The logs in attachment 8879880 [details] show: [ProxyResolution]: D/nsHostResolver Resolving host [null]. [ProxyResolution]: D/nsHostResolver No usable address in cache for host [null]. However, that method should return if host is null: NS_ENSURE_TRUE(host && *host, NS_ERROR_UNEXPECTED); http://searchfox.org/mozilla-central/rev/b425854d9bbd49d5caf9baef3686e49ec91c17ec/netwerk/dns/nsHostResolver.cpp#737 I'm not sure this is the cause of bug 1174249, but it seems a weird behaviour.
I just seem to have misread the logs. The string in the logs is "null", not "(null)", so this is just some webpage trying to resolve "null" as a host. Weird, but not a bug.
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → INVALID
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