Friday, March 28, 2014

Re: GWT Application not showing in Safari

At least in iPad simulator your app works with iOS 6.1 and 7.1, but that does not mean a lot. Safari 6.x has some JIT issues which can break any JavaScript app at any time, maybe that's what has happened. At least we got hit by it and we currently generate special JS output that disables JIT for Safari. Not a very efficient solution but it works ok for now.

If you have access to a Mac and iOS device you can remote debug Safari by attaching the iOS device to the Mac using USB and then launch Safari on Mac. After activating the developer menu in Safari you can connect to the browser on the iOS device. Instead of an iOS device you could also use the iOS simulator on the Mac. Then you can use the browser's dev tools to debug the situation.

If you don't have access then there is probably not a lot you can do. You could log client exceptions on the server and hope that it reveals a fixable problem. 

-- J.

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