0005842: jsp custom tag attributes are not re-set in a loop

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Category

Severity

Reproducibility

Date Submitted

Last Update

0005842

[Resin]

minor

always

12-29-14 09:07

12-30-14 12:39

Reporter

nam

View Status

public

Assigned To

Priority

high

Resolution

no change required

Status

closed

Product Version

4.0.41

Summary

0005842: jsp custom tag attributes are not re-set in a loop

Description

(rep by Yoo)

Custom tags are pooled in Resin, but tag attributes are only set once in the loop. This behavior is different from Tomcat.

This is an issue because user code may be changing attribute fields between loop iterations.

<%@ page pageEncoding="UTF-8"%>
<%@ taglib prefix='c' uri='http://java.sun.com/jsp/jstl/core' [^] %>
<%@ taglib prefix='aof' uri='WEB-INF/mytags.tld' %>
<%@ page import="java.util.*" %>
<%
    List<String> list = new ArrayList<String>();
    list.add("a");
    list.add("b");
    list.add("c");
%>

<c:set var="list" value="<%= list %>" />
<c:forEach var="row" items="${list}" varStatus="i">
    <c:out value="${i.index}" />: <c:out value="${row}" />, <aof:code type="print" codeGroup="TERM_TYPE" selected="${row}" />

</c:forEach>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
                        "http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd"> [^]

<taglib>
    <tlib-version>1.0</tlib-version>
    <jsp-version>1.2</jsp-version>
    <short-name>aof</short-name>

    <tag>
        <name>code</name>
        <tag-class>test.CodeTag</tag-class>
        <body-content>JSP</body-content>
        <attribute>
            <name>type</name>
            <required>true</required>
            <rtexprvalue>true</rtexprvalue>
        </attribute>
        <attribute>
            <name>codeGroup</name>
            <required>true</required>
            <rtexprvalue>true</rtexprvalue>
        </attribute>
        <attribute>
            <name>selected</name>
            <rtexprvalue>true</rtexprvalue>
        </attribute>
    </tag>

</taglib>

Additional Information

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Notes
(0006586) nam 12-30-14 12:39	This is expected behavior as required by the JSP spec. To turn off tag reuse: <web-app> <jsp recycle-tags="false"/> </web-app> jsp recycle-tags config is not working: http://bugs.caucho.com/view.php?id=5843 [^]

Issue History
Date Modified	Username	Field	Change
12-29-14 09:07	nam	New Issue
12-29-14 09:12	nam	Description Updated
12-29-14 09:14	nam	Priority	normal => high
12-29-14 09:14	nam	Description Updated
12-29-14 09:19	nam	Summary	jstl custom tag attributes are not re-set in a loop => jsp custom tag attributes are not re-set in a loop
12-30-14 12:39	nam	Status	new => closed
12-30-14 12:39	nam	Note Added: 0006586
12-30-14 12:39	nam	Resolution	open => no change required

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