please review mail list. I already provide a possible answer...
P.
-----Original Message-----
From: Sachin [mailto:[EMAIL PROTECTED]]
Sent: Thursday, July 20, 2000 10:59 AM
To: [EMAIL PROTECTED]
Subject: Re: Capitalization matching of properties and methods
Hi Jim,
I am trying to get NES 4(iplanet) installed at my place on WinNT but am
experiencing problems like Dr.Watson error in httpd.exe
Can u tell me as to how do I solve this problem? Its a bit urgent.
Sachin
----- Original Message -----
From: "Jim Preston" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, July 20, 2000 11:21 PM
Subject: Capitalization matching of properties and methods
> I've recently discovered an interesting discrepancy between JRun and
iPlanet
> regarding the use of the jsp:setProperty tag, and I was wondering if those
> who have used other JSP engines could comment on how this works in their
> experience.
>
> I have a bean, DataCenter, with a method called "setIncludedPages" (note
the
> use of standard Java naming convention).
>
> At the top of my JSP, I have the appropriate jsp:useBean tag for that
bean,
> and then a setProperty tag like this:
>
> <jsp:setProperty name="dataCenter" property="includedpages"/>
>
> Inside of a form whose action references the same JSP, I have something
like
> this:
>
> <input type="checkbox" name="includedpages" value="1">
>
> Note that both the property name and the input tag name are all lowercase,
> which is the convention that I normally follow.
>
> Under JRun, this works fine. On the recursive call to the JSP, it
correctly
> matches the parameter "includedpages" to the property "includedpages", and
> then correctly makes the call to the method "setIncludedPages", even
though
> the capitalizations don't match.
>
> Under iPlanet, however, that same JSP gets an exception from Jasper that
> says "Can't find method for includedpages".
>
> If I now edit the JSP and change the two tags in question like so
> (capitalizing the "P"):
>
> <jsp:setProperty name="dataCenter" property="includedPages"/>
> . . .
> <input type="checkbox" name="includedPages" value="1">
>
> It works under iPlanet (and, of course, continues to work under JRun). One
> might think that iPlanet (or Jasper? I'm not really sure where the
> responsibility for doing the name comparisons lies) is just doing a
> case-sensitive compare, but it's not that simple. Notice that the property
> and the input tag still have a lowercase "i", but the method name has an
> uppercase "I".
>
> I looked through the JSP spec, and didn't find anything that addresses
this
> fine point of how the various names should be compared, and/or who has the
> responsibility for doing the compare.
>
> So, has anyone else seen this weirdness? Anyone know anything definitive
> about whether the JRun way or the iPlanet way is supposed to be correct?
>
> --Jim Preston
>
>
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>
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http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
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===========================================================================
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
