[Webkit-unassigned] [Bug 92670] New: Blank tab when loading many tabs from the same domain with EventSource

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92670

           Summary: Blank tab when loading many tabs from the same domain
                    with EventSource
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Minor
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bruno.michel at af83.com


Steps to reproduce:

I've opened 20 tabs on the same site (same domain) and didn't close them. This web site use EventSource on each page.


Actual results:

The first 15 tabs are opened correctly. The 5 next show a blank page with 'Connecting...' as a title and a loader. And nothing else happened until I closed one tab, not even a timeout after several minutes.

The browser used one connection for each EventSource on the 15 first tabs and hit a limit. If I increase network.http.max-connections-per-server in about:config, I don't reproduce the problem.


Expected results:

At least, having an error message, not just a blank page.

Ideally, the browser should have not allowed the EventSource to take all the connections and could load the page.

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