Open Bug 1640738 Opened 6 months ago Updated 6 months ago

TypeError: can't access property "canGoBack", this.webNavigation is null

Categories

(Toolkit :: XUL Widgets, defect)

Unspecified
All
defect

Tracking

()

People

(Reporter: agi, Unassigned)

References

(Blocks 1 open bug)

Details

(Whiteboard: [geckoview])

Lot's of these in Web platform tests (at least):

05-25 17:13:22.565  2791  2806 E GeckoConsole: [JavaScript Error: "TypeError: can't access property "canGoBack", this.webNavigation is null" {file: "chrome://global/content/elements/browser-custom-element.js" line: 426}]
05-25 17:13:22.565  2791  2806 E GeckoConsole: get canGoBack@chrome://global/content/elements/browser-custom-element.js:426:7
05-25 17:13:22.565  2791  2806 E GeckoConsole: onLocationChange@resource://gre/modules/GeckoViewNavigation.jsm:568:7
05-25 17:13:22.565  2791  2806 E GeckoConsole: _callProgressListeners@resource://gre/modules/RemoteWebProgress.jsm:75:31
05-25 17:13:22.565  2791  2806 E GeckoConsole: onLocationChange@resource://gre/modules/RemoteWebProgress.jsm:119:10
05-25 17:13:22.565  2791  2806 E GeckoConsole: [JavaScript Error: "RemoteWebProgress failed to call onLocationChange: [Exception... "[JavaScript Error: "can't access property "canGoBack", this.webNavigation is null" {file: "chrome://global/content/elements/browser-custom-element.js" line: 426}]'[JavaScript Error: "can't access property "canGoBack", this.webNavigation is null" {file: "chrome://global/content/elements/browser-custom-element.js" line: 426}]' when calling method: [nsIWebProgressListener::onLocationChange]"  nsresult: "0x80570021 (NS_ERROR_XPC_JAVASCRIPT_ERROR_WITH_DETAILS)"  location: "JS frame :: resource://gre/modules/RemoteWebProgress.jsm :: _callProgressListeners :: line 75"  data: yes]" {file: "resource://gre/modules/RemoteWebProgress.jsm" line: 78}]

e.g. https://firefoxci.taskcluster-artifacts.net/XbAsjr_rRveR6krKgnNCdg/0/public/test_info//logcat-emulator-5554.log

Component: General → XUL Widgets
Priority: P3 → --
Product: GeckoView → Toolkit
Whiteboard: [geckoview]
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