[jira] [Commented] (WW-3010) s:iterator fails to iterate over collections containing null

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    [ https://issues.apache.org/jira/browse/WW-3010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082580#comment-15082580 ] 

ASF subversion and git services commented on WW-3010:
-----------------------------------------------------

Commit 1d3d7be4668e66314f7385a2b73f1c3a7dff66dd in struts's branch refs/heads/master from Victor Sosa
[ https://git-wip-us.apache.org/repos/asf?p=struts.git;h=1d3d7be ]

Fix for WW-4312

A problem on Iterator tag


and  WW-3010 s:iterator fails to iterate over collections containing
null 

> s:iterator fails to iterate over collections containing null
> ------------------------------------------------------------
>
>                 Key: WW-3010
>                 URL: https://issues.apache.org/jira/browse/WW-3010
>             Project: Struts 2
>          Issue Type: Bug
>    Affects Versions: 2.0.14
>         Environment: any
>            Reporter: Daniel Baldes
>             Fix For: 2.5
>
>
> When using the struts2 taglib's iterator tag to iterate over a collection which contains nulls, the current value ("id") is not set to null, but to the value it had in the last iteration before. This behaviour is explicitly coded without any obvious reason. See IteratorComponent.java from line 219:
> {code:java}
>             if ((id != null) && (currentValue != null)) {
>                 //pageContext.setAttribute(id, currentValue);
>                 //pageContext.setAttribute(id, currentValue, PageContext.REQUEST_SCOPE);
>                 stack.getContext().put(id, currentValue);
>             }
> {code}
> Expected behaviour: just iterate over the null values as a plain java iterator would.
> If nulls are forbidden for some important reason, it should throw an execption, but not return a wrong value.



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