Hello everybody.
We are still using Tomcat 4.1 and JDK 1.4.2 for a web application.
I'm trying to modernize this now and switch to Tomcat 5.x or 6 and
JRE/JDK 1.6 (Java 6).
While I was successful with Tomcat 4.1 and JDK 1.6, whenever I try to
use Tomcat 5.x or 6, I receive error messages like below, when pushing a
button (which will call a new page) in most of our "wizard" dialogs.
I changed web.xml to refer to web-app version 2.4 (.../web-app_2_4.xsd).
The error messages look like this:
org.apache.jasper.JasperException:
/wizard/manualAssignment/assignOrder.jsp(76,0) The name attribute of the
jsp:param standard action does not accept any expressions
at
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
at
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
at
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:238)
at
org.apache.jasper.compiler.Validator$ValidateVisitor.throwErrorIfExpression(Validator.java:1157)
at
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:423)
at org.apache.jasper.compiler.Node$ParamAction.accept(Node.java:927) at
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213) at
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:446)
at org.apache.jasper.compiler.Node$IncludeAction.accept(Node.java:1002)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213) at
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:716)
at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441) at
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213) at
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219) at
org.apache.jasper.compiler.Node$Root.accept(Node.java:456) at
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at
org.apache.jasper.compiler.Validator.validate(Validator.java:1475) at
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:214) at
org.apache.jasper.compiler.Compiler.compile(Compiler.java:495)
.....
When I look into that file (assignOrder.jsp) there is - in line 77 -
after an <jsp:include ...> in line 76 a
<jsp:param name="<%= [some variable] %>" value="<%= [some expression ] %>"/>
Isn't this possible in Tomcat 5 and above?
Why?
I found some spec for jsp:param where it was explicity stated,
that "value" can be an <%= %> expression, but "name" cannot ... for JSP
1.2 which was used by Tomcat 4.1.
So is Tomcat 5.x and above just more strict in checking this?
Is there a way to tell Tomcat 5.x/6 to be "compatible" to Tomcat 4.1 (be
less strict)?
Thanks for any help!
With kind regards,
Harald Henkel
GS automation GmbH
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