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Date: Tue, 4 Jun 2013 07:30:34 +0300
From: Edvard Fonsell <edvard.fonsell@nitorcreations.com>
Organization: Nitor Creations
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To: <users@wicket.apache.org>
Subject: Re: Injecting proxy services in page.
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Hi,

I'm not sure if this is the issue here but I've seen similar problems 
when I used AnnotationConfigApplicationContext as a Spring context, but 
got it working by using AnnotationConfig*Web*ApplicationContext.

br, Edvard

On 03.06.2013 17:19, Paul Bors wrote:
> I find it easier to configure Spring via the XML rather than code.
>
> Hence I have my applicationContext.xml inside my war's WEB-INF/classes/ with
> all the bean definitions and then configure Wicket via the context specific
> configuration from inside my web.xml:
>
>      <!--
>          There are three means to configure Wickets configuration mode and
> they
>          are tested in the order given.
>
>          1) A system property: -Dwicket.configuration
>          2) servlet specific <init-param>
>          3) context specific <context-param>
>
>          The value might be either "development" (reloading when templates
> change) or
>          "deployment". If no configuration is found, "development" is the
> default. -->
>
>      <context-param>
>          <param-name>contextConfigLocation</param-name>
>          <param-value>classpath:applicationContext.xml</param-value>
>      </context-param>
>
>      <filter>
>          <filter-name>persistence</filter-name>
>
> <filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFil
> ter</filter-class>
>          <init-param>
>              <param-name>entityManagerFactoryBeanName</param-name>
>              <param-value>entityManagerFactory</param-value>
>          </init-param>
>          <init-param>
>              <param-name>singleSession</param-name>
>              <param-value>true</param-value>
>          </init-param>
>      </filter>
>
>      ...
>
>      <listener>
>
> <listener-class>org.springframework.web.context.ContextLoaderListener</liste
> ner-class>
>      </listener>
>
> Whenever I need to inject a service I use Wicket's @SpringBean.
>
> ~ Thank you,
>    Paul Bors
>
> -----Original Message-----
> From: Entropy [mailto:blmulholland@gmail.com]
> Sent: Monday, June 03, 2013 9:01 AM
> To: users@wicket.apache.org
> Subject: Injecting proxy services in page.
>
> We are doing the "annotation based approach" described in this link
> (https://cwiki.apache.org/WICKET/spring.html).  At least, we think we are.
>
> We get:
> [6/3/13 8:26:00:907 EDT] 00000023 SystemOut     O ERROR [WebContainer : 0]
> (RequestCycle.java:1521) - Could not deserialize object using
> `org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory`
> object factory
> java.lang.RuntimeException: Could not deserialize object using
> `org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory`
> object factory
> 	at
> org.apache.wicket.util.lang.Objects.byteArrayToObject(Objects.java:435)
> 	at
> org.apache.wicket.protocol.http.pagestore.AbstractPageStore.deserializePage(
> AbstractPageStore.java:234)
> 	at
> org.apache.wicket.protocol.http.pagestore.DiskPageStore.getPage(DiskPageStor
> e.java:735)
> 	at
> org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCach
> ePageMap.get(SecondLevelCacheSessionStore.java:310)
> 	at org.apache.wicket.Session.getPage(Session.java:779)
> 	at
> org.apache.wicket.request.AbstractRequestCycleProcessor.resolveRenderedPage(
> AbstractRequestCycleProcessor.java:458)
> 	at
> org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestC
> ycleProcessor.java:144)
> 	at org.apache.wicket.RequestCycle.step(RequestCycle.java:1310)
> 	at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1428)
> 	at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
> 	at
> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:479)
> 	at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:312)
> 	at
> com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstance
> Wrapper.java:188)
> [trimmed for brevity]
> Caused by:
> *java.io.InvalidClassException: gov.usdoj.afms.umc.services.LogTransService;
> could not resolve class [gov.usdoj.afms.umc.services.LogTransService] when
> deserializing proxy*	at
> org.apache.wicket.proxy.LazyInitProxyFactory$ProxyReplacement.readResolve(La
> zyInitProxyFactory.java:236)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [trimmed for brevity]
> 	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:365)
> 	at
> org.apache.wicket.util.lang.Objects.byteArrayToObject(Objects.java:413)
> 	... 39 more
>
> I thought this might be because that particular service is in the parent
> page object and annotated there as well, but I moved it to the child class
> and saw no change in behavior.  It is a hibernate service and is annotated
> in the page like so:
>
> 	@SpringBean(name="LogTransService")
> 	private LogTransService userTransService;	
>
> The exception happens when I go to the page, do a few things (which involve
> submitting and redisplaying the page), and then hit the browser back button.
>
> This, as I understand it, causes wicket to deserialize the page from memory.
>
> But shouldn't it see the @SpringBean and re-inject a new service?
>
> Out app object does this:
> 	    addComponentInstantiationListener(new
> SpringComponentInjector(this, ctx, true));
>
> Ideas?
>
>
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Injecting-proxy-services-in-page-
> tp4659209.html
> Sent from the Users forum mailing list archive at Nabble.com.
>
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