Firefox bug - XML Parsing Error: unexpected parser state

I received the following error while browsing a certain website:

XML Parsing Error: unexpected parser state

Location: jar:file:///TorBrowser/FirefoxPortable/App/Firefox/omni.ja!/chrome/toolkit/content/global/netError.xhtml

Line Number 308, Column 50:

        <div id="ed_netReset">&netReset.longDesc;</div>
-------------------------------------------------^

Unfortunately, I cannot provide the URL at which this error appeared.

added component::applications/tor browser ff52-esr-will-have owner::tbb-team priority::medium resolution::fixed severity::normal status::closed tbb-firefox-patch type::defect labels

Trac:
Cc: N/A to g.koppen@jondos.de

I have now also received the following error:

XML Parsing Error: unexpected parser state
Location: jar:file:///TorBrowser/FirefoxPortable/App/Firefox/omni.ja!/chrome/toolkit/content/global/netError.xhtml
Line Number 304, Column 68:
        <div id="ed_connectionFailure">&connectionFailure.longDesc;</div>
-------------------------------------------------------------------^

This is very likely an underlying Mozilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=569229

Trac:
Cc: g.koppen@jondos.de to gk

Trac:
Keywords: N/A deleted, tbb-firefox-patch added

Trac:
Owner: mikeperry to tbb-team
Component: Firefox Patch Issues to Tor Browser

Marked #17447 (moved) as a duplicate.

Trac:
Cc: gk to gk, arma
Sponsor: N/A to N/A
Severity: N/A to Normal

Trac:

Still not fixed in ESR45... On Windows 7 with TBB 6.0a3 (and earlier) there is only one string in Console: unexpected parser state aboutNetError.xhtml:388:68 or unexpected parser state aboutNetError.xhtml:389:54 or unexpected parser state aboutNetError.xhtml:395:58 But from the user's side it looks bad:

Trac:
Reviewer: N/A to N/A
Summary: TorBrowser: XML Parsing Error to Firefox bug - XML Parsing Error: unexpected parser state

STR? (TBB 6.5a2) http://ehlznccisf5mnhw2.onion/test.php

unexpected parser state aboutNetError.xhtml:447:68

or

unexpected parser state aboutNetError.xhtml:451:50

Folks on #tor report that the bug mentioned in comment:3 got fixed by Mozilla and it is planned to ship the fix in Firefox 53. That's a bit late for us which is why I have asked to get it uplifted to Aurora. Tracking for our ESR 52 switch.

Trac:
Keywords: N/A deleted, ff52-esr added

Trac:
Keywords: ff52-esr deleted, ff52-esr-will-have added

This will be fixed in 7.0a3 which is based on Firefox 52 ESR.

Trac:
Resolution: N/A to fixed
Status: new to closed

closed

mentioned in issue #9171 (closed)

mentioned in issue #9294 (moved)

mentioned in issue #9999 (closed)

mentioned in issue #17447 (moved)

mentioned in issue #21887 (moved)

moved to tpo/applications/tor-browser#8842 (closed)