Fwd: JSP Compilation issue after upgrade from 6.0.18 to 6.0.20

Alexander Hartner Sun, 25 Oct 2009 02:56:25 -0700

I put a little sample application together which has this issue. It works perfectly on 6.0.18 but not on 6.0.20. I did however get Charles example working as well. So it can find the class in one JSP, but not the JSP fragment.


BuggyTomcat.zip


Begin forwarded message:

From: Alexander Hartner <a...@j2anywhere.com>
Date: 25 October 2009 09:17:27 GMT
To: "Tomcat Users List" <users@tomcat.apache.org>
Cc: "Caldarale, Charles R" <chuck.caldar...@unisys.com>
Subject: Re: JSP Compilation issue after upgrade from 6.0.18 to 6.0.20

Hi Charles,
Thanks for your reply. I agree with you about moving tools.jar being a really bad idea, but after several hours of struggling I figured I might as well try it.
My application uses a jspf fragement with this code in it.

<%...@page import="java.util.*"%>
<%!
LinkedHashMap<String,String> menuItems = new LinkedHashMap<String,String>();
public void jspInit()
{
  menuItems.put("/","Home");
  menuItems.put("/projects/abs/index.jsp","Features");
  menuItems.put("/downloads/index.jsp","Download");
  menuItems.put("/store/index.jsp","Store");
  menuItems.put("/support/index.jsp","Support");
  menuItems.put("/docs/index.jsp","Docs");
  menuItems.put("/partners/index.jsp","Partners");
}
%>

This fragment is included in the header.jspf using :

</div>
<%...@include file="menu.jspf"%>
<%...@include file="sidebar.jspf"%>

which is declared as the prelude in the web.xml file.

  <jsp-config>
    <jsp-property-group>
      <display-name>ContentPages</display-name>
      <url-pattern>*.jsp</url-pattern>
      <include-prelude>/header.jspf</include-prelude>
      <include-coda>/footer.jspf</include-coda>
    </jsp-property-group>
  </jsp-config>

I will try your suggestion an add the extra property and let you know.

Thanks for your help
Alex


On 25 Oct 2009, at 02:44, Caldarale, Charles R wrote:
From: Alexander Hartner [mailto:a...@j2anywhere.com]
Subject: JSP Compilation issue after upgrade from 6.0.18 to 6.0.20
When I deploy my application on Tomcat 6.0.18 it all works just fine, however after upgrading to Tomcat 6.0.20 I get the following exception
When you have a problem like this, you might find something pertinent in the changelog; however, nothing popped out at me when I looked.
org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 3 in the jsp file: /menu.jspf
LinkedHashMap cannot be resolved to a type
1: <%...@page import="java.util.*"%>
Hmmm... I tried this simple JSP file under 6.0.20 with no problems:

<html>
<%@ page session="false" import="java.util.*"%>
<%!
LinkedHashMap<String, String> menuItems = new LinkedHashMap<String, String>();
public void jspInit() {
 menuItems.put("testKey", "testVal");
} %>
<body>
<p> testKey: <%= menuItems.get("testKey") %>
</body>
</html>
Perhaps there's a problem with whatever .jsp is pulling in the .jspf segment. Might try setting the system property:
   org.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING
to false to see if that has an effect.
I also tried moving the tools.jar to the lib folder as was
suggested on several posts I found online
Whoever suggested that is clueless about how classloaders work - that's an extremely bad idea, always. Also note that Tomcat has not required the use of tools.jar since 5.5 came out.
- Chuck
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Fwd: JSP Compilation issue after upgrade from 6.0.18 to 6.0.20

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