[Webkit-unassigned] [Bug 227113] New: PWA mistakingly thinking to be offline

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jun 17 01:54:02 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=227113

            Bug ID: 227113
           Summary: PWA mistakingly thinking to be offline
           Product: WebKit
           Version: Safari 14
          Hardware: iPhone / iPad
                OS: iOS 14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Service Workers
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: matthias.perktold at asaon.com

I have a PWA written in Java using Vaadin and Jetty that detects when the app is offline, and if so, shows a screen that says "You are offline".

On an iPad, when the browser is closed and opened again, the app shows "You are offline" even if it is not.
It stays this way even when refreshing the page, the only way to recover is to clear the browser's cache.

It works on other devices, even iPhone.

I have a reproducer here: https://github.com/mperktold/vaadin14-embedded-jetty

Steps to reproduce:
1. Run Main.java
2. Open https://<your-pc>:8443 on an iPad.
3. Close the browser.
4. Open the browser.

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