Import Tomcat Source Code into Eclipse

1.Download Tomcat source code.
2.Create a new directory: basepath.
3.set #base.path from the file build.properties  to the above basepath.
4.enter source code directory and ant.
5.after compiling successfully , you can make the two files(.project and .classpath) using executing the command: ant ide-eclipse
6. open eclipse ,import the source code.
7. change the classpath output path to TOMCAT_PROJECT/output/classes
   add the classpath variables
      ANT_HOME: navigate to ant home directory.
      TOMCAT_LIBS_BASE:navigate to base.path
8. run