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From "Mike Arnold (JIRA)" <beehive-...@incubator.apache.org>
Subject [jira] Commented: (BEEHIVE-827) FacesMessages unavailable in JSF
Date Wed, 22 Jun 2005 19:39:33 GMT
    [ http://issues.apache.org/jira/browse/BEEHIVE-827?page=comments#action_12314256 ] 

Mike Arnold commented on BEEHIVE-827:
-------------------------------------

It appears the onCreate() method is no longer executed when returning from the action, so
there appears to be no place to getPageInput() to retrieve the message and place into FacesContext.
 Do you have a recommendation as to how I can best retrieve the ActionOutput from inside my
backing bean?  Do I need to forward to a different faces view in order to execute getPageInput()
from the onCreate() method of a new backing bean?

> FacesMessages unavailable in JSF
> --------------------------------
>
>          Key: BEEHIVE-827
>          URL: http://issues.apache.org/jira/browse/BEEHIVE-827
>      Project: Beehive
>         Type: Bug
>   Components: NetUI
>     Versions: v1m1
>  Environment: Sun JSF-ri, Tomcat 5.0.28
>     Reporter: Mike Arnold
>      Fix For: V1

>
> I created a FacesBackingBean that raises an action in the controller.  The action returns
a Forward sending the request back to the JSF.  The forward generates an ActionOutput of a
simple String message.  In the onCreate() method of the FacesBackingBean I called getPageInput()
to retrieve the ActionOutput.  I then cast the output as a string and pass it to a new FacesMessage
which is passed to FacesContext.getInstance().addMessage().  In the JSF, the message is not
displayed using the <h:messages/> tag.
> If I add the new FacesMessage to FacesContext in an event handler that does not raise
an action, the message is displayed as expected.
> If I add the new FacesMessage to FacesContext in onCreate() without going through an
action, the statement throws a NPE.
> @Override
> protected void onCreate() throws Exception {
>      FacesContext.getCurrentInstance().addMessage("foo", new FacesMessage("bar"));
> }
> Stack Trace:
> java.lang.NullPointerException
> 	at petstoreAdmin.login.onCreate(login.java:30)
> 	at org.apache.beehive.netui.pageflow.PageFlowManagedObject.create(PageFlowManagedObject.java:62)
> 	at org.apache.beehive.netui.pageflow.internal.FacesBackingBeanFactory.getFacesBackingBeanForRequest(FacesBackingBeanFactory.java:73)
> 	at org.apache.beehive.netui.script.common.ImplicitObjectUtil.loadImplicitObjects(ImplicitObjectUtil.java:161)
> 	at org.apache.beehive.netui.pageflow.PageFlowPageFilter.runPage(PageFlowPageFilter.java:271)
> 	at org.apache.beehive.netui.pageflow.PageFlowPageFilter.doFilter(PageFlowPageFilter.java:205)
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
> 	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.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:683)
> 	at java.lang.Thread.run(Thread.java:595)

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