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Web Component Certification (OCEJWCD)

HFSJ-Mini MVC doubt

Greenhorn

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posted 18 years ago

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Hi,
I'm preparing for scwcd, I'm new to servelets/jsp's. I'm trying to do the mini mvc project given in 3rd chapter of HFSJ book. I followed exactly what is mentioned in the book. Everything working fine but, I'm not getting any response after clicking "SubmitQuery" button in the "http://localhost:8080/Beer-v1/form.html".I wrote same code in BeerSelect.java as mentioned in the book. Anything else to be done? Please clarify.

Thanks,
Sanjana.

Chandra Sagi

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posted 18 years ago

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Hi

Do you have your Tomcat server running and able to see default page when you type in http://localhost:8080

When you say you are not getting any response is it a blank page or a Page Not Found error. Please be clear.

Thanks
Chandu

Marc Peabody

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posted 18 years ago

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It's hard to trust that your code is identical to the book when you say you click a "SubmitQuery" button.

If absolutely nothing happens on submission, I suspect your form.html has a typo that is preventing the form from being submitted.

A good workman is known by his tools.

Ravinder Uppala

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posted 18 years ago

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I think problem is in deployment. Please be make usre that it is exactly as it is in the book. Sometimes if you miss the ending text for the xml in the deployment file then simply it dont display anything.

thats it.
ravinder uppala.

Sanjana Rao

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posted 18 years ago

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Hi,
Chandra Sagi,
I could able to open the default page http://localhost:8080.Its not a blank page or a Page Not Found error, the page remain unghanged.
Marc Peabody,
Even I'm wondering how I'm getting "SubmitQuery" button; below is the code I wrote in "form.html";
<html>
<body>
<h1 align="center">Beer Selection Page</h1>
<from method="POST"
action="SelectBeer.do">

Select beer Characteristics<p>
Color:
<select name="color" size="1">
<option>ligt
<option>Amber
<option>Brown
<option>Dark
</select>
<br><br>
<center>
<input type="SUBMIT">
</center>
</form>
</body>
</html>

Ravinder Uppala,

I .... Please be make usre that it is exactly as it is in the book. Sometimes if you miss the ending text for the xml in the deployment ....

I copied exactly from the book.What is "ending text " you mentioned, can you please explain in detail.

Thanks,
Sanjana

MInu

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posted 18 years ago

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plz make sure that your tomcat is properly running...also plz post your web.xml file.
[ March 27, 2006: Message edited by: Vinod NS ]

God Gave Me Nothing I Wanted<br />He Gave Me Everything I Needed<br /> - Swami Vivekananda

Sanjana Rao

Greenhorn

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posted 18 years ago

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Hi,
Tomcat is working fine,I could able to open "http://localhost:8080/Beer-v1/form.html".
The following is the web.xml kept in deployment "..\Tomcat 5.0\webapps\Beer-v1\WEB-INF\" directory;
<?xml version="1.0" encoding="UTF-8"?>
<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>Ch3 Beer</servlet-name>
<servlet-class>com.example.web.BeerSelect</servlet-class>
</servlet>

<servlet-mapping>
<servlet-name>Ch3 Beer</servlet-name>
<url-pattern>/SelectBeer.do</url-pattern>
</servlet-mapping>
</web-app>
Just to inform, also BeerSelect.java is same as HFSJ'S.Built that and kept in deployment directory as mentioned in HFSJ.

Thanks,
Sanjana.

Narendra Dhande

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posted 18 years ago

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Hi Sanjana,

There is typo in your html file. Corerect this as follows

It should work.

Thanks

Narendra Dhande
SCJP 1.4,SCWCD 1.4, SCBCD 5.0, SCDJWS 5.0, SCEA 5.0

MInu

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posted 18 years ago

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Did you check your log file or tocat console?

God Gave Me Nothing I Wanted<br />He Gave Me Everything I Needed<br /> - Swami Vivekananda

Sanjana Rao

Greenhorn

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posted 18 years ago

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Hi,
It's working now,
thanks a lot Narendra Dhande.I changed "from"->"form".
thanks Vinod and group.

Sanjana.

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