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Web Component Certification (OCEJWCD)

Tomcat problem

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posted 16 years ago

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Hi everyone. I have just started preparation for SCWCD certification. I have HFSJ book. I have already ran Tomcat on my machine.
I am doing chapter-1's Servlet's Demystified on page no:30. My class compiles fine. But when I type the given link in my browser I got "The requested resource (/ch1/Serv1) is not available." My class compiles fine & the xml file is also correct. I don't know what is the problem? Can anyone please help me?

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Marc Peabody

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posted 16 years ago

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Did you test the sample applications with Tomcat to make sure Tomcat is working properly?

Also, if you post code here, we could help find any typos. The error message you are seeing simply tells us that something isn't right. Without more information, we can't help you in troubleshooting the problem.

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dolly shah

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posted 16 years ago

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Is this problem related to Windows Vista?

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Marc Peabody

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posted 16 years ago

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No. It's related to something not being set up right.

It's often a result of the web.xml having a typo or being placed in the wrong folder. But it could be just about anything.

You can either post your code and xml here or give us other information. Otherwise, there's not much we can do to help.

A good workman is known by his tools.

dolly shah

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posted 16 years ago

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Hi Marc thanks for your reply. Here I have given the web.xml file & java file respectively. Can anybody figure it out?

<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
web-app_2_4.xsd"
version="2.4">
<servlet>
<servlet-name>Chaper1 Servlet</servlet-name>
<servlet-class>Ch1Servlet</servlet-class>
</servlet>

<servlet-mapping>
<servlet-name>Chapter1 Servlet</servlet-name>
<url-pattern>/Serv1</url-pattern>
</servlet-mapping>
</web-app>

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Christophe Verré

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posted 16 years ago

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Even if the book didn't, you should put your servlet in a package

Does your directory structure looks like this : /webapps/ch1/WEB-INF/classes/Ch1Servlet.class ?

(Removed incorrect statement. Check Kedar's comment instead)

Check Tomcat's log, you might find interesting messages

[ November 06, 2007: Message edited by: Christophe Verre ]
[ November 06, 2007: Message edited by: Christophe Verre ]

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Kedar Dixit

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posted 16 years ago

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One other small typo I see is here
<servlet>
<servlet-name>Chaper1 Servlet</servlet-name>
<servlet-class>Ch1Servlet</servlet-class>
</servlet>

and then mapping is
<servlet-mapping>
<servlet-name>Chapter1 Servlet</servlet-name>
<url-pattern>/Serv1</url-pattern>
</servlet-mapping>

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dolly shah

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posted 16 years ago

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Thanks to all of you.

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