iTunes Match has zero error messaging

Originator:khakionion
Number:rdar://14300716 Date Originated:Jun 28, 2013
Status:Open Resolved:
Product:iTunes Product Version:11.x (iTunes Match)
Classification:UI/Usability Reproducible:N/A
 
Summary:
I have problems playing certain songs with iTunes Match, but the system never gives any error messages as to why things are failing. I've filed Case ID 461159607 with iTunes Support for a song I cannot download, but I have no information to give them other than "it does not work" because iTunes won't log any errors whatsoever.

This is a bad experience for me, and for Apple, because I can't help you quickly find the root cause of the problem.

Steps to Reproduce:
 - Have an error in your iTunes Match account. (Like, a song won't download.)
 - Click the exclamation mark.
 - Check syslog.
 - Expect a modal error dialog.

Expected Results:
Any error output whatsoever.

Actual Results:
No error output save for a zero-information exclamation mark icon next to the song.

Regression:
N/A. iTunes Match has never had good error output.

Comments

You can enable some iTunes logging using the below defaults.

defaults write com.apple.itunes log-aflv-debug -bool yes

defaults write com.apple.itunes log-airplay -bool yes

defaults write com.apple.itunes log-ipod -bool yes

defaults write com.apple.itunes log-player -bool yes

defaults write com.apple.itunes log-push -bool yes

defaults write com.apple.itunes log-remotespeakers -bool yes


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