[users@httpd] how to use ab to test webservices method

[Harsimranjit singh Kler]

i have httpd 2.2.17 ,modjk and tomcat setup.My application expose wsdl
which has set of method.

how i can use ab to test load and hit concurrent requests on my webservice?

i can test for static html file like this:

ab -n 500 -c 100 http://10.71.10.22:10002/index.html

but how to invoke wsdl method.Any help?