Thanks so much Chuck.  Eliminating the no-cache headers did the job.

An interesting footnote: Adding the following line to Context.xml within
META-INF worked as expected.
     <Valve
className="org.apache.catalina.authenticator.FormAuthenticator"
disableProxyCaching="false" />

However, when I copy the same code from META-INF/Context.xml to
conf/server.xml (of course adding docBase and path) and then delete
META-INF/Context.xml, the "Valve" has no affect on the Headers.  

I expected the results to have been the same.  Just curious.

Thanks again for pointing me in the right direction!
Ed

  

-----Original Message-----
From: Caldarale, Charles R [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, June 24, 2008 6:47 PM
To: Tomcat Users List
Subject: RE: User Authentication - IE doesn't recognize mime type
(pdf,xls)of files in protected directory

> From: Ed Marshall [mailto:[EMAIL PROTECTED]
> Subject: RE: User Authentication - IE doesn't recognize mime
> type (pdf,xls)of files in protected directory
>
> But when I'm already logged in, IE will never display the pdf.
> So it seems that Tomcat is behaving differently in each case.

It's not Tomcat - it's Microsoft's less than brilliant interpretation of
the HTTP RFC, coupled with IE's erratic implementation.  You need to get
rid of the no-cache headers; this should let IE open the file in situ.

 - Chuck


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