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Date: Mon, 2 Jul 2007 10:05:59 -0400
From: "Musachy Barroso" <musachy@gmail.com>
To: "Struts Users Mailing List" <user@struts.apache.org>
Subject: Re: Has anyone tried this in S2 - THIS LOOKS A BUG
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I was digging into this, and the problem doesn't seem to be on the iterator
tag itself, when this line is executed (on IteratorComponent):

iterator = MakeIterator.convert(findValue(value));

findValue is returning an Array with an extra element at the end, null,
which is causing the extra iteration, I think. I'm not really sure why OGNL
is doing that. To be continued ...

musachy

On 7/2/07, tom tom <j_lalith@yahoo.com> wrote:
>
> Thanks,
>
> As I mentioned earlier, I need to have id,
>
> because I got if statements and logic inside, it is
> not  merely diplaying the value.
>
> This bug needs to be fixed.
>
> Till then be carefull
>
>
>
> --- Adam Ruggles <a.ruggles@gmail.com> wrote:
>
> > Have you tried this?
> >
> > <s:iterator value="#session.testArray">
> >   Value of the arry is
> >   <s:property />
> >   <br>
> > </s:iterator>
> >
> >
> >
> > tom tom wrote:
> > > I did further investigation,
> > > I think this is a bug, I think this is a very
> > scary
> > > bug.
> > >
> > > You dont need three iterators, I could reproduce
> > this
> > > very easily,
> > >
> > > In your action class have the following,
> > >
> > >  String[] testArray = new String[5];
> > >
> > >              testArray[0]="test0";
> > >              testArray[1]="test1";
> > >              testArray[2]="test2";
> > >              testArray[3]="test";
> > >
> > >
> > > session.setAttribute("testArray",testArray);
> > >
> > >
> > >  In your jsp have the following
> > >
> > >
> > > <s:iterator value="#session.testArray"
> > id="testarr">
> > >   Value of the arry is
> > >   <s:property value="#testarr"/>
> > >   <br>
> > >  </s:iterator>
> > >
> > >
> > > WHAT it prints is following Issue is for the 4th
> > index
> > > also it prints test, it should print empty
> > >
> > > Value of the arry is test0
> > > Value of the arry is test1
> > > Value of the arry is test2
> > > Value of the arry is test
> > > Value of the arry is test
> > >
> > >
> > > This is a scary behaviour for me,
> > >
> > > Has anyone reported this bug, Any JIRA issue
> > raised.
> > >
> > > Thanks
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > --- Ian Roughley <ian@fdar.com> wrote:
> > >
> > >
> > >> Take a look at the value stack via the debug tag.
> >
> > >>
> > >> Usually the property tag will keep stepping
> > through
> > >> the value stack
> > >> until a getter for the property is found (the
> > object
> > >> for the current
> > >> iteration is placed on the top of the value
> > stack).
> > >> Although, if you
> > >> are explicitly defining the object (via id and
> > >> #test) there shouldn't be
> > >> a problem.
> > >>
> > >> /Ian
> > >>
> > >> tom tom wrote:
> > >>
> > >>
> > >>> Hi,
> > >>>
> > >>> I got three iterations which I tried as below in
> > >>>
> > >> the
> > >>
> > >>> jsp, First two and Array of certain DTO and last
> > >>> iterator is a String array. There is no jsp
> > >>> compilation error, but the issue is it produced
> > >>> misleading results.
> > >>>
> > >>> Is there any limitation in S2 for the depth of
> > the
> > >>> iteration. Is this way of using recommended?
> > >>>
> > >>> Sometimes where it is suppose to print empty
> > value
> > >>>
> > >> it
> > >>
> > >>> prints something else (looks like from the
> > previous
> > >>> iterator)
> > >>>
> > >>> <s:iterator value="#session.ITER1" id="qnn">
> > >>> ....
> > >>> ....
> > >>> <s:iterator value="#qnn.ITER2" id="qa">
> > >>> ....
> > >>> ....
> > >>> <s:iterator value="#qa.ITER3" id="test">
> > >>>   <s:property value="#test" />
> > >>> </s:iterator>
> > >>>
> > >>> </s:iterator>
> > >>>
> > >>> </s:iterator>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >
> >
>
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-- 
"Hey you! Would you help me to carry the stone?" Pink Floyd

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