[jira] Commented: (MYFACES-2146) Bug in UIViewRoot causes Exception in popComponentFromEL()

["Leonardo Uribe (JIRA)" <de...@myfaces.apache.org>]

    [ https://issues.apache.org/jira/browse/MYFACES-2146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12682570#action_12682570 ] 

Leonardo Uribe commented on MYFACES-2146:
-----------------------------------------

The patch applied on 2.0.0 branch makes fails several tests, because popComponentFromEL() does not check null or empty componentStack

> Bug in UIViewRoot causes Exception in popComponentFromEL()
> ----------------------------------------------------------
>
>                 Key: MYFACES-2146
>                 URL: https://issues.apache.org/jira/browse/MYFACES-2146
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: JSR-314
>    Affects Versions: 2.0.0-alpha
>            Reporter: Jan-Kees van Andel
>         Attachments: popcomponent_bug.patch
>
>
> UIViewRoot.encodeBegin() is missing a code path.
> Because of this, the UIViewRoot instance is not added to the current component stack.
> This causes an exception in UIComponent.popComponentFromEL(), because pop is being called on an empty stack.

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