servlet filter mapping rules

servlet filter mapping rules

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A nice document on matching rules

a request may match more than one mapping

An exact match is prefered over the wild card

Prefers the longest match

Prefers path matches over file type matches

If none matches it can invoke a default servlet specified as path "/"


<servlet-mapping>
   <servlet-name>SomeDefaultServlet</servlet-name>
   <url-pattern>/</url-pattern>
</servlet-mapping>