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http://www.stripesframework.org/jira/browse/STS-521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11633#action_11633
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Frederic Daoud commented on STS-521:
------------------------------------
I've narrowed it down. What's happening is that with <s:option value="">, the
empty string "" gets encrypted. However, upon submitting that value, it gets
decrypted as "" and also set as "", instead of being considered as null like a
plain empty string. So a required=true property gets set as "", which I think
is not the expected behavior.
I'm not sure if this is an issue with encryption or with parameter binding (why
does "" gets set in this case instead of being considered as null?)
Thoughts, anyone?
> NPE decrypting null value with @Validate(encrypted=true)
> --------------------------------------------------------
>
> Key: STS-521
> URL: http://www.stripesframework.org/jira/browse/STS-521
> Project: Stripes
> Issue Type: Bug
> Components: Formatting, Validation
> Reporter: Ben Gunter
> Assignee: Ben Gunter
> Fix For: Release 1.5
>
> Attachments: stripes-STS-521.patch
>
>
> From the users mailing list...
> Hi Christian,
> I guess the value of the field was null when it's rendered, wasn't it?
> It seems that encrypted field must have a non-null value when it is
> rendered.
> In my last project, I removed the field when the value is null to
> workaround the issue.
> <c:if test="${!empty actionBean.user.id}">
> <stripes:hidden name="user.id" />
> </c:if>
> --
> IMHO, it would be nice if null value is encrypted in the same way as
> normal value because I often use the same form for both editing an
> existing instance and creating a new instance (as most of you, I suppose).
> Any thoughts?
> Regards,
> Iwao
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