Hi,

make sure you have compatible versions for Wicket and gae-initializer, i.e. they should be the same.

Sven


On 01/04/2012 08:49 PM, Daniel Watrous wrote:
I'm slowly making progress.

I see now that what Sven replied with goes in the pom.xml.

What I'm not sure of is if I still need a jar file or the source as
part of my project. I have made the update to my pom.xml, and I'm now
getting this error when I attempt to run my application:

java.lang.NoClassDefFoundError:
org/apache/wicket/pageStore/memory/IDataStoreEvictionStrategy
        at java.lang.Class.getDeclaredConstructors0(Native Method)
        at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
        at java.lang.Class.getConstructor0(Unknown Source)
        at java.lang.Class.getDeclaredConstructor(Unknown Source)
        at 
com.google.appengine.tools.development.agent.runtime.Runtime$2.run(Runtime.java:133)
        at 
com.google.appengine.tools.development.agent.runtime.Runtime$2.run(Runtime.java:131)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
com.google.appengine.tools.development.agent.runtime.Runtime.newInstance(Runtime.java:130)
        at 
org.apache.wicket.util.lang.WicketObjects.newInstance(WicketObjects.java:377)
        at org.apache.wicket.Application.addInitializer(Application.java:577)
        at org.apache.wicket.Application.load(Application.java:615)
        at 
org.apache.wicket.Application.initializeComponents(Application.java:501)
        at org.apache.wicket.Application.initApplication(Application.java:808)
        at 
org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:346)
        at 
org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:286)
        at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:662)
        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
        at 
org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
        at 
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
        at 
org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
        at org.mortbay.jetty.Server.doStart(Server.java:224)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:191)
        at 
com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:239)
        at 
com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:146)
        at 
com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:164)
        at 
com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
        at 
com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:113)
        at 
com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:89)
Caused by: java.lang.ClassNotFoundException:
org.apache.wicket.pageStore.memory.IDataStoreEvictionStrategy
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at 
com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:176)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 35 more

Since gae-initializer did compile when I compiled with maven I also
tried simply putting the compile classes next to my other classes for
the deployment, but it still gives this error.

Thanks for all your help.

Daniel

On Wed, Jan 4, 2012 at 11:45 AM, Daniel Watrous
<daniel.watr...@gmail.com>  wrote:
Is that the same thing as adding the jar file to the build path in eclipse?

How do I build gae-initializer.jar? I tried running 'mvn jar', but it
gave an error about unknown lifecycle phase.

Daniel

On Wed, Jan 4, 2012 at 11:38 AM, Sven Meier<s...@meiers.net>  wrote:
Hi Daniel,

you just have to add the gae-initializer as a dependency to your project:

<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>wicketstuff-gae-initializer</artifactId>
<version>${wicket.version}</version>
</dependency>

That's all.
Sven


On 01/04/2012 07:35 PM, Daniel Watrous wrote:
Also, where do I put the wicket.properties file, and do I need to
update any xml files to indicate that there is a wicket.properties
file

On Wed, Jan 4, 2012 at 11:30 AM, Daniel Watrous
<daniel.watr...@gmail.com>    wrote:
How do I create the gae-initializer.jar?

I have run mvn compile and generated the class files. I can zip those
up, but I'm not sure if there should be a META-INF folder and what it
should have.

Daniel

On Wed, Jan 4, 2012 at 12:21 AM, Martin Grigorov<mgrigo...@apache.org>
  wrote:
Hi,

gae-initializer project provides

https://github.com/wicketstuff/core/blob/master/jdk-1.6-parent/gae-initializer-parent/gae-initializer/src/main/java/org/wicketstuff/gae/GaeInitializer.java
which is an implementation of org.apache.wicket.IInitializer and
declares it in

https://github.com/wicketstuff/core/blob/master/jdk-1.6-parent/gae-initializer-parent/gae-initializer/src/main/resources/wicket.properties.
That means that when gae-initializer.jar is in the classpath Wicket
will use it to initialize the Application instance.
Check the source of GaeInitializer.jar to see what exactly it
configures.

On Wed, Jan 4, 2012 at 1:52 AM, Daniel Watrous<daniel.watr...@gmail.com>
  wrote:
Hi,

I've been working for a few days to get a wicket application going for
Google App Engine with mixed results. I hope these questions aren't
too noobie for this list?

There are a couple of really old articles which Google brings up first:

http://stronglytypedblog.blogspot.com/2009/04/wicket-on-google-app-engine.html

http://www.danwalmsley.com/2009/04/08/apache-wicket-on-google-app-engine-for-java/

I've also found this resource after digging through the wicket users
list, but I can't figure out how I'm supposed to use it:

https://github.com/wicketstuff/core/tree/master/jdk-1.6-parent/gae-initializer-parent

I'm using eclipse with the GAE plugin.

So far this is what I have accomplished.
1) the first link above provides a download demo as an eclipse
project. I can get this to run, but it's working with old versions
(wicket 1.3.5, appengine sdk 1.2.0). I haven't successfully updated.
2) I can create a new google app engine project in eclipse. It runs
fine and I can develop servlets.
3) I can user the maven build script from the quickstart to get a
functional wicket project.

I'm really struggling trying to figure out how to use the
gae-initializer or a base GAE project from eclipse and end up with a
functional wicket application...

I'm not sure what other information to include at this point. Please
share any pointers or links to other tutorials that might help me.

Daniel

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jWeekend
Training, Consulting, Development
http://jWeekend.com

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