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https://issues.apache.org/jira/browse/WW-4360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14027848#comment-14027848
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Joseph Walton commented on WW-4360:
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The changes are in this pull request: https://github.com/apache/struts/pull/16 .
> Fix potential NullPointerExceptions in xwork-core
> -------------------------------------------------
>
> Key: WW-4360
> URL: https://issues.apache.org/jira/browse/WW-4360
> Project: Struts 2
> Issue Type: Bug
> Reporter: Joseph Walton
> Priority: Minor
>
> Eclipse's static analysis of nulls identifies a number of spots in xwork-core
> where a NullPointerException can occur. This change fixes them either to
> rearrange things so they can't happen or to throw a more specific exception.
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