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http://www.stripesframework.org/jira/browse/STS-790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Gunter closed STS-790.
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> URI parameter is present with null value even when not specified
> ----------------------------------------------------------------
>
> Key: STS-790
> URL: http://www.stripesframework.org/jira/browse/STS-790
> Project: Stripes
> Issue Type: Bug
> Components: ActionBean Dispatching
> Affects Versions: Release 1.5.4
> Reporter: Ben Gunter
> Assignee: Ben Gunter
> Priority: Minor
> Labels: CleanURLs
> Fix For: Release 1.5.5, Release 1.6
>
>
> This is perhaps best illustrated by example. Say you have an ActionBean with
> @UrlBinding("/foo/{a}/{b}"). A request to /foo should have no parameters
> present, /foo/bar should have only a=foo present, and /foo/bar/baz should
> have a=bar and b=baz. Instead, when a parameter value is omitted from the
> URI, the parameter is actually present in the request with a null value.
> The difference seems negligible, but it's not. It has a direct impact on form
> population. In this example, a form with <s:hidden name="a" value="blah" />
> rendered with a request to /foo would render the hidden input with a value=""
> because the request parameter is actually present. Instead, since the value
> was omitted from the URI, the parameter should be absent and the input's
> value should be "blah".
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