Issue 132274 in chromium: Chrome Excel Mime Identification

[chro...@googlecode.com]

Status: Unconfirmed
Owner: ----
Labels: Type-Bug Pri-2 Area-Undefined

New issue 132274 by daniel.k...@gmail.com: Chrome Excel Mime Identification
http://code.google.com/p/chromium/issues/detail?id=132274

Chrome Version : 19.0.1084.52 m
URLs (if applicable) : Unable to provide internal URL for security reasons
Other browsers tested:
Add OK or FAIL after other browsers where you have tested this issue:
Firefox 13.0:OK

What steps will reproduce the problem?
1.Page displays a grid which contains multiple action buttons
2.Click "Export to Excel" button

What is the expected result?
By clicking the button, an excel file is created with the mime type
of "data:application/vnd.ms-excel;base64" and the browser will download
this excel to the user's machine.

What happens instead?
When this button is clicked, a warning populates in chrome with the
following message "Resource interpreted as Document but transferred with
MIME type
application/vnd.ms-excel: "data:application/vnd.ms-excel;base64,......".
This works correctly in Firefox, and used to work in Chrome as well. There
has been no code change to this page in over a year so the only explanation
I can think of is that a new version of Chrome was released since it just
stopped working 2 or 3 weeks ago, basically over night. Due to this
warning, the excel file is never downloaded in chrome. Has there been any
changes to how mimes are identified in Chrome?

Please provide any additional information below. Attach a screenshot if
possible.

Unable to provide screenshot due to security

[chro...@googlecode.com]

Comment #1 on issue 132274 by daniel.k...@gmail.com: Chrome Excel Mime
Identification
http://code.google.com/p/chromium/issues/detail?id=132274

With the update to version 20, this has been resolved

[chro...@googlecode.com]

Comment #2 on issue 132274 by tallyweb...@gmail.com: Chrome Excel Mime
Identification
http://code.google.com/p/chromium/issues/detail?id=132274

We are still seeing this issue in version 22.0.1229.92.

[chro...@googlecode.com]

Comment #3 on issue 132274 by rashidsa...@gmail.com: Chrome Excel Mime
Identification
http://code.google.com/p/chromium/issues/detail?id=132274

This is being produced on Version 23.0.1271.95

[chro...@googlecode.com]

Comment #5 on issue 132274 by pbt...@gmail.com: Chrome Excel Mime
Identification
http://code.google.com/p/chromium/issues/detail?id=132274

Still seeing this in version 29. Any chance of a fix?

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[chro...@googlecode.com]

Comment #6 on issue 132274 by suf...@gmail.com: Chrome Excel Mime
Identification
http://code.google.com/p/chromium/issues/detail?id=132274

Same here in actual version.

[chro...@googlecode.com]

Comment #7 on issue 132274 by sujatha....@gmail.com: Chrome Excel Mime
Identification
http://code.google.com/p/chromium/issues/detail?id=132274

Version 32.0.1700.4 dev-m Aura has the same issue.