Re: Browser shows source of .jsp file. Why?

[Christopher Schultz <ch...@christopherschultz.net>]

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David,

On 4/27/2009 10:11 AM, David Rush wrote:
> The controller servlet is using three
> 
> rd = req.getRequestDispatcher("something.jsp"); 
> rd.include(req,resp);
> 
> blocks (with essentially header, main content, and footer .jsp files)
> to assemble the final output page.  Initially there was no
> req.setContentType() at all.  Once I added
> req.setContentType("text/html") it appears to have resolved the
> problem.

You shouldn't have had to do this. What file is calling the includes? If
it's just a servlet, then you almost definitely have to provide a
Content-Type header, because the "include" files aren't going to (not
are they permitted to, according to the servlet spec). If it came from a
JSP, the JSP's default Content-Type is text/html, and something is wrong.

It should be noted that both Google Chrome and Mozilla Firefox are
behaving correctly: MSIE violates the HTTP specification which states
that the Content-Type sent by the server (text/plain in your case) may
not be overridden (S7.2.1: "If and only if the media type is not given
by a Content-Type field, the recipient MAY attempt to guess the media
type[...]"). It's only a (stupid) coincidence that your servlet works in
MSIE.

You may want to inspect other servlets for the same type of defect.

- -chris
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