https://issues.apache.org/bugzilla/show_bug.cgi?id=54801
Bug ID: 54801
Summary: EL-like expressions in jsp:scriptlet break compilation
of tag files using XML syntax
Product: Tomcat 7
Version: 7.0.39
Hardware: PC
OS: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
Assignee: dev@tomcat.apache.org
Reporter: knst.koli...@gmail.com
Classification: Unclassified
Created attachment 30152
--> https://issues.apache.org/bugzilla/attachment.cgi?id=30152&action=edit
helloWorld.tagx
Steps to reproduce:
1. Go to webapps\examples\WEB-INF\tags\
2. Delete "helloWorld.tag" file and put there "helloWorld.tagx" file attached
to this issue.
The file contains the following plus AL header:
<?xml version="1.0" encoding="utf-8" ?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"; version="2.0">
<jsp:scriptlet><![CDATA[//
// ${foo}
out.println("Hello, world!!");
]]></jsp:scriptlet>
</jsp:root>
3. Start Tomcat and try to open the following page in a browser:
http://localhost:8080/examples/jsp/jsp2/tagfiles/hello.jsp
ACTUAL result:
in current TC8 trunk:
org.xml.sax.SAXException: Body of scriptlet element must not contain any XML
elements
org.apache.jasper.compiler.JspDocumentParser.checkScriptingBody(JspDocumentParser.java:1332)
org.apache.jasper.compiler.JspDocumentParser.endElement(JspDocumentParser.java:650)
This behaviour is caused by "${foo}" being present inside the scriptlet. If I
remove that line, the page is displayed successfully.
EXPECTED RESULT
I think EL expressions should not be recognized inside of jsp:scriptlet,
jsp:declaration or jsp:expression and should not trigger such an error.
As a confirmation, the following "helloWorld.tag" in JSP syntax compiles and
executes successfully. Thus this issue is with XML syntax only,
<%
// ${foo}
%>
Hello, world!++
Alternative solution could be to change the error message, but I think it is
not the issue here,
s/ any XML elements / any XML elements or EL expressions/
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