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.
>>
>>
>
>
--
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http://www.nabble.com/Why-do-managed-beans-must-implement-the-Serializable-interface-tf3796802.html#a10767134
Sent from the MyFaces - Users mailing list archive at Nabble.com.
