Pessoal, nunca mexi com o xml, mas peguei a fj21 e estou tentando mapear os erros, mas quando é para serem disparados, nada ocorre.
Segue o xml.
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 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">
<display-name>CaelumFJ21</display-name>
<servlet>
<servlet-name>primeiraServlet</servlet-name>
<servlet-class>br.com.fj21.servlet.OiMundo</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>primeiraServlet</servlet-name>
<url-pattern>/oi</url-pattern>
</servlet-mapping>
<servlet>
<display-name>NovoMundo</display-name>
<servlet-name>NovoMundo</servlet-name>
<servlet-class>br.com.fj21.servlet.NovoMundo</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>NovoMundo</servlet-name>
<url-pattern>/boi</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>AdicionaContato</servlet-name>
<servlet-class>br.com.fj21.servlet.AdicionaContato</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>AdicionaContato</servlet-name>
<url-pattern>/contato</url-pattern>
</servlet-mapping>
<error-page>
<exception-type>java.lang.Exception</exception-type>
<location>/erro.html</location>
</error-page>
<error-page>
<error-code>404</error-code>
<location>/404.html</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/500.html</location>
</error-page>
</web-app>
a partir das tags de erro nada funciona, já o resto, funciona perfeitamente
tanto adicionar quanto a chamada pela uri com /
