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https://issues.apache.org/jira/browse/WW-5451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17872419#comment-17872419
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nikos dimitrakas commented on WW-5451:
--------------------------------------
Any change of getting this fixed in like 6.4.1? We have not been able to
upgrade from 6.3.0.2 to 6.4.0 because of this and we would rather not have to
wait until 6.7.0.
> NullPointerException when <s:iterator> value array contains a null in the
> first entry
> -------------------------------------------------------------------------------------
>
> Key: WW-5451
> URL: https://issues.apache.org/jira/browse/WW-5451
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 6.4.0
> Reporter: Jon Pulice
> Priority: Minor
> Fix For: 6.7.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> When the first entry in an array contains a null value, and that array is
> used as the source for an <s:iterator> tag, a NullPointerException is thrown.
> This exception did not occur in prior versions of Struts 6.x
> Exception:
>
> {code:java}
> ERROR org.apache.struts2.dispatcher.DefaultDispatcherErrorHandler - Exception
> occurred during processing request: null
> java.lang.NullPointerException: null
> at
> org.apache.struts2.components.IteratorComponent.start(IteratorComponent.java:309)
> ~[struts2-core-6.4.0.jar:6.4.0]
> at
> org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:51)
> ~[struts2-core-6.4.0.jar:6.4.0]
> ...{code}
>
>
> A trivial example would be this tag:
> {code:java}
> <s:iterator value="pages">
> ...
> </s:iterator>{code}
> and Action:
>
> {code:java}
> public class TestAction extends ActionSupport {
> private Object[] pages = null;
>
> public String prompt() throws Exception {
> pages = new Object[10];
> return SUCCESS;
> }
> }
> {code}
>
>
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