Source code not visible in browser

Mikey · Jan 25, 2006

I am new to servlets and I have a question about viewing the response
source code on my browser. I'm not sure if this is a problem with my
response headers or what.

My servlet creates a response and sends it back to the browser where it
is displayed correctly. However, when I attempt to view the source code
in the browser (both IE and Netscape) the display is blank.

The servlet code is:

res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 " +
"Transitional//EN\">\n" +
"<HTML>\n" +
"<HEAD><TITLE>Submit Experiment
Results</TITLE></HEAD>\n" +
"<BODY>\n" +
"<br><br><br><br><center>\n" +
"<H2>Experimental Results Recorded</H2>\n" +
"<table border=\"1\" width=\"500\" cellpadding=\"10\"
cellspacing=\"0\"><tr><td>" +

"<H3>Your submitted data have been recorded. You can
either proceed to having your results gradded or click the \"Back\"
button on your browser to again review your data.</H3>\n" +
"</td></tr>" +

"<tr><td>" +
"<H3>After you have clicked the \"Grade Results\"
button, an email with your score will be sent to both you and your
instructor.</H3>\n" +

"</td></tr></table>" +

"</center></BODY></HTML>");

As I develop the servlet code I would like to be able to view the
received html file on the browser for debugging purposes.

Any help would be appreciated.

Thanks.

Joe Attardi · Jan 25, 2006

Mikey said:
My servlet creates a response and sends it back to the browser where it
is displayed correctly. However, when I attempt to view the source code
in the browser (both IE and Netscape) the display is blank.

Hey Mikey,

Not sure about this problem, but you would be better off using a JSP to
display your results in the browser. It's much easier to read the code,
and is generally just a good practice.

zero · Jan 25, 2006

My servlet creates a response and sends it back to the browser where it
is displayed correctly. However, when I attempt to view the source code
in the browser (both IE and Netscape) the display is blank.

If the browser displays the page correctly, it means it's receiving the
source code correctly. You should be able to use the browser's "view page
source" or similar to see the html source.

Oliver Wong · Jan 25, 2006

zero said:
If the browser displays the page correctly, it means it's receiving the
source code correctly. You should be able to use the browser's "view page
source" or similar to see the html source.

Zero is correct. You may need to scroll around (i.e. horizontally and/or
vertically) to get visible characters (as opposed to whitespace) in the
source viewing window.

- Oliver

Roedy Green · Jan 25, 2006

If the browser displays the page correctly, it means it's receiving the
source code correctly. You should be able to use the browser's "view page
source" or similar to see the html source.

An HTML validator will help you ferret out errors your eye overlooks
in the generated HTML.

See http://mindprod.com/jgloss/htmlvalidator.html

Noodles Jefferson · Jan 26, 2006

Mikey said:
I am new to servlets and I have a question about viewing the response
source code on my browser. I'm not sure if this is a problem with my
response headers or what.

My servlet creates a response and sends it back to the browser where it
is displayed correctly. However, when I attempt to view the source code
in the browser (both IE and Netscape) the display is blank.

The servlet code is:

res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 " +
"Transitional//EN\">\n" +
"<HTML>\n" +
"<HEAD><TITLE>Submit Experiment
Results</TITLE></HEAD>\n" +
"<BODY>\n" +
"<br><br><br><br><center>\n" +
"<H2>Experimental Results Recorded</H2>\n" +
"<table border=\"1\" width=\"500\" cellpadding=\"10\"
cellspacing=\"0\"><tr><td>" +

"<H3>Your submitted data have been recorded. You can
either proceed to having your results gradded or click the \"Back\"
button on your browser to again review your data.</H3>\n" +
"</td></tr>" +

"<tr><td>" +
"<H3>After you have clicked the \"Grade Results\"
button, an email with your score will be sent to both you and your
instructor.</H3>\n" +

"</td></tr></table>" +

"</center></BODY></HTML>");

As I develop the servlet code I would like to be able to view the
received html file on the browser for debugging purposes.

Any help would be appreciated.

Thanks.

You won't see the source code, just the generated code for the page.

--
Noodles Jefferson
mhm31x9 Smeeter#29 WSD#30
sTaRShInE_mOOnBeAm aT HoTmAil dOt CoM

NP: "Icicle" (Tour Rehearsal) -- Tori Amos

"Our earth is degenerate in these latter days, bribery and corruption
are common, children no longer obey their parents and the end of the
world is evidently approaching."
--Assyrian clay tablet 2800 B.C.

Mikey · Jan 26, 2006

I agree. The page displays fine but the received html does not display
completely, or at all, when I view source code.

Thanks for all your comments.

Mikey · Jan 26, 2006

Thanks for the reply Joe. Do you have a reference where I could get
some details on your suggestion.

Thanks again.

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Source code not visible in browser

Mikey

Joe Attardi

zero

Oliver Wong

Roedy Green

Noodles Jefferson

Mikey

Mikey

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