Thanks for the feedback, i suspected this as well but I've been unable to get
it working. I tried it in several ways, first by adding an Integer to my
Spring MVC model. That got the same exception, then i tried to make it as
simple as possible with the following JSP code:
<% Integer listCount = new Integer(7);%><display:table name="results.list"
id="txResults" sort="external" defaultsort="1" export="true" pagesize="5"
requestURI="" partialList="true" size="listCount">
...
(I also tried with size="${listCount}")
This still generated the same exception.
Does anyone have a working example of partialLists implemented anywhere? I
can't find a war file example, the displaytag example are lacking this recent
feature.
Paul
Date: Wed, 5 Dec 2007 08:08:58 -0500
From: [EMAIL PROTECTED]
To: displaytag-user@lists.sourceforge.net
Subject: Re: [displaytag-user] partial lists
Take a look at the documentation:
http://displaytag.sourceforge.net/11/tut_externalSortAndPage.html
I believe that when implementing in this fashion that the size
parameter must be set to the name of variable that is a java.lang.Integer
that is in a scope accessible by Displaytag.
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Peter
Rumstle
Sent: Tuesday, December 04, 2007 9:54 PM
To:
displaytag-user@lists.sourceforge.net
Subject: [displaytag-user]
partial lists
Hi,
I just started using displaytag and this mailing
list. I'm getting a massive headache trying to get External paging/sorting
working. It seems to make sense in the documentation, but I'm getting the
following error from my jsp page:
Caused by:
javax.servlet.jsp.JspTagException: You must specify one of the following:
size
at org.displaytag.tags.TableTag.initParameters(TableTag.java:966)
at org.displaytag.tags.TableTag.doStartTag(TableTag.java:722)
at
org.apache.jsp.WEB_002dINF.jsp.txsearch_jsp._jspService(txsearch_jsp.java:620)
I
am specifying that parameter, but it doesn't seem to recognize it. (This
was working fine before I tried to use external paging with partial lists) Here
is my table tag on the offending line of jsp code:
<display:table
name="results.list" id="txResults" sort="external" defaultsort="1"
export="true"
pagesize="5" requestURI="" partialList="true"
size="7">
I've tried many different things including
different expressions for size, and as in this example, just hard coding the
correct value also changing the order of the attributes.
I've also looked
at the source code and the mailing list archives without solving the
problem. This dead thread seems to show the same unresolved
issue:
http://www.mail-archive.com/displaytag-user@lists.sourceforge.net/msg05950.html
The
author of that thread gave up :-( to implement it
themselves.
The line of code in the displaytag source where it is
failing is
org.displaytag.tags.TableTag.initParameters(TableTag.java:966)
I've
copied that line and the surrounding code below but I can't figure out anything
from it.
Please help me or I fear I will suffer the same fate as the
previous poster and have to abandon use of displaytag entirely.
-
Peter
------------------------------------
// if we are doing partialLists then ensure we have our *) object
if (this.partialList)
{
if ((this.sizeObjectName == null) && (this.size == null))
{
// ?
}
if (this.sizeObjectName != null)
{
// retrieve the object from scope
this.size = evaluateExpression(this.sizeObjectName);
}
if (size == null)
{
throw new JspTagException(Messages.getString("MissingAttributeException.msg",
new Object[]{"size"})); // THIS IS WHERE THE EXCEPTION COMES
FROM!!!
}
else if (!(size instanceof Integer))
{
throw new JspTagException(Messages.getString(
"InvalidTypeException.msg",
new Object[]{"size", "Integer"}));
}
}
------------------------------------
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