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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (WW-4831) Array-of-null parameters are converted to arrays containing "null"
Date Tue, 01 Aug 2017 09:56:02 GMT

     [ https://issues.apache.org/jira/browse/WW-4831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lukasz Lenart updated WW-4831:
------------------------------
    Fix Version/s:     (was: 2.5.12)
                   2.5.13

> Array-of-null parameters are converted to arrays containing "null"
> ------------------------------------------------------------------
>
>                 Key: WW-4831
>                 URL: https://issues.apache.org/jira/browse/WW-4831
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.5.12
>            Reporter: Mitth'raw'nuruodo
>             Fix For: 2.5.13
>
>
> The {{com.opensymphony.xwork2.conversion.impl.StringConverter}} class, since Struts 2.5.11,
incorrectly handles arrays containing null; it converts them to arrays containing the string
"null" (using {{String.valueOf}}).
> This is breaking one of our applications; some pages are OK, but on other pages, every
non-provided field is populated with the String "null".
> This is a similar issue to WW-4737, but occurring in different code.
> Please ensure that conversion to String always uses the two-argument version of {{Objects.toString}},
which preserves nulls, rather than {{String.valueOf}}, which converts them to the four-letter
string "null".



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