[RESOLVIDO]Dúvida apostila caelum f-21 capitulo 5

Programação Java
#1

Estou estudando a apostila da caelum f-21, mas fiquei com uma dúvida entre as páginas 55 e 56 da apostila, onde no pdf fica como página 67 e 68.

Na parte onde é feito o mapeamento da URL é manda fazer o seguinte código

<servlet>
	<servlet-name>servletOlaMundo</servlet-name>
	<servlet-class>
		br.com.caelum.servlet.OlaMundo
	</servlet-class>
</servlet>

<servlet-Mapping>
	<servlet-name>servletOlaMundo</servlet-name>
	<url-pattern>/ola</url-pattern>
</servlet-Mapping>

só que dentro do arquivo já existe o código

<?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>caelum-fj21-agenda</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
</web-app>

Ai fiquei sem saber onde colocar o código já que existe um código dentro do arquivo, tentei coloca-lo antes do que já existia, depois, no meio, então onde eu devo colocar o código que apostila manda eu gerar em meio ao que já existe dentro do arquivo web.xml?

OBS: Ao eu deixar apenas o que o apostila manda e tirar o já existente também não da certo.

Editado: A sim ao colocar o primeiro código do posto no arquivo recebo um erro
“The markup in the document following the root element must be well-formed.”

#2

Estranho…teoricamente deveria funcionar. Dessa forma aqui:

<?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>caelum-fj21-agenda</display-name>
	
	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.htm</welcome-file>
		<welcome-file>index.jsp</welcome-file>
		<welcome-file>default.html</welcome-file>
		<welcome-file>default.htm</welcome-file>
		<welcome-file>default.jsp</welcome-file>
	</welcome-file-list>
	
	<servlet>
		<servlet-name>servletOlaMundo</servlet-name>
		<servlet-class>br.com.caelum.servlet.OlaMundo</servlet-class>
	</servlet>

	<servlet-Mapping>
		<servlet-name>servletOlaMundo</servlet-name>
		<url-pattern>/ola</url-pattern>
	</servlet-Mapping>

</web-app>
#3

[quote=Arthur F. Ferreira]Estranho…teoricamente deveria funcionar. Dessa forma aqui:

[code]

<?xml version="1.0" encoding="UTF-8"?> 
<display-name>caelum-fj21-agenda</display-name>

<welcome-file-list>
	<welcome-file>index.html</welcome-file>
	<welcome-file>index.htm</welcome-file>
	<welcome-file>index.jsp</welcome-file>
	<welcome-file>default.html</welcome-file>
	<welcome-file>default.htm</welcome-file>
	<welcome-file>default.jsp</welcome-file>
</welcome-file-list>

<servlet>
	<servlet-name>servletOlaMundo</servlet-name>
	<servlet-class>br.com.caelum.servlet.OlaMundo</servlet-class>
</servlet>

<servlet-Mapping>
	<servlet-name>servletOlaMundo</servlet-name>
	<url-pattern>/ola</url-pattern>
</servlet-Mapping>
[/code][/quote]

Dessa forma ele me da um erro assim:

cvc-complex-type.2.4.a: Invalid content was found starting with element ‘servlet-Mapping’. One of ‘{“http://java.sun.com/xml/ns/javaee”:description, “http://java.sun.com/xml/ns/
javaee”:display-name, “http://java.sun.com/xml/ns/javaee”:icon, “http://java.sun.com/xml/ns/javaee”:distributable, “http://java.sun.com/xml/ns/javaee”:context-param, “http://
java.sun.com/xml/ns/javaee”:filter, “http://java.sun.com/xml/ns/javaee”:filter-mapping, “http://java.sun.com/xml/ns/javaee”:listener, “http://java.sun.com/xml/ns/javaee”:servlet, “http://
java.sun.com/xml/ns/javaee”:servlet-mapping, “http://java.sun.com/xml/ns/javaee”:session-config, “http://java.sun.com/xml/ns/javaee”:mime-mapping, “http://java.sun.com/xml/ns/
javaee”:welcome-file-list, “http://java.sun.com/xml/ns/javaee”:error-page, “http://java.sun.com/xml/ns/javaee”:jsp-config, “http://java.sun.com/xml/ns/javaee”:security-constraint, “http://
java.sun.com/xml/ns/javaee”:login-config, “http://java.sun.com/xml/ns/javaee”:security-role, “http://java.sun.com/xml/ns/javaee”:env-entry, “http://java.sun.com/xml/ns/javaee”:ejb-ref,
“http://java.sun.com/xml/ns/javaee”:ejb-local-ref, “http://java.sun.com/xml/ns/javaee”:service-ref, “http://java.sun.com/xml/ns/javaee”:resource-ref, “http://java.sun.com/xml/ns/
javaee”:resource-env-ref, “http://java.sun.com/xml/ns/javaee”:message-destination-ref, “http://java.sun.com/xml/ns/javaee”:persistence-context-ref, “http://java.sun.com/xml/ns/
javaee”:persistence-unit-ref, “http://java.sun.com/xml/ns/javaee”:post-construct, “http://java.sun.com/xml/ns/javaee”:pre-destroy, “http://java.sun.com/xml/ns/javaee”:message-
destination, “http://java.sun.com/xml/ns/javaee”:locale-encoding-mapping-list}’ is expected.

Naqueles erros que a própria IDE monstra ao lado esquerdo do código, ao lado do

#4

Ah cara!!! O “M” de servlet-mapping tem de ser minúsculo!!! rs

#5

vlw Arthur F. Ferreira vc eh 10!

( que erro noob o meu :XD: )

#6