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https://issues.apache.org/jira/browse/WW-3990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart resolved WW-3990.
-------------------------------
Resolution: Fixed
Fix Version/s: 2.3.12
Assignee: Lukasz Lenart
Done, please test with the latest build, just wait for Hudson
> Null id is not possible on component
> ------------------------------------
>
> Key: WW-3990
> URL: https://issues.apache.org/jira/browse/WW-3990
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.3.1.2
> Reporter: Thim Anneessens
> Assignee: Lukasz Lenart
> Fix For: 2.3.12
>
> Attachments: playground.zip
>
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> When inserting a component in a JSP action result (using <s:component
> template=...), the component has always at least an empty String as id.
> It is impossible to have null as value for id. Even when specifying
> explicitly null as being the value for id.
> This is the case when using s:param or the id attribute of s:component.
> After discussing the issue with Lukasz Lenart, he pointed out that the cause
> of this issue is that the UIBean.escape(String) method is always called on
> the id and that it returns an empty String when a null String is passed to it.
> This issue should be fixed or documented. Current documentation for id says
> it has no default value.
> There is a poc project. It was shared on the mailing list under the title
> "Re: Inconsistency in Struts2 s:component parameters handling".
> A copy of the poc has been uploaded here as well.
> Feel free to ask more questions.
> Best regards,
> Thim.
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