Chapter 5: Basic Tomcat Confi guration Configuring the

Chapter 5: Basic Tomcat Confi guration Configuring the Invoker Servlet The invoker servlet can be used to load and execute any servlet directly, using a URL similar to the following: http:////servlet/ Because of its capability to invoke any servlet directly (with or without prior configuration within a Web application) the invoker servlet is considered a major security risk in production systems. Therefore, this servlet should be used only in test configurations. Tomcat 6 s default web.xmlfile has the invoker servlet configuration commented out for this security-related reason. You can uncomment it and enable the servlet on test configurations. The invoker servlet is configured as follows: invoker org.apache.catalina.servlets.InvokerServlet
debug 0
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–> Configuring the Jsp Servlet The JspServlet converts JSP pages to servlets and executes them. This servlet has a development code name of Jasper but is frequently referred to as Japser. Jasper is used to process JSP pages. The following web.xmlsegment shows the configuration of this servlet: jsp org.apache.jasper.servlet.JspServlet
fork false

xpoweredBy false
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Other initialization parameters for Jasper that are used frequently are explained in the following table.

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