Most likely it is a problem on how you are handling the request in
your action. Are you using the HttpServletRequestAware interface?
Dave is right though, it is generally bad form to make your Actions
ServletRequest dependent.
One way to fix this is to have a setter/getter for maxPageItems on
your action. That will put the submitted maxPageItems on the
ValueStack. Then in your jsp, just before your pg:pager tag use:
<s:set name="maxPageItems" value="maxPageItems" scope="request"/>
to make it accessible using JSTL EL.
and then just use ${maxPageItems} in your tag library.
On Aug 19, 2008, at 8:36 AM, red phoenix wrote:
I want to use Pager Tag Library2.0 in struts2,I set maxPageItems under
struts2.0 action,like follows:
request.setAttribute("maxPageItems","10");
return SUCCESS;
then I use maxPageItems in JSP page,like follows:
<pg:pager
items="50"
index="center"
maxPageItems="${request.maxPageItems}"
maxIndexPages="10"
isOffset="<%= true %>"
export="offset,currentPageNumber=pageNumber"
scope="request">
......
</pg:pager>
When I run above code,it raise error:
22: <%@ include file="/pages/common/common.jsp" %>
23: <%@ taglib uri="http://jsptags.com/tags/navigation/pager";
prefix="pg" %>
24:
25: <pg:pager
26: items="50"
27: index="center"
28: maxPageItems="${request.maxPageItems}"
Stacktrace:
org
.apache
.jasper
.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:
524)
org
.apache
.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:435)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:
320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org
.apache
.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:
413)
root cause
java.lang.ArithmeticException: / by zero
com.jsptags.navigation.pager.PagerTag.pageNumber(PagerTag.java:334)
I have set the value maxPageItems,why it can't be used with
${request.maxPageItems} in pager tag?
How to use pager tag in struts2? Anybody could give me a example?
Thanks in advance!
Best Regards,
phoenix
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