HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 55
52:
53: <c:if test="${inputedFlag}">
54: <ul>
55: <c:forEach items="${books}">
56: <li>
57: <c:out value="test" />
58: </li>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:401)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause
javax.servlet.ServletException: javax.servlet.jsp.JspTagException: Don't know how to iterate over supplied "items" in <forEach>
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:862)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.index_jsp._jspService(index_jsp.java:147)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause
javax.servlet.jsp.JspTagException: Don't know how to iterate over supplied "items" in <forEach>
org.apache.taglibs.standard.tag.common.core.ForEachSupport.toForEachIterator(ForEachSupport.java:255)
org.apache.taglibs.standard.tag.common.core.ForEachSupport.supportedTypeForEachIterator(ForEachSupport.java:219)
org.apache.taglibs.standard.tag.common.core.ForEachSupport.prepare(ForEachSupport.java:137)
javax.servlet.jsp.jstl.core.LoopTagSupport.doStartTag(LoopTagSupport.java:227)
org.apache.jsp.index_jsp._jspx_meth_c_005fforEach_005f0(index_jsp.java:334)
org.apache.jsp.index_jsp._jspx_meth_c_005fif_005f0(index_jsp.java:304)
org.apache.jsp.index_jsp._jspService(index_jsp.java:135)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.26 logs.
Apache Tomcat/6.0.26Возникла проблема при написании класса для тега forEach
JSP страница
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
...
<jsp:useBean id="books" scope="session" class="vanya.BookList" />
...
<c:if test="${inputedFlag}">
<ul>
<c:forEach var="book" items="${books}">
<li>
<a href="${book.url}">${book.title}</a>
</li>
</c:forEach>
</ul>
</c:if>основной класс:
public class Book {
public String title;
public String url;
public Book(String new_title, String new_url)
{
title = new_title;
url = new_url;
}
}класс-список для основного:
public class BookList implements Iterable<Book>
{
public ArrayList<Book> book_list;
public BookList()
{
book_list = new ArrayList<Book>(2);
book_list.add(new Book("BookTitle_01","book_01.html"));
book_list.add(new Book("BookTitle_02","book_02.html"));
}
@Override
public Iterator<Book> iterator() {
return book_list.iterator();
}
}Подскажите пожалуйста что я делаю не так.
]]>