I think i know the problem...
I use a listener concept to update the properties of B. But this does not
work because of the de/serialization of the beans :-(
Trumml wrote:
>
> Okay, I did not get that point...
> But as described below, when I call method A.1 which changes both
> properties of bean A and B, should the refreshed view show both updates of
> bean A and B?
> This does not work and that's the reason why I tried the component
> binding...
>
>
> Andrew Robinson-5 wrote:
>>
>> If you use component binding, make sure that the binding's scope is
>> request and not session. Bound components should not be
>> serialized/re-used across requests.
>>
>> On 5/23/07, Trumml <[EMAIL PROTECTED]> wrote:
>>>
>>> Thanks for this short reply.
>>> But this serialization is a little bit problematic for me...
>>> I have a site with two different backing beans and a command button. The
>>> command button calls method A.1 from bean A, the site is reloaded (the
>>> method changes some properties of bean A) and all properties of A are
>>> renewed within the jsf site. Additionally A.1 changes some properties of
>>> bean B but those properties are not renewed within the view.
>>> So I tried to use component binding with bean B but this does not work
>>> because I can not use HtmlOutputText with my bean B because it is not
>>> serializable...?
>>>
>>> <h:commandButton value="action" action="#{A.1}" />
>>> <h:outputText value="#{A.property}"/>
>>> <h:outputText value="#{B.property}"/>
>>>
>>>
>>>
>>>
>>> Werner Punz-2 wrote:
>>> >
>>> > This has to be done due to the jsf inherent state saving and also some
>>> > app server serialize the sessions for clustering.
>>> >
>>> > Werner
>>> >
>>> >
>>> > Trumml schrieb:
>>> >> I use MyFaces (1.1.5) with Tomahawk and Facelet support. I added the
>>> >> following commmand to my xhtlm site:
>>> >> <h:commandButton value="doXY" action="#{PatientNavigatorBean.doXY}"
>>> />
>>> >> When I press this button an Exception is thrown because the
>>> >> PatientNavigatorBean is not serializable. My question is: which
>>> managed
>>> >> beans have to be serializable, when and why?
>>> >> When I add the Serializable interface to my managed bean everything
>>> works
>>> >> fine but I do want to know why I have to do this and are there
>>> possibly
>>> >> any
>>> >> fields in my bean which might be transient?
>>> >>
>>> >> => I already found a forum post but it does not contain the correct
>>> >> answer
>>> >> for my question i guess (
>>> >>
>>> http://www.nabble.com/What-requires-implementing-the-Serializable-interface--tf991035.html#a2566919
>>> >>
>>> http://www.nabble.com/What-requires-implementing-the-Serializable-interface--tf991035.html#a2566919
>>> >> )
>>> >>
>>> >> 16:16:37,983 ERROR [JspStateManagerImpl] Exiting serializeView -
>>> Could
>>> >> not
>>> >> serialize state: at.co.systema.ce.jsf.PatientNavigator
>>> >> java.io.NotSerializableException:
>>> at.co.systema.ce.jsf.PatientNavigator
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1081)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
>>> >> at java.util.ArrayList.writeObject(ArrayList.java:569)
>>> >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
>>> Method)
>>> >> at
>>> >>
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>> >> at
>>> >>
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> >> at java.lang.reflect.Method.invoke(Method.java:585)
>>> >> at
>>> >>
>>> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:917)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
>>> >> at java.util.ArrayList.writeObject(ArrayList.java:569)
>>> >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
>>> Method)
>>> >> at
>>> >>
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>> >> at
>>> >>
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> >> at java.lang.reflect.Method.invoke(Method.java:585)
>>> >> at
>>> >>
>>> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:917)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
>>> >> at java.util.HashMap.writeObject(HashMap.java:1039)
>>> >> at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown
>>> Source)
>>> >> at
>>> >>
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> >> at java.lang.reflect.Method.invoke(Method.java:585)
>>> >> at
>>> >>
>>> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:917)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
>>> >> at java.util.ArrayList.writeObject(ArrayList.java:569)
>>> >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
>>> Method)
>>> >> at
>>> >>
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>> >> at
>>> >>
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> >> at java.lang.reflect.Method.invoke(Method.java:585)
>>> >> at
>>> >>
>>> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:917)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
>>> >> at java.util.ArrayList.writeObject(ArrayList.java:569)
>>> >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
>>> Method)
>>> >> at
>>> >>
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>> >> at
>>> >>
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> >> at java.lang.reflect.Method.invoke(Method.java:585)
>>> >> at
>>> >>
>>> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:917)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
>>> >> at
>>> >>
>>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>>> >> at
>>> >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
>>> >> at
>>> >>
>>> org.apache.myfaces.application.jsp.JspStateManagerImpl.serializeView(JspStateManagerImpl.java:512)
>>> >> at
>>> >>
>>> org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedViewInServletSession(JspStateManagerImpl.java:453)
>>> >> at
>>> >>
>>> org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedView(JspStateManagerImpl.java:312)
>>> >> at
>>> >>
>>> com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:594)
>>> >> at
>>> >>
>>> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
>>> >> at
>>> >>
>>> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
>>> >> at
>>> javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
>>> >> at
>>> >>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
>>> >> at
>>> >>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>>> >> at
>>> >>
>>> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
>>> >> at
>>> >>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>>> >> at
>>> >>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>>> >> at
>>> >>
>>> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75)
>>> >> at
>>> >>
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>>> >> at
>>> >>
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>>> >> at
>>> >>
>>> org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:66)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>>> >> at
>>> >>
>>> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:162)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>>> >> at
>>> >>
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
>>> >> at
>>> >>
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
>>> >> at
>>> >> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
>>> >> at
>>> >>
>>> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
>>> >> at
>>> >>
>>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
>>> >> at
>>> >>
>>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
>>> >> at
>>> >>
>>> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
>>> >> at
>>> >>
>>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
>>> >> at java.lang.Thread.run(Thread.java:595)
>>> >
>>> >
>>> >
>>>
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Why-do-managed-beans-must-implement-the-Serializable-interface-tf3796802.html#a10766503
>>> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>>>
>>>
>>
>>
>
>
--
View this message in context:
http://www.nabble.com/Why-do-managed-beans-must-implement-the-Serializable-interface-tf3796802.html#a10767750
Sent from the MyFaces - Users mailing list archive at Nabble.com.
