334121 - Firefox hangs without error when localhost / 127.0.0.1 is not available.

Status: RESOLVED DUPLICATE of bug 210585

(Toolkit :: Startup and Profile System, defect)

Description

[Sander Holthaus]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.1) Gecko/20060114 Firefox/1.5.0.1
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.1) Gecko/20060114 Firefox/1.5.0.1

By accident, my IP-filter used/updated a list that blocked all access to 127.0.0.1 / localhost. This caused Firefox to hang at startup, but WITHOUT any kind of error-message. The firefox-process would just hang in the background (thunderbird worked fine btw).

While the error is of course that a IP-filter should never block 127.0.0.1, Firefox should have generated a user-visible warning / error, instead of hanging indefinately in the background.

Reproducible: Always

Steps to Reproduce:
1. Block access to 127.0.0.1 throug an ip-filter
2. Startup Firefox

Actual Results:  
Firefox either start-ups very slow and will be dead slow at anything, or will just hang completely.

Expected Results:  
Firefox should have generated an error stating that 127.0.0.1 is inaccessible and that without access, it cannot work.

Comment 1

[zug_treno]

Maybe related to bug 210585?

Comment 2

[Ryan Flint [:rflint] (ping via IRC for reviews)]

*** This bug has been marked as a duplicate of 210585 ***