Certain Documents (xlsx, pptx and pdf) cannot be Downloaded in IE from Document Explorer in Spaces (Doc ID 1487573.1)

Last updated on NOVEMBER 03, 2022

Applies to:

Symptoms

When clicking on Download of certain documents (xlsx, pptx and pdf) in Spaces then immediately a Windows popup error like this is raised:

The error shown in a browser popup is something like this (translated from Spanish):
"Unable to download "filename" from "host"
It's not possible to open this internet site (I attach a screenshot)

In the same time the following JS exception is shown in IE:

 


Other documents like xls or ppt can be downloaded successfully.
The issue only occurs in IE 7 (not reproduced in OWC) and 8 (reproduced). The same works fine in IE 9.
Spaces is front-ended by a Web Tier, but there are no other components involved.
When accessing Spaces directly on Spaces port then the issue does not reproduce.

IE HTTP Header Trace shows the following:

The following Accept headers are present when it works:
Accept: image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
The same line looks like this when it fails:
Accept: */*

So the following Accept Headers are missing when it fails:
image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword

Cause

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