[Webkit-unassigned] [Bug 197050] IndexedDB: An internal error was encountered in the Indexed Database server

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=197050

--- Comment #5 from Michael Lehenabuer <mikelehen at gmail.com> ---
As an update, I've tried a couple workarounds which do not work:

1. Re-opening the database after hitting this bug results in an "UnknownError: Connection to Indexed Database server lost. Refresh the page to try again."

2. Listening to visibilitychange events and attempting to stop queuing operations when visibilitystate == false does not work because in the case where the bug repros, no visibilitychange event is received before Safari is paused in the background.  The event arrives only after restoring Safari to the foreground, but then it is too late and you get the "An internal error was encountered in the Indexed Database server" error.

I've uploaded a modified repro at http://mike-shared.firebaseapp.com/ios-crash2.html which contains these workarounds and additional logging.

Given there are seemingly no workarounds, it would be very helpful if somebody could acknowledge that this bug has been seen and is being investigated. Thanks!

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