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Simple servlet implementation

Gina davis
Greenhorn

Joined: Feb 24, 2006
Posts: 1
Hi,
I am a beginner in the servlet world. I have installed Tomcat4.1 in my computer. Can any one tell me how to implement the "Helloworld" servlet with a link to a simple html "submit" button? It would be a great help for a beginner.
Zip Ped
Ranch Hand

Joined: Jul 26, 2005
Posts: 336
I would recommend you to read the Head First Servlets and JSP book.

In short though, you need to set up TOMCAT_HOME, JAVA_HOME in your environment variables. Google for more info on those variables.

You need to have a Deployment Descriptor named web.xml which provides the mapping between your form(HTML page) and the Servlet.

more info : http://javaboutique.internet.com/tutorials/JSP/part03/
Maki Jav
Ranch Hand

Joined: May 09, 2002
Posts: 435
hi,

Simply put
1) in the webapps folder make "mysite" folder, in that make "WEB-INF" folder and in that classes forlder

webapps
+ mysite
+ WEB-INF
+ classes


2) create a simple html file with action set to "http://localhost:8080/mysite/servlet/HelloServlet" and save it as index.html

the code will be...

<form action="http://localhost:8080/mysite/servlet/HelloServlet" method=get>
<input type=submit value="Go To Servlet">
</form>

3) create and compile a simple servlet


This servlet must have a doGet() method which print out the "Hello World"
message to client. This servlet class has to be in classes folder.

4) have web.xml (web descriptor) file in WEB-INF folder

5) go to your html page by typing http://localhost:8080/mysite/ in the web browser after starting tomcat and bingo....

For details do read the recommended book...

Maki Jav


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