web.xml

有关于tomcat数据库连接池的的基本配置

          <param-name>expires</param-name>
          <param-value>666</param-value>
        </init-param>
        <init-param>
          <param-name>isVirtualWebappRelative</param-name>
          <param-value>0</param-value>
        </init-param>
        <load-on-startup>4</load-on-startup>
    </servlet>
-->


  <!-- Common Gateway Includes (CGI) processing servlet, which supports     -->
  <!-- execution of external applications that conform to the CGI spec      -->
  <!-- requirements.  Typically, this servlet is mapped to the URL pattern  -->
  <!-- "/cgi-bin/*", which means that any CGI applications that are         -->
  <!-- executed must be present within the web application.  This servlet   -->
  <!-- supports the following initialization parameters (default values     -->
  <!-- are in square brackets):                                             -->
  <!--                                                                      -->
  <!--   cgiPathPrefix        The CGI search path will start at             -->
  <!--                        webAppRootDir + File.separator + this prefix. -->
  <!--                        [WEB-INF/cgi]                                 -->
  <!--                                                                      -->
  <!--   debug                Debugging detail level for messages logged    -->
  <!--                        by this servlet.  [0]                         -->
  <!--                                                                      -->
  <!--   executable           Name of the exectuable used to run the        -->
  <!--                        script. [perl]                                -->
  <!--                                                                      -->
  <!--   parameterEncoding    Name of parameter encoding to be used with    -->
  <!--                        CGI servlet.                                  -->
  <!--                        [System.getProperty("file.encoding","UTF-8")] -->
  <!--                                                                      -->
  <!--   passShellEnvironment Should the shell environment variables (if    -->
  <!--                        any) be passed to the CGI script? [false]     -->
  <!--                                                                      -->
  <!-- IMPORTANT: To use the CGI servlet, you also need to rename the       -->
  <!--            $CATALINA_HOME/server/lib/servlets-cgi.renametojar file   -->
  <!--            to $CATALINA_HOME/server/lib/servlets-cgi.jar             -->

<!--
    <servlet>
        <servlet-name>cgi</servlet-name>
        <servlet-class>org.apache.catalina.servlets.CGIServlet</servlet-class>
        <init-param>
          <param-name>debug</param-name>
          <param-value>0</param-value>
        </init-param>
        <init-param>
          <param-name>cgiPathPrefix</param-name>
          <param-value>WEB-INF/cgi</param-value>
        </init-param>
         <load-on-startup>5</load-on-startup>
    </servlet>
-->


  <!-- ================ Built In Servlet Mappings ========================= -->


  <!-- The servlet mappings for the built in servlets defined above.  Note  -->
  <!-- that, by default, the CGI and SSI servlets are *not* mapped.  You    -->
  <!-- must uncomment these mappings (or add them to your application's own -->
  <!-- web.xml deployment descriptor) to enable these services              -->

    <!-- The mapping for the default servlet -->
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- The mapping for the invoker servlet -->
<!--
    <servlet-mapping>
        <servlet-name>invoker</servlet-name>
        <url-pattern>/servlet/*</url-pattern>
    </servlet-mapping>
-->

    <!-- The mapping for the JSP servlet -->
    <servlet-mapping>
        <servlet-name>jsp</servlet-name>
        <url-pattern>*.jsp</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>jsp</servlet-name>
        <url-pattern>*.jspx</url-pattern>
    </servlet-mapping>

    <!-- The mapping for the SSI servlet -->
<!--
    <servlet-mapping>
        <servlet-name>ssi</servlet-name>
        <url-pattern>*.shtml</url-pattern>
    </servlet-mapping>
-->

    <!-- The mapping for the CGI Gateway servlet -->

<!--
    <servlet-mapping>
        <servlet-name>cgi</servlet-name>
        <url-pattern>/cgi-bin/*</url-pattern>
    </servlet-mapping>
-->


  <!-- ================== Built In Filter Definitions ===================== -->

  <!-- NOTE: An SSI Servlet is also available as an alternative SSI         -->
  <!-- implementation. Use either the Servlet or the Filter but NOT both.   -->
  <!--                                                                      -->
  <!-- Server Side Includes processing filter, which processes SSI          -->
  <!-- directives in HTML pages consistent with similar support in web      -->
  <!-- servers like Apache.  Traditionally, this filter is mapped to the    -->
  <!-- URL pattern "*.shtml", though it can be mapped to "*" as it will     -->
  <!-- selectively enable/disable SSI processing based on mime types.  The  -->
  <!-- contentType init param allows you to apply SSI processing to JSP     -->
  <!-- pages, javascript, or any other content you wish.  This filter       -->
  <!-- supports the following initialization parameters (default values are -->
  <!-- in square brackets):                                                 -->
  <!--                                                                      -->
  <!--   contentType         A regex pattern that must be matched before    -->
  <!--                       SSI processing is applied.                     -->
  <!--                       [text/x-server-parsed-html(;.*)?]              -->
  <!--                                                                      -->
  <!--   debug               Debugging detail level for messages logged     -->
  <!--                       by this servlet.  [0]                          -->
  <!--                                                                      -->
  <!--   expires             The number of seconds before a page with SSI   -->
  <!--                       directives will expire.  [No default]          -->
  <!--                                                                      -->
  <!--   isVirtualWebappRelative                                            -->
  <!--                       Should "virtual" paths be interpreted as       -->
  <!--                       relative to the context root, instead of       -->
  <!--                       the server root?  (0=false, 1=true) [0]        -->
  <!--                                                                      -->
  <!--                                                                      -->
  <!-- IMPORTANT: To use the SSI filter, you also need to rename the        -->
  <!--            $CATALINA_HOME/server/lib/servlets-ssi.renametojar file   -->
  <!--            to $CATALINA_HOME/server/lib/servlets-ssi.jar             -->

<!--
    <filter>
        <filter-name>ssi</filter-name>
        <filter-class>
          org.apache.catalina.ssi.SSIFilter
        </filter-class>
        <init-param>
          <param-name>contentType</param-name>
          <param-value>text/x-server-parsed-html(;.*)?</param-value>
        </init-param>
        <init-param>
          <param-name>debug</param-name>
          <param-value>0</param-value>
        </init-param>
        <init-param>
          <param-name>expires</param-name>
          <param-value>666</param-value>
        </init-param>
        <init-param>
          <param-name>isVirtualWebappRelative</param-name>
          <param-value>0</param-value>
        </init-param>
    </filter>
-->


  <!-- ==================== Built In Filter Mappings ====================== -->

  <!-- The mapping for the SSI Filter -->
<!--
    <filter-mapping>
        <filter-name>ssi</filter-name>
        <url-pattern>*.shtml</url-pattern>
    </filter-mapping>
-->


  <!-- ==================== Default Session Configuration ================= -->
  <!-- You can set the default session timeout (in minutes) for all newly   -->
  <!-- created sessions by modifying the value below.                       -->

    <session-config>
        <session-timeout>2</session-timeout>
    </session-config>


  <!-- ===================== Default MIME Type Mappings =================== -->
  <!-- When serving static resources, Tomcat will automatically generate    -->
  <!-- a "Content-Type" header based on the resource's filename extension,  -->
  <!-- based on these mappings.  Additional mappings can be added here (to  -->
  <!-- apply to all web applications), or in your own application's web.xml -->
  <!-- deployment descriptor.                                               -->

    <mime-mapping>
        <extension>abs</extension>
        <mime-type>audio/x-mpeg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>ai</extension>
        <mime-type>application/postscript</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aif</extension>
        <mime-type>audio/x-aiff</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aifc</extension>
        <mime-type>audio/x-aiff</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aiff</extension>
        <mime-type>audio/x-aiff</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>aim</extension>
        <mime-type>application/x-aim</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>art</extension>
        <mime-type>image/x-jg</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>asf</extension>
        <mime-type>video/x-ms-asf</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>asx</extension>
        <mime-type>video/x-ms-asf</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>au</extension>
        <mime-type>audio/basic</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>avi</extension>
        <mime-type>video/x-msvideo</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>avx</extension>
        <mime-type>video/x-rad-screenplay</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>bcpio</extension>
        <mime-type>application/x-bcpio</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>bin</extension>
        <mime-type>application/octet-stream</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>bmp</extension>
        <mime-type>image/bmp</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>body</extension>
        <mime-type>text/html</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>cdf</extension>
        <mime-type>application/x-netcdf</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>cer</extension>
        <mime-type>application/x-x509-ca-cert</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>class</extension>
        <mime-type>application/java</mime-type>
    </mime-mapping>
    <mime-mapping>
        <extension>cpio</extension>
        <mime-type>application/x-cpio</mime-type>