[jboss-dev-forums] [JBoss AS7 Development] - Re: JSP Servlet Mapping

[Shelley Baker]

Shelley Baker [http://community.jboss.org/people/shelleyb] created the discussion

"Re: JSP Servlet Mapping"

To view the discussion, visit: http://community.jboss.org/message/619716#619716

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It appears that this problem was caused by the use of the "jsp" servlet-name which I was using for testing purposes. Most likely, the "jsp" servlet-name was already reserved by the container. After I changed it to something other than "jsp," everything worked as expected.
    <servlet>
        <servlet-name>jspTest</servlet-name>
        <jsp-file>/jsp.jspx</jsp-file>
    </servlet>
    <servlet-mapping>
        <servlet-name>jspTest</servlet-name>
        <url-pattern>/jsp</url-pattern>
    </servlet-mapping>

It was a little bit surprising that this worked on Tomcat though, since my understanding was that JBoss was built on Catalina. After testing it on geronimo-tomcat7-javaee6-3.0-M1, it failed with the same error, though, so there must be something different with Tomcat. Fortunately, deploying to geronimo-jetty7-javaee5-2.2.1 gave me a much more useful exception message "org.apache.geronimo.common.DeploymentException: jsp servlet already present" that lead me to test the use of a different servlet-name.
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