We Heart Code » error http://www.weheartcode.com A discourse on programming Thu, 12 May 2011 23:17:58 +0000 en hourly 1 http://wordpress.org/?v=3.1.2 There was an error opening this document. This file cannot be found. http://www.weheartcode.com/2006/11/13/there-was-an-error-opening-this-document-this-file-cannot-be-found/ http://www.weheartcode.com/2006/11/13/there-was-an-error-opening-this-document-this-file-cannot-be-found/#comments Mon, 13 Nov 2006 19:08:04 +0000 Tim http://www.weheartcode.com/2006/11/13/there-was-an-error-opening-this-document-this-file-cannot-be-found/ This error sucks. Acrobat Reader 7 throws it when trying to read an inline PDF in IE.

Here's how you fix it (in java, though you could do this in another language, point is you have to set your headers like so).

response.setHeader("Pragma", "public");
response.setDateHeader("Expires", 0);
response.setHeader("Cache-Control","must-revalidate, post-check=0, pre-check=0");
response.setHeader("Cache-Control","public");
response.setHeader("Content-Description","File Transfer");

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