[richfaces-issues] [JBoss JIRA] (RF-12976) rich:tabPanel using @binding: switching tabs invokes itemChangeListener multiple times

[Brian Leathem (JIRA)]

    [ https://issues.jboss.org/browse/RF-12976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773910#comment-12773910 ] 

Brian Leathem commented on RF-12976:
------------------------------------

>From a comment on a similar issue ([JAVASERVERFACES-2740|https://java.net/jira/browse/JAVASERVERFACES-2740]), [~edburns] says:

{quote}
It is strongly recommended that application developers place managed
beans that are pointed at by component binding expressions in
“request” scope, and not any other scope. This is because placing it
in session or application scope would require thread safety, since
UIComponent instances depends on running inside of a single
thread. There are also potentially negative impacts on memory
management when placing a component binding in “session” or “view”
scopes.
{quote}
                
> rich:tabPanel using @binding: switching tabs invokes itemChangeListener multiple times
> --------------------------------------------------------------------------------------
>
>                 Key: RF-12976
>                 URL: https://issues.jboss.org/browse/RF-12976
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: component-panels-layout-themes
>    Affects Versions: 4.3.2
>         Environment: Apache Tomcat 7.0.34
> Java(TM) SE Runtime Environment 1.7.0_21-b11 @ Linux
> Firefox 18.0, IE9, IE10, Chrome 24
> Metamer 4.3.2.20130510-Final
>            Reporter: Jiří Štefek
>              Labels: regression
>             Fix For: 4.3.2
>
>         Attachments: TabPanelBindingTest-4.3.0.Final.war
>
>
> Regression against RichFaces 4.3.1.Final. (not working in 4.3.2.CR1|Final)
> See steps to reproduce.

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