User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:31.0) Gecko/20100101 Firefox/31.0 (Beta/Release) Build ID: 20140716183446 Steps to reproduce: Open a new email by pressing cmd+N. Click the "Add Attachment" button, so that the "Find File(s)" dialog opens (don’t have the english version at hand, hope you know which button I’m talking about). Tricky: you must cause a server connection error (see below). Actual results: If the "Find File(s)" dialog is open, while Thunderbird tries to save the draft to the drafts folder (IMAP) and an error occurs while doing that (because the IMAP server is not available (e.g. bad connection)), Thunderbird becomes inaccessible: - the "abort" button in the dialog causes alert sound and the screen flashes (because I activated System Preferences > Accessibility > Flash screen when an alert sound occurs). - selecting a file causes error/mail composing window with the cursor won’t work (so the error message in the composing video that reports that the draft couldn’t be saved, can not be dismissed) The focus won’t move away from the "Find File(s)" dialog, although neither "abort" nor selecting a file will work. The only solution I found was killing Thunderbird through "Force Quit Applications (cmd+alt+esc)" Expected results: Either selecting a file or aborting the dialog should be possible.
I have to test this one, but I am mostly sure that it is not a Mac OS X exclusive problem. I will try it in a couple of hours.
Summary: An error message on an email window with a simultaneously opened attachment select dialog makes Thunderbird inaccessible → [IMAP] An error message on an email window with a simultaneously opened attachment select dialog makes Thunderbird inaccessible
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