web can't work after installed tomcat5!

[mikezang]

I installed tomcat5 yesterday, then I can browse jsp-examples, only first page, not anyone examples in that jsp page. then I poweroff my server.
now I start my server again, I found that I can't browse anypage even original apache pages, so that I stop the tomcat5, but I still can't access my page, the error is 500 Internal Server Error, I checked error.log as below:
[Fri Dec 02 22:01:10 2005] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Fri Dec 02 22:01:13 2005] [notice] Digest: generating secret for digest authentication ...
[Fri Dec 02 22:01:13 2005] [notice] Digest: done
[Fri Dec 02 22:01:13 2005] [notice] LDAP: Built with OpenLDAP LDAP SDK
[Fri Dec 02 22:01:13 2005] [notice] LDAP: SSL support unavailable
[Fri Dec 02 22:01:14 2005] [notice] mod_python: Creating 4 session mutexes based on 256 max processes and 0 max threads.
[Fri Dec 02 22:01:16 2005] [notice] Apache/2.0.54 (Fedora) configured -- resuming normal operations

I also checked access.log as below:
192.168.1.1 - - [02/Dec/2005:22:03:33 +0900] "GET / HTTP/1.1" 500 624 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)"
192.168.1.100 - - [02/Dec/2005:22:04:25 +0900] "GET / HTTP/1.1" 500 620 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)"
192.168.1.100 - - [02/Dec/2005:22:04:44 +0900] "GET /jsp-examples/ HTTP/1.1" 500 620 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)"192.168.1.100 - - [02/Dec/2005:22:04:54 +0900] "GET /jsp-examples/index.jsp HTTP/1.1" 500 620 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)"
192.168.1.100 - - [02/Dec/2005:22:04:59 +0900] "GET /jsp-examples/index.html HTTP/1.1" 500 620 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)"

Please help me to restore my web server! help me, please!

[mikezang]

I found the reason, that I modified JMount /*.jsp to /*