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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (WW-3010) s:iterator fails to iterate over collections containing null
Date Thu, 27 Mar 2014 12:34:15 GMT

     [ https://issues.apache.org/jira/browse/WW-3010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lukasz Lenart updated WW-3010:
------------------------------

    Fix Version/s:     (was: 3.0)
                   2.5

> 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:
>             if ((id != null) && (currentValue != null)) {
>                 //pageContext.setAttribute(id, currentValue);
>                 //pageContext.setAttribute(id, currentValue, PageContext.REQUEST_SCOPE);
>                 stack.getContext().put(id, currentValue);
>             }
> 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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