/accessplatform_1_1/jdo/orm/inheritance.html
> Note that app engine _only_ supports the 4th option, "complete-table."
According to that link, this should work to query subclasses:
tx.begin();
Extent
> Yes its like a official release I can breathe again.
>
> Then move back original question. "How should I teach
> Eclipse of this update?
Can't you just update eclipse?
> Sorry I am writing from japan so Dec-5th is japan time and it means
> Dec-4th US west coast.
Actually I'm in Japan (Tokyo) m
> And So is it become
> official version at Dec-5th?
I think so. Well Dec 4th.
http://groups.google.com/group/google-appengine-java/browse_thread/thread/18e49b1559752fae/fdf7c0bc29d6e74d?lnk=gst&q=App+Engine+SDK+1.2.8+released+including+new+Admin+Console+features#fdf7c0bc29d6e74d
Shawn
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Hi,
> Some said GAE did not support DWR while I had read about
>> "Will it play in App Engine".It showed that "
>> Direct Web Remoting (DWR)
>> Version(s): 2.0.5, 3.0 RC1
>> Status: COMPATIBLE"
DWR uses threads for some things like reverse ajax. For sure, that
will not work in appengine at lea
see http://tinyurl.com/yzhwl6p
It's a known issue with upgrading. Look at the top result.
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Hi,
> I have read that a particular User can process 1-10 request per
> second. Is this a limit of the free quota or does paid quota also
> have this limitation.
Where and what did you read?
That doesn't seem consistent with the published limits. I guess it
depends on what they were doing wit
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