Question

I have 2 project in my eclipse work_space.
Project A:Source of Apache Tomcat by a little edit[and have some dependent jars].
Project B: A small project call one method[One method of project A’s methods].

So when I used Project A in Project B(added to BuildPAth’s projects) or test this method in project A that work. But When project B used exported project A’s jar file DOESN’T Work(only remove project A from project B’s BuildPath and add A’s jar file).
Exception which throw is:

   Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/tools/ant/util/FileUtils
    at org.apache.jasper.JspC.resolveFile(JspC.java:1602)
    at org.apache.jasper.JspC.setOutputDir(JspC.java:863)
    at org.apache.jasper.JspC.setArgs(JspC.java:276)
    at org.apache.jasper.JspC.main(JspC.java:241)
    at jspCompiler.pars(jspCompiler.java:65)
    at jspCompiler.main(jspCompiler.java:100)
    at maintst.main(maintst.java:11)
Caused by: java.lang.ClassNotFoundException: org.apache.tools.ant.util.FileUtils
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 7 more

Where is problem?

EDIT

Maintst.java

import jspParser.jspCompiler;
public class maintst { 
  public static void main(String[] args) throws Exception { 
    jspCompiler cmp=new jspCompiler();
    cmp.main(new String[]{"F:\\arshad droos\\Thesis\\secureBranch\\personalblog\\build","F:\\arshad droos\\Thesis\\secureBranch"}); 
  }
}

Answer 1

Browsing the code of Apache Tomcat i could not find the find org.apache.tools.ant.util.FileUtils. Since running from eclipse works, this probably means is that Project A has some jar in the build path which has this file. Find it, put in in the build path of Project B and things should work.