Closed Bug 1484764 Opened Last year Closed Last year
Error: this .netmonitors is null
Bug 1484764 - Prevent netmonitors is undefined exception when closing tools during page load. r=Honza
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This bug was automatically filed from Sentry: https://sentry.prod.mozaws.net/operations/nightly-js-errors/issues/4564090/ TypeError: this.netmonitors is null --- Getting between 1500 to 3500 of these a day. It first showed up August 17th in build 20180816220128. I suspect it's still rising as the update circulates out. The error is coming from resource://devtools/server/actors/webconsole.js (no line info *sigh*). The only suspicious use of netmonitors to my eyes is here, where it's referenced without a null check in an event handler: https://searchfox.org/mozilla-central/source/devtools/server/actors/webconsole.js#1821 Every other use seems to have a null check.
Comment on attachment 9002699 [details] Bug 1484764 - Prevent netmonitors is undefined exception when closing tools during page load. r=Honza Jan Honza Odvarko [:Honza] has approved the revision.
Attachment #9002699 - Flags: review+
Pushed by email@example.com: https://hg.mozilla.org/integration/autoland/rev/6bfff0d1a5a4 Prevent netmonitors is undefined exception when closing tools during page load. r=Honza
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