If you use multiple instance Tomcat's feature, this may be the case.
In Windows I'm using a single instance of tomcat, there's no CATALINA_BASE so it should be the same as CATALINA_HOME if I understand correctly.
Then I don't know... My installation is that:
Win2K Java is 1.4.1_01 CATALINA_HOME=D:\Tomcat-5.0.16 CATALINA_BASE=D:\Projects\CA (or any other)
%CATALINA_BASE%\shared\lib contains jars needed by most applications, and that classes are visible to application. Removing CATALINA_BASE variable and placing jars into %CATALINA_HOME%\shared\lib still works.
I just wrote a simple servlet that looks for the class whose name is passed as parameter.
<IsThereThisClass.java> package org.unchqua.test.servlet;
import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;
public class IsThereThisClass extends HttpServlet {
public void doGet (HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setContentType("text/plain");
PrintWriter out=resp.getWriter();
String cn=req.getParameter("cn");
ClassLoader cnLoader=null;
if (cn==null) {
out.println("No class name given, I want \"cn\" parameter");
return;
}
out.print("The class \""+cn+"\" is");
try {
cnLoader=this.getClass().getClassLoader().loadClass(cn)
.getClassLoader();
}
catch (ClassNotFoundException cnfe) {
out.print(" not");
}
out.println(" found");
if (cnLoader!=null) {
out.println("Loader:\n--\n"+cnLoader+"--");
}
}} </IsThereThisClass.java>
Map it to any working application and call it like classfind?cn=com.example.your.package.YourClass to see if it is visible to any webapp's classloader.
What exactly the moment when CNFE is thrown? You said that the applications is not even start due to CNFE, so that classes are needed during deployment or while normal application functioning?
In Linux I'm using a single binary of tomcat and have the jar in CATALINA_BASE/shared/lib.
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