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wbstr / vaadin-multifileupload

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Upload "stopping" in MSIE11? #58

Open kr428 opened 6 years ago

kr428 commented 6 years ago

Hi *;

we're using this addon embedded in a current Vaadin 7.x application and some of our users on MSIE11 experience issues uploading multiple files. In these cases, upload or at least upload progress bar will stop showing any more progress at some point with the upload apparently not proceeding until the user closes the browser. We don't see any error messages though, so at the moment we don't have any chance to track this down. Any way to figure out what's happening here? TIA and all the best, Kristian

Romanzek commented 6 years ago

I have similar problems with any browser (tested on IE, FireFox, Chrome). The issue happens ONLY after cleaning browser cache and starting fresh application (or pressing Ctrl+F5 in browser). In approx 95% progress dialog hungs after successfully uploaded file. Size of file does not matter. I have tried using automatic and manual push, disabled push and using poll - the problem persists. I have tried not showing progress dialog at all - application hungs anyway. Pressing F5 sometimes helps, but sometimes hungs too. After refreshing without cleaning browser cache all works ok!

Romanzek commented 6 years ago

It's seems the were some strange code calling attach/detach on several components after upload finished. If we remove these calls all work ok. Sorry for inconvenience.