[jira] [Commented] (TAP5-2249) Rendering an empty If component can cause a RenderQueueException

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    [ https://issues.apache.org/jira/browse/TAP5-2249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13839427#comment-13839427 ] 

ASF subversion and git services commented on TAP5-2249:
-------------------------------------------------------

Commit 1334bb9261f0a35dc1505745c74baf5aeda43adb in branch refs/heads/master from [~hlship]
[ https://git-wip-us.apache.org/repos/asf?p=tapestry-5.git;h=1334bb9 ]

TAP5-2249: Empty If with CSS class causes a RenderQueueException


> Rendering an empty If component can cause a RenderQueueException
> ----------------------------------------------------------------
>
>                 Key: TAP5-2249
>                 URL: https://issues.apache.org/jira/browse/TAP5-2249
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.4
>            Reporter: Howard M. Lewis Ship
>            Priority: Critical
>
> Rendering an empty If component causes the following error:
> {quote}
> 00:37:07.680 ERROR My5oosh - Render queue error in PostRenderCleanup[My5oosh:layout.if]: Component My5oosh:layout.if has rendered unbalanced elements; either it has started an element with MarkupWriter.element() and not followed up with MarkupWriter.end(), or it has invoked MarkupWriter.end() without first invoking MarkupWriter.element().
> org.apache.tapestry5.ioc.internal.util.TapestryException: Component My5oosh:layout.if has rendered unbalanced elements; either it has started an element with MarkupWriter.element() and not followed up with MarkupWriter.end(), or it has invoked MarkupWriter.end() without first invoking MarkupWriter.element().
> {quote}
> I suspect this is a bug in render-phase optimization.



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