I want to know how to configure proxy_ajp to let Apache2.1.6 working together with TOMCAT. Below is configuration I used: … <IfModule mod_proxy.c> ProxyPass /jspdir ajp://localhost:8009/jspdir ProxyPassReverse /jspdir ajp://localhost:8009/jspdir </IfModule> …. I tested with a single JSP script, and it works. However when I add more clients connect with the server, after some time, these errors occurred. … [Thu Aug 11 15:44:56 2005] [notice] Apache/2.1.6 (Unix) mod_ssl/2.1.6 OpenSSL/0.9.7e configured -- resuming normal operations [Thu Aug 11 15:45:55 2005] [error] ajp_check_msg_header() got bad signature 40 [Thu Aug 11 15:45:55 2005] [error] ajp_msg_get_uint16(): BufferOverflowException 5 4 [Thu Aug 11 15:45:55 2005] [error] ajp_ilink_receive() received bad header [Thu Aug 11 15:45:55 2005] [error] ajp_unmarshal_response: Null status [Thu Aug 11 15:45:55 2005] [error] ajp_read_header: ajp_ilink_receive failed [Thu Aug 11 15:45:55 2005] [error] (120001)APR does not understand this error code: proxy: send body failed to (null) (*) [Thu Aug 11 15:45:55 2005] [error] (120007)APR does not understand this error code: proxy: read response failed from (null) (*) [Thu Aug 11 15:45:55 2005] [error] ajp_check_msg_header() got bad signature 99b [Thu Aug 11 15:45:55 2005] [error] ajp_ilink_receive() received bad header [Thu Aug 11 15:45:55 2005] [error] ajp_read_header: ajp_ilink_receive failed [Thu Aug 11 15:45:55 2005] [error] (120007)APR does not understand this error code: proxy: read response failed from (null) (* Any ideas? Thanks, Xuekun Hu