https://issues.apache.org/bugzilla/show_bug.cgi?id=49081
Summary: EL expression preceded by a # in an attribute value of
jsp documents
Product: Tomcat 6
Version: 6.0.26
Platform: HP
OS/Version: Windows XP
Status: NEW
Severity: regression
Priority: P2
Component: Jasper
AssignedTo: [email protected]
ReportedBy: [email protected]
Behaviour detected in versions 6.0.24 and 6.0.26 of Tomcat. Behaviour not
present in version 6.0.20 and previous.
In a jsp document (jspx), version 2.1 or 2.0, when in an attribute value you
specify an EL expression with immediate evaluation (${...}) preceded by a #
character, the EL expression is treated as a literal.
See this example:
<?xml version="1.0" encoding="UTF-8" ?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page";
version="2.0">
<jsp:output omit-xml-declaration="false" doctype-root-element="html"
doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN"
doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"; />
<jsp:directive.page contentType="text/html; charset=UTF-8" session="false" />
<html xmlns="http://www.w3.org/1999/xhtml"; lang="it">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Title</title>
</head>
<body>
<input type="text" value="#${1+1}"/>
</body>
</html>
</jsp:root>
The rendered input field contains the text "#${1+1}" (without quotes), while i
expected the text "#2" (without quotes): the # character treated as a literal
and ${1+1} treated as an eval-expression.
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