@Override
protected void onBeforeRender() {
System.out.println( foo );
System.out.println( foo.getClass() );
super.onBeforeRender();
}
When using @Stateless, the output is :
08:52:35,027 INFO [stdout] (http--127.0.0.1-8080-1) Proxy for view class:
com.foo.FooStateless of EJB: FooStateless
08:52:35,028 INFO [stdout] (http--127.0.0.1-8080-1) class
com.foo.FooStateless$Proxy$_$$_Weld$Proxy$
when using @ApplicationScoped, the output is:
08:54:00,831 INFO [stdout] (http--127.0.0.1-8080-4)
com.foo.FooStateless@201a6e9
08:54:00,831 INFO [stdout] (http--127.0.0.1-8080-4) class
com.foo.FooStateless$Proxy$_$$_WeldClientProxy
On Thu, Apr 12, 2012 at 8:46 AM, Martin Grigorov <mgrigo...@apache.org>wrote:
> The difference is that scoped beans are represented by proxy.
> I guess there is no proxy for the stateless EJB. You can verify this
> by putting a breakpoint in your page's #onBeforeRender() and checking
> the type of the injected value.
>
> Later during deserialization the current class loader cannot load
> class org.jboss.msc.service.ServiceName.
> In the case with scoped bean the proxy is loaded without problems and
> it seems the proxy itself deals with the class loading of the
> underlying bean.
>
> On Thu, Apr 12, 2012 at 3:40 PM, Jonathan Tougas <jtou...@gmail.com>
> wrote:
> > I'm not familiar with the Wicketopia source, but doing a quick scan I
> can't
> > find any EJBs in there. The problem in this case occurs if the
> FooStateless
> > class is @Stateless. Changing this to @ApplicationScoped, the problem
> goes
> > away.
> >
> > On Thu, Apr 12, 2012 at 8:28 AM, Jonathan Tougas <jtou...@gmail.com>
> wrote:
> >
> >> A stateless bean is injected into the home page class. Load the page in
> >> two tabs (so twice in the same session), then on the first tab, press
> the
> >> button. The error occurs every time in this scenario.
> >>
> >> On Thu, Apr 12, 2012 at 2:41 AM, Martin Grigorov <mgrigo...@apache.org
> >wrote:
> >>
> >>> Hi,
> >>>
> >>> On Wed, Apr 11, 2012 at 10:54 PM, Jonathan Tougas <jtou...@gmail.com>
> >>> wrote:
> >>> > I'm running Wicket 1.5 on JBoss 7.1.1 with some CDI thrown in to the
> >>> mix.
> >>> > In certain cases when Wicket deserializes a Page containing a
> reference
> >>> to
> >>> > a CDI bean, I get this exception:
> >>>
> >>> In what cases exactly ?
> >>> Because the problem is
> >>>
> >>> Caused by: java.lang.ClassNotFoundException:
> >>> org.jboss.msc.service.ServiceName from [Module
> >>> "deployment.wicket.war:main"
> >>> from Service Module Loader]
> >>>
> >>> In what cases this class is no more loadable by the current class
> loader ?
> >>>
> >>> >
> >>> > 15:10:30,841 ERROR [org.apache.wicket.request.RequestHandlerStack]
> >>> > (http--127.0.0.1-8080-1) Error detaching RequestHandler:
> >>> > java.lang.RuntimeException: Could not deserialize object using: class
> >>> >
> >>>
> org.apache.wicket.serialize.java.JavaSerializer$ClassResolverObjectInputStream
> >>> > at
> >>> >
> >>>
> org.apache.wicket.serialize.java.JavaSerializer.deserialize(JavaSerializer.java:137)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.pageStore.DefaultPageStore.deserializePage(DefaultPageStore.java:388)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.pageStore.DefaultPageStore.getPage(DefaultPageStore.java:127)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.page.PageStoreManager$SessionEntry.getPage(PageStoreManager.java:192)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.page.PageStoreManager$PersistentRequestAdapter.getPage(PageStoreManager.java:327)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.page.AbstractPageManager.getPage(AbstractPageManager.java:102)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.page.PageManagerDecorator.getPage(PageManagerDecorator.java:50)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.page.PageAccessSynchronizer$2.getPage(PageAccessSynchronizer.java:257)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.DefaultMapperContext.getPageInstance(DefaultMapperContext.java:117)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.handler.PageProvider.getStoredPage(PageProvider.java:292)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.handler.PageProvider.isNewPageInstance(PageProvider.java:205)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.handler.PageProvider.getPageParameters(PageProvider.java:184)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.handler.logger.PageLogData.<init>(PageLogData.java:51)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.handler.logger.ListenerInterfaceLogData.<init>(ListenerInterfaceLogData.java:56)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.handler.ListenerInterfaceRequestHandler.detach(ListenerInterfaceRequestHandler.java:134)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.detach(RequestCycle.java:792)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.RequestHandlerStack.detach(RequestHandlerStack.java:180)
> >>> > [wicket-request-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.cycle.RequestCycle.onDetach(RequestCycle.java:596)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.cycle.RequestCycle.detach(RequestCycle.java:539)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:287)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:185)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:241)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:154)
> >>> > [jboss-as-web-7.1.0.Final.jar:7.1.0.Final]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> >
> >>>
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at
> >>> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)
> >>> > [jbossweb-7.0.10.Final.jar:]
> >>> > at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_02]
> >>> > Caused by: java.lang.ClassNotFoundException:
> >>> > org.jboss.msc.service.ServiceName from [Module
> >>> "deployment.wicket.war:main"
> >>> > from Service Module Loader]
> >>> > at
> >>>
> org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
> >>> > at
> >>> >
> >>>
> org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)
> >>> > at
> >>> >
> >>>
> org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456)
> >>> > at
> >>> >
> >>>
> org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
> >>> > at
> >>> >
> >>>
> org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120)
> >>> > at java.lang.Class.forName0(Native Method) [rt.jar:1.7.0_02]
> >>> > at java.lang.Class.forName(Class.java:264) [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.application.AbstractClassResolver.resolveClass(AbstractClassResolver.java:108)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.serialize.java.JavaSerializer$ClassResolverObjectInputStream.resolveClass(JavaSerializer.java:216)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > at
> >>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1593)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.util.HashMap.readObject(HashMap.java:1043) [rt.jar:1.7.0_02]
> >>> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_02]
> >>> > at
> >>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:991)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>>
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>>
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>>
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>>
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>>
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>>
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
> >>> > [rt.jar:1.7.0_02]
> >>> > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
> >>> > [rt.jar:1.7.0_02]
> >>> > at
> >>> >
> >>>
> org.apache.wicket.serialize.java.JavaSerializer.deserialize(JavaSerializer.java:120)
> >>> > [wicket-core-1.5.5.jar:1.5.5]
> >>> > ... 34 more
> >>> >
> >>> > I put up a simple project to demonstrate this at
> >>> > http://code.google.com/p/jonatoga/source/browse/#svn%2Fwicket-ex1.
> To
> >>> > reproduce the problem load the home page in two tabs, then on the
> first
> >>> > tab, press the button.
> >>> >
> >>> > Any ideas as to what's going on?
> >>>
> >>>
> >>>
> >>> --
> >>> Martin Grigorov
> >>> jWeekend
> >>> Training, Consulting, Development
> >>> http://jWeekend.com
> >>>
> >>> ---------------------------------------------------------------------
> >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >>> For additional commands, e-mail: users-h...@wicket.apache.org
> >>>
> >>>
> >>
>
>
>
> --
> Martin Grigorov
> jWeekend
> Training, Consulting, Development
> http://jWeekend.com
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>
