[appengine-java] Grails & ACL

2011-01-27 Thread kaiserfranz
Hi everyone,

I know that GAE doesn't allow access to the file system. As I have added 
spring-security-acl to my app, I am getting trouble with the acl bit. It 
seems that there has to be a data store created on the FS, which is of 
course not working. Any thoughts on this issue ? Has anyone been able to run 
an acl-secured grails app on GAE ?

thanks for your help

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[appengine-java] Unindexed properties with JDO ?

2011-01-27 Thread Fabrizio Accatino
Using the datastore low-level API I can set a property to "no indexed".
 Entity.setUnindexedProperty();
http://code.google.com/appengine/docs/java/datastore/queries.html

Is there a way to get the same behaviour using JDO?
I'd like to reduce the space used by indexes automatically created on the
properties.

Fabrizio

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Re: [appengine-java] Re: Persistant Objects to GWT front-end (and vice versa)

2011-01-27 Thread nacho
Or the Editor 
Framework

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[appengine-java] The disabling of sessions during a datastore down-time period

2011-01-27 Thread Ian Marshall
I refer to the most recent post to above-named thread dated 9th
November 2010, of link

http://groups.google.com/group/google-appengine-java/browse_thread/thread/d70d5a82b5db6851/ff32520adb83aeda?lnk=gst&q=disabling+of+sessions#ff32520adb83aeda

I can no longer post to this thread, so I start a new one here of the
same subject to post a continuation.

For the record, I have replaced Ikai's last line of his sample code

  Capability capability = state.getCapability();

with

CapabilityStatus statusDatastore = state.getStatus();

and then tested the condition

  (statusDatastore == CapabilityStatus.ENABLED)

to see if the datastore is available.

Ikai's code and my amendment tests for "Capability.DATASTORE". I use
this template to test for Capability.DATASTORE_WRITE too. I shall see
in next month's scheduled datastore down-time whether my new code will
detect this down-time and react to it cleanly.

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[appengine-java] Re: Xstream patched

2011-01-27 Thread Bat
Thanks.

However, I've tryed with your .jar but I still have the save problem. Here 
is the error :

java.lang.NoClassDefFoundError: sun.reflect.ReflectionFactory is a restricted 
class. Please see the Google App Engine developer's guide for more details.
at 
com.google.apphosting.runtime.security.shared.stub.sun.reflect.ReflectionFactory.(ReflectionFactory.java)
at 
com.thoughtworks.xstream.converters.reflection.Sun14ReflectionProvider.getLazyRefectionFactory(Sun14ReflectionProvider.java:105)
at 
com.thoughtworks.xstream.converters.reflection.Sun14ReflectionProvider.getMungedConstructor(Sun14ReflectionProvider.java:97)
at 
com.thoughtworks.xstream.converters.reflection.Sun14ReflectionProvider.newInstance(Sun14ReflectionProvider.java:76)
at 
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.instantiateNewInstance(AbstractReflectionConverter.java:313)
at 
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:162)
at 
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:82)
at 
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:63)
at 
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:76)
at 
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:60)
at 
com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:137)
at 
com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:965)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:950)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:893)

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Re: [appengine-java] Re: Xstream patched

2011-01-27 Thread Charms Styler
Wel I have been using it on my apps too, I suggest your post your source.

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[appengine-java] Re: Xstream patched

2011-01-27 Thread Bat
Wich source..? I only call :
XStream xstream = new XStream(new DomDriver());
InputStream input = new FileInputStream("WEB-INF/myFile.xml");

And the class serialize are standard...

What does the patch improve into the source of xstream?

Many thanks

On 27 jan, 15:38, Charms Styler  wrote:
> Wel I have been using it on my apps too, I suggest your post your source.

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Re: [appengine-java] Web.xml 100 servlet mapping maximum

2011-01-27 Thread Vinny
Would it be a benefit to use one of the many java web frameworks that
filter everything though a main controller servlet/filter? 100
servlets give me the sense that functionality is being unnecessarily
duplicated?
--
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On Wed, Jan 26, 2011 at 4:34 PM, culov  wrote:
> I have a very large web app and I have no other recourse besides
> either moving away from app engine or having the limit increased.  The
> number of URL mappings seems like a very arbitrary property to cap at
> 100, and this is simply not enough for many web apps with a wide
> scope.  How can I get the limit increased for my app?
>
> Thanks,
>
> Ivan
>
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Re: [appengine-java] Web.xml 100 servlet mapping maximum

2011-01-27 Thread Luis Montes
I agree with Vinny on this. 100 servlet mappings is excessive. Use and MVC
framework to handle the mappings and maybe just a few dispatcher servlets.


Spring 3.0's MVC allows you to do simple RESTful URL mappings with
annotations added to simple POJOs



Luis

On Thu, Jan 27, 2011 at 8:12 AM, Vinny  wrote:

> Would it be a benefit to use one of the many java web frameworks that
> filter everything though a main controller servlet/filter? 100
> servlets give me the sense that functionality is being unnecessarily
> duplicated?
> --
> biz: http://www.linkedin.com/in/vincentstoessel/
> personal: http://www.xaymaca-studios.com/
>
>
>
> On Wed, Jan 26, 2011 at 4:34 PM, culov  wrote:
> > I have a very large web app and I have no other recourse besides
> > either moving away from app engine or having the limit increased.  The
> > number of URL mappings seems like a very arbitrary property to cap at
> > 100, and this is simply not enough for many web apps with a wide
> > scope.  How can I get the limit increased for my app?
> >
> > Thanks,
> >
> > Ivan
> >
> > --
> > 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.
> >
> >
>
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>
>

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Re: [appengine-java] Unindexed properties with JDO ?

2011-01-27 Thread Stephen Johnson
Add this annotation to properties you want unindexed.

@Extension(vendorName = "datanucleus", key = "gae.unindexed",
value="true")


On Thu, Jan 27, 2011 at 4:00 AM, Fabrizio Accatino  wrote:

> Using the datastore low-level API I can set a property to "no indexed".
>  Entity.setUnindexedProperty();
> http://code.google.com/appengine/docs/java/datastore/queries.html
>
> Is there a way to get the same behaviour using JDO?
> I'd like to reduce the space used by indexes automatically created on the
> properties.
>
> Fabrizio
>
>  --
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[appengine-java] Can't integrate my GoogleAppEngine(GAE/J) app with JPA (DataNucleus) !

2011-01-27 Thread Juan Manuel Amorós
Hi! I'm having problems running a Google App Engine app (GAE/J) trying
to integrate with JPA but I can't make it work. I followed the simple
steps of google official tutorial (http://code.google.com/appengine/
docs/java/datastore/jpa/overview.html). I setted up the
persistence.xml file in the right place, downloaded the JAR from the
SDK and added to my project as external JARs (using Eclipse SDK). I'm
currently not using Maven so i'm doing it manually.

When I run the GAE application the following WARNINGs, ERRORs and
Exceptions appear on my Console:


-
Jan 27, 2011 3:47:11 PM com.google.apphosting.utils.jetty.JettyLogger
info
INFO: Logging to JettyLogger(null) via
com.google.apphosting.utils.jetty.JettyLogger
Jan 27, 2011 3:47:11 PM
com.google.apphosting.utils.config.AppEngineWebXmlReader
readAppEngineWebXml
INFO: Successfully processed /home/xxx/project/war/WEB-INF/
appengine-web.xml
Jan 27, 2011 3:47:11 PM
com.google.apphosting.utils.config.AbstractConfigXmlReader
readConfigXml
INFO: Successfully processed /home/xxx/project/war/WEB-INF/
web.xml
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point "org.eclipse.core.resources.natures"
not registered, but plugin "org.eclipse.jdt.core" defined in file:/
home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point "org.eclipse.core.resources.builders"
not registered, but plugin "org.eclipse.jdt.core" defined in file:/
home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point "org.eclipse.core.resources.markers"
not registered, but plugin "org.eclipse.jdt.core" defined in file:/
home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point "org.eclipse.core.resources.markers"
not registered, but plugin "org.eclipse.jdt.core" defined in file:/
home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
[etc...]
WARNING: Extension Point
"org.eclipse.core.runtime.contentTypes" not registered, but plugin
"org.eclipse.jdt.core" defined in file:/home/xxx/project/war/WEB-INF/
lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point
"org.eclipse.core.runtime.preferences" not registered, but plugin
"org.eclipse.jdt.core" defined in file:/home/xxx/project/war/WEB-INF/
lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point
"org.eclipse.core.runtime.preferences" not registered, but plugin
"org.eclipse.jdt.core" defined in file:/home/xxx/project/war/WEB-INF/
lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry resolveConstraints
SEVERE: Bundle "org.eclipse.jdt.core" requires
"org.eclipse.core.resources" but it cannot be resolved.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry resolveConstraints
SEVERE: Bundle "org.eclipse.jdt.core" requires
"org.eclipse.core.runtime" but it cannot be resolved.
Jan 27, 2011 3:47:28 PM
org.datanucleus.plugin.NonManagedPluginRegistry resolveConstraints
SEVERE: Bundle "org.eclipse.jdt.core" requires
"org.eclipse.text" but it cannot be resolved.
Jan 27, 2011 3:47:30 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point "org.eclipse.core.resources.natures"
not registered, but plugin "org.eclipse.jdt.core" defined in file:/
home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:30 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point "org.eclipse.core.resources.builders"
not registered, but plugin "org.eclipse.jdt.core" defined in file:/
home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:30 PM
org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
WARNING: Extension Point "org.eclipse.core.resources.markers"
not registered, but plugin "org.eclipse.jdt.core" defined in file:/
home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
Jan 27, 2011 3:47:30 PM
org.datanucleus.plugin.NonManagedPluginRegistry regi

Re: [appengine-java] Web.xml 100 servlet mapping maximum

2011-01-27 Thread Ikai Lan (Google)
I agree with Luis and Vinny. There are a lot better of options for mapping
servlets. One option if you don't want to use frameworks is guice-servlet:

http://code.google.com/p/google-guice/wiki/ServletModule

You can get by
with only one entry in web.xml.

That being said, we relaxed this requirement recently. Are you using release
1.4.0?

--
Ikai Lan
Developer Programs Engineer, Google App Engine
Blogger: http://googleappengine.blogspot.com
Reddit: http://www.reddit.com/r/appengine
Twitter: http://twitter.com/app_engine



On Thu, Jan 27, 2011 at 7:20 AM, Luis Montes  wrote:

> I agree with Vinny on this. 100 servlet mappings is excessive. Use and MVC
> framework to handle the mappings and maybe just a few dispatcher servlets.
>
>
> Spring 3.0's MVC allows you to do simple RESTful URL mappings with
> annotations added to simple POJOs
>
>
>
> Luis
>
>
> On Thu, Jan 27, 2011 at 8:12 AM, Vinny  wrote:
>
>> Would it be a benefit to use one of the many java web frameworks that
>> filter everything though a main controller servlet/filter? 100
>> servlets give me the sense that functionality is being unnecessarily
>> duplicated?
>> --
>> biz: http://www.linkedin.com/in/vincentstoessel/
>> personal: http://www.xaymaca-studios.com/
>>
>>
>>
>> On Wed, Jan 26, 2011 at 4:34 PM, culov  wrote:
>> > I have a very large web app and I have no other recourse besides
>> > either moving away from app engine or having the limit increased.  The
>> > number of URL mappings seems like a very arbitrary property to cap at
>> > 100, and this is simply not enough for many web apps with a wide
>> > scope.  How can I get the limit increased for my app?
>> >
>> > Thanks,
>> >
>> > Ivan
>> >
>> > --
>> > 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.
>> >
>> >
>>
>> --
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>> .
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>>
>>
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[appengine-java] Re: Cannot access text fields, when uploading Blobs

2011-01-27 Thread Dimedrol
Thanks, Ikan!
And btw, I need type casting as well:

String pictureTitle   = (String)req.getParameter("pictureTitle");

Guys, just don't forget about that. ;-)

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[appengine-java] java.lang.NoClassDefFoundError appearing at random after SOME deployments

2011-01-27 Thread culov
I'm using the Twitter4J oAuth Twitter API to pull some tweets in a servlet. 
 After some deployments, the servlet dies with an uncaught exception:  

java.lang.NoClassDefFoundError: Could not initialize class 
com.google.apphosting.runtime.security.shared.stub.java.net.Proxy

Most of the time, if I simply deploy again without making any changes, the 
same code will begin to work just fine.  I'm going to catch the exception 
and handle it properly once I get an opportunity, but I this won't help much 
since it appears to be a problem that occurring mid-deployment.  Has anyone 
ever experienced this issue?  I was under the impression that the 
java.new.Proxy class was NOT supported by app engine, so how is it that this 
code would ever work?

Thanks a lot,

Ivan

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Re: [appengine-java] Web.xml 100 servlet mapping maximum

2011-01-27 Thread culov
Thanks for the advice, everyone.

Ikai-  Yes, I'm using 1.4.0 and I still see this error.  I'd prefer to avoid 
adding any frameworks since my project has an enormous codebase and I don't 
want to overcomplicate things.  I'll look into Guice this weekend.  Thanks a 
lot!

-Ivan

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[appengine-java] Re: Can't integrate my GoogleAppEngine(GAE/J) app with JPA (DataNucleus) !

2011-01-27 Thread Didier Durand
Hi,

Maybe, if you start now with gaej and as many peole have jpa issues
similar to yours, you should check out alternatives to JPA as they are
nowadays strongly encouraged by Google GAEJ team:

See http://code.google.com/appengine/docs/java/datastore/overview.html:
"The Java SDK includes implementations of the Java Data Objects (JDO)
and Java Persistence API (JPA) interfaces for modeling and persisting
data. These standards-based interfaces include mechanisms for defining
classes for data objects, and for performing queries. In addition to
the standard frameworks and low-level datastore API, the Java SDK
supports other frameworks designed to simplify datastore usage for
Java developers. A large number of Java developers use these
frameworks. The Google App Engine team highly recommends them and
encourages you to check them out."

I personally switched to Objectify months ago: I am highly satisfied:
simple, efficient, transparent.

regards

didier

On Jan 27, 5:35 pm, Juan Manuel Amorós <120...@gmail.com> wrote:
> Hi! I'm having problems running a Google App Engine app (GAE/J) trying
> to integrate with JPA but I can't make it work. I followed the simple
> steps of google official tutorial (http://code.google.com/appengine/
> docs/java/datastore/jpa/overview.html). I setted up the
> persistence.xml file in the right place, downloaded the JAR from the
> SDK and added to my project as external JARs (using Eclipse SDK). I'm
> currently not using Maven so i'm doing it manually.
>
> When I run the GAE application the following WARNINGs, ERRORs and
> Exceptions appear on my Console:
>
> -
> Jan 27, 2011 3:47:11 PM com.google.apphosting.utils.jetty.JettyLogger
> info
>         INFO: Logging to JettyLogger(null) via
> com.google.apphosting.utils.jetty.JettyLogger
>         Jan 27, 2011 3:47:11 PM
> com.google.apphosting.utils.config.AppEngineWebXmlReader
> readAppEngineWebXml
>         INFO: Successfully processed /home/xxx/project/war/WEB-INF/
> appengine-web.xml
>         Jan 27, 2011 3:47:11 PM
> com.google.apphosting.utils.config.AbstractConfigXmlReader
> readConfigXml
>         INFO: Successfully processed /home/xxx/project/war/WEB-INF/
> web.xml
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
>         WARNING: Extension Point "org.eclipse.core.resources.natures"
> not registered, but plugin "org.eclipse.jdt.core" defined in file:/
> home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
>         WARNING: Extension Point "org.eclipse.core.resources.builders"
> not registered, but plugin "org.eclipse.jdt.core" defined in file:/
> home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
>         WARNING: Extension Point "org.eclipse.core.resources.markers"
> not registered, but plugin "org.eclipse.jdt.core" defined in file:/
> home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
>         WARNING: Extension Point "org.eclipse.core.resources.markers"
> not registered, but plugin "org.eclipse.jdt.core" defined in file:/
> home/xxx/project/war/WEB-INF/lib/core-3.1.1.jar refers to it.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
>         [etc...]
>         WARNING: Extension Point
> "org.eclipse.core.runtime.contentTypes" not registered, but plugin
> "org.eclipse.jdt.core" defined in file:/home/xxx/project/war/WEB-INF/
> lib/core-3.1.1.jar refers to it.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
>         WARNING: Extension Point
> "org.eclipse.core.runtime.preferences" not registered, but plugin
> "org.eclipse.jdt.core" defined in file:/home/xxx/project/war/WEB-INF/
> lib/core-3.1.1.jar refers to it.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry registerExtensions
>         WARNING: Extension Point
> "org.eclipse.core.runtime.preferences" not registered, but plugin
> "org.eclipse.jdt.core" defined in file:/home/xxx/project/war/WEB-INF/
> lib/core-3.1.1.jar refers to it.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry resolveConstraints
>         SEVERE: Bundle "org.eclipse.jdt.core" requires
> "org.eclipse.core.resources" but it cannot be resolved.
>         Jan 27, 2011 3:47:28 PM
> org.datanucleus.plugin.NonManagedPluginRegistry resolveConstraints
>         SEVERE: Bundle "org.eclipse.jdt.core" requires
> "org.eclipse.core.runtime" but it cannot be resolved.
>         J