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Glossary Term Description
URL MappingURL mapping pattern matching.

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The 2.5 Servlet specification allows us to build URL patterns in four different ways as well as applying rules when we have multiple matches for a URL pattern.

Once a match is made, matching terminates and the request is processed.

Match Type URL Pattern Rule Example Example Matches
Exact matchString that must begin with //aServlet/aServlet
Directory matchString that must begin with / and end with /*/aServlet/*/aServlet/one
/aServlet/one/two
/aServlet/one/two/somePage.html
Extension matchString that must begin with **.html/one.html
/anything/two.html
/anything/anything/three.html
Default MatchString that must just be //URLs that don't match with anything else

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