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JSP Servlet Mapping
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created by <a href="http://community.jboss.org/people/shelleyb">Shelley Baker</a> in <i>JBoss AS7 Development</i> - <a href="http://community.jboss.org/message/619707#619707">View the full discussion</a>
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<div class="jive-rendered-content"><p>When mapping a servlet to a <tt>jsp-file</tt> rather than a <tt>servlet-class</tt> on JBoss AS 7, the servlet is marked as unavailable due to the following exception: "<tt>javax.servlet.ServletException: No servlet class has been specified for servlet jsp</tt>."</p><pre class="jive-pre"><code class="jive-code">12:29:36,992 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/jsp-test]] (MSC service thread 1-10) Servlet /jsp-test threw load() exception: javax.servlet.ServletException: No servlet class has been specified for servlet jsp
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1149) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1102) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3631) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:3844) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:70) [jboss-as-web-7.0.0.Final.jar:7.0.0.Final]
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1765)
    at org.jboss.msc.service.ServiceControllerImpl$ClearTCCLTask.run(ServiceControllerImpl.java:2291)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_26]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_26]
    at java.lang.Thread.run(Thread.java:662) [:1.6.0_26]
</code></pre><p style="margin-top: 1em;">The servlet mapping is as follows in my 2.5 web deployment descriptor:</p><pre class="jive-pre"><code class="jive-code jive-xml">    <span class="jive-xml-tag"><servlet></span>
        <span class="jive-xml-tag"><servlet-name></span>jsp<span class="jive-xml-tag"></servlet-name></span>
        <span class="jive-xml-tag"><jsp-file></span>/jsp.jspx<span class="jive-xml-tag"></jsp-file></span>
    <span class="jive-xml-tag"></servlet></span>
    <span class="jive-xml-tag"><servlet-mapping></span>
        <span class="jive-xml-tag"><servlet-name></span>jsp<span class="jive-xml-tag"></servlet-name></span>
        <span class="jive-xml-tag"><url-pattern></span>/jsp<span class="jive-xml-tag"></url-pattern></span>
    <span class="jive-xml-tag"></servlet-mapping></span>
</code></pre><p style="margin-top: 1em;">The servlet specification allows servlets to be mapped to <em>either</em> a <tt>servlet-class</tt> or <tt>jsp-file</tt>, so the web.xml itself is valid. I'm wondering why the exception seems to indicate that a servlet class must be specified.  Also note that this code deploys and runs correctly on Tomcat 7 and WAS 7. Is there something else that I need to configure to allow this servlet to load?</p></div>
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