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JavaRanch » Java Forums » Certification » Web Component Certification (SCWCD/OCPJWCD)
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Question about example in SCWCD Exam Study Kit

joe black
Ranch Hand

Joined: Dec 03, 2003
Posts: 103
I just started reading 'SCWD Exam Study Kit.' I'm trying to get the hello world servlet to work in the first chapter, but Tomcat 5 gives me the message "The requested resource (/chapter01/servlet/HelloWorldServlet) is not available." What am I missing?
Nathan Pruett
Bartender

Joined: Oct 18, 2000
Posts: 4121

If there was a problem parsing your web.xml deployment descriptor (or any of several other problems) Tomcat won't load your web-app, so the servlet won't "exist". Error messages go into the logs in the TomcatDirectory/logs directory... check for any error stack traces related to your application.


-Nate
Write once, run anywhere, because there's nowhere to hide! - /. A.C.
Satishkkk Kumar
Greenhorn

Joined: Jun 21, 2005
Posts: 1
Hi,
I am new to New to java. I am getting the same problem. My log is showing the meessages

INFO: JK: ajp13 listening on /0.0.0.0:8009
Jun 21, 2005 11:09:28 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/140 config=null
Jun 21, 2005 11:09:28 PM org.apache.catalina.storeconfig.StoreLoader load
INFO: Find registry server-registry.xml at classpath resource
Jun 21, 2005 11:09:29 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2953 ms
Jun 21, 2005 11:56:33 PM org.apache.catalina.startup.HostConfig checkResources
INFO: Reloading context [/chapter01]

I am using the example from the book. Thanks in advcance for any help.
Narendra Dhande
Ranch Hand

Joined: Dec 04, 2004
Posts: 950
Hi,

This happens when we use the Tomcat 5 or later. The reason is the default sevlet handling invoke servlet is disabled for this versions. so the url os the type ..../servlet/somservlet will not execute by default. We have to define the <servlet-mapping> in the web.xml for the servlet. Without <servlet-mapping> it will not map the servlet to URL.

Yo can uncomment the default Invoker servlet which define the mapping <servlet-mapping>/servlet/*</servlet-mapping>. I had tried this, but I forgot where I had uncommented this. ( I think in default web.xml)

Thanks


Narendra Dhande
SCJP 1.4,SCWCD 1.4, SCBCD 5.0, SCDJWS 5.0, SCEA 5.0
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Question about example in SCWCD Exam Study Kit