tomcat web.xml 예제

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xmlns="http://java.sun.com/xml/ns/javaee"
 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
 id="WebApp_ID" version="2.5">

    <!-- JDBC 연결을 위한 정보 -->
    <resource-ref>
        <description>OracleDatasource</description>
        <res-ref-name>jdbc/myoracle</res-ref-name>
        <res-type>javax.sql.DataSource</res-type>
        <res-auth>Container</res-auth>
    </resource-ref>

    <context-param>
        <param-name>ds</param-name>
        <param-value>jdbc/myoracle</param-vlaue>
    </context-param>

    <!-- Filter 설정 (Encoding Filter) -->
    <filter>
        <filter-name>Encoding Filter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>

    <filter-mapping>
        <filter-name>Encoding Filter</filter-name>
        <servlet-name>action</servlet-name>
    </filter-mapping>

    <!-- servlet 설정 -->
    <servlet>
        <servlet-name>action</servlet-name>
        <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
        <init-param>
            <param-name>config</param-name>
            <param-value>/WEB-INF/struts-config.xml</param-value>
        </init-param>
        <init-param>
            <param-name>debug</param-name>
            <param-value>3</param-value>
        </init-param>
        <init-param>
            <param-name>detail</param-name>
            <param-value>3</param-value>
        </init-param>
        <load-on-startup>0</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>action</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

    <!-- 세션 기간 설정 -->
    <session-config>
        <session-timeout>30</session-timeout>
    </session-config>
   
    <servlet>
      <servlet-name>adder-servlet</servlet-name>
      <servlet-class>AdderServlet</servlet-class>
    </servlet>
   
    <servlet-mapping>
        <servlet-name>adder-servlet</servlet-name>
        <url-pattern>/adder</url-pattern>
    </servlet-mapping>

    <!-- 시작페이지 설정 -->
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

    <!-- 존재하지 않는 페이지, 404에러 -->
    <error-page>
        <error-code>404</error-code>
        <location>/404.jsp</location>
    </error-page>

    <!-- 500에러 -->
    <error-page>
        <error-code>500</error-code>
        <location>/500.jsp</location>
    </error-page>

    <!-- NullpointException발생시 처리 페이지 설정 -->
    <error-page>
        <exception-type>java.lang.NullPointerException</exception-type>
        <location>/null.jsp</location>
    </error-page>

    <!-- 태그 라이브러리 설정 (JSTL"coreTag"을(를) 사용)-->
    <jsp-config>
        <taglib>
            <taglib-url>http://java.sun.com/jsp/jstl/core</taglib-url>
            <taglib-location>/WEB-INF/tld/c.tld</taglib-location>
        </taglib>
    </jsp-config>
</web-app>