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From "Howard M. Lewis Ship (JIRA)" <...@tapestry.apache.org>
Subject [jira] Commented: (TAPESTRY-2085) Empty textfield submits null value
Date Fri, 01 Feb 2008 23:31:08 GMT

    [ https://issues.apache.org/jira/browse/TAPESTRY-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12564976#action_12564976
] 

Howard M. Lewis Ship commented on TAPESTRY-2085:
------------------------------------------------

One problem with the examples from the mailing list is the encoding of a blank string into
the URL; this shows up as two adjacent slashes and that's just asking for trouble.  This will
not be allowed.

> Empty textfield submits null value
> ----------------------------------
>
>                 Key: TAPESTRY-2085
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-2085
>             Project: Tapestry
>          Issue Type: Bug
>    Affects Versions: 5.0.10
>            Reporter: Kevin Menard
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>
> This was initially reported on the dev list by Geoff Callender.
> When submitting a form containing a textfield and nothing has been typed into that textfield,
the value will be submitted as null rather than the empty string.  In past version, the empty
string would be submitted.
> The net result is NPEs and coercion issues.  If the textfield is bound to a String and
that String is used without checking for null, an NPE will result when none used to.  If the
textfield is bound to any other type, such as an Integer, the Tapestry type coercer will fail
with an appropriate exception (e.g., NumberFormatException).

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