i am doing apache 2.0 tomcat clustering with load balancing i am getting error like this when i start my apache server [ Starting httpd: httpd: Syntax error on line 148 of /etc/httpd/conf/httpd.conf: Cannot load /etc/httpd/modules/mod_jk.so into server: /etc/httpd/modules/mod_jk.so: invalid ELF header] this is my error and i am completely new to this .can any one help me.. i am using fedora 8 os. regards, tejendra prasad