[Webkit-unassigned] [Bug 137743] New: [GTK] Invalid cast from 'WebKitDOMHTMLElement' to 'WebKitDOMHTMLFormElement'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=137743

           Summary: [GTK] Invalid cast from 'WebKitDOMHTMLElement' to
                    'WebKitDOMHTMLFormElement'
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P3
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: xovni at wanadoo.fr


I've tried to use Webkit-Gtk 2.6.0 and 2.6.1 with Epiphany, but I can't use it to load more than 3 or 4 pages. After this very short amount of pages loaded and displayed, I get this error:

(WebKitWebProcess:9396): GLib-GObject-WARNING **: invalid cast from 'WebKitDOMHTMLElement' to 'WebKitDOMHTMLFormElement'

** (WebKitWebProcess:9396): CRITICAL **: WebKitDOMHTMLCollection* webkit_dom_html_form_element_get_elements(WebKitDOMHTMLFormElement*): assertion 'WEBKIT_DOM_IS_HTML_FORM_ELEMENT(self)' failed

** (WebKitWebProcess:9396): CRITICAL **: gulong webkit_dom_html_collection_get_length(WebKitDOMHTMLCollection*): assertion 'WEBKIT_DOM_IS_HTML_COLLECTION(self)' failed

(WebKitWebProcess:9396): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

Then, I get these 4 lines each time I load a website. After this, no CSS and no JS seems to work on the displayed pages. Epiphany sometimes crashes shortly (after displaying 10/20 pages) after the error first appears.

My installed libraries :

- glib-2.42.0
- gtk+-3.14.3
- epiphany-3.14.x
- webkitgtk-2.6.x

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