Bug: XML Parsing Error: undefined entity
Status: RESOLVED
Priority: --
Resolution: INVALID
Created: 2020-11-22 17:09:43+00:00
Resolved: 2022-02-20 13:25:08+00:00

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:83.0) Gecko/20100101 Firefox/83.0

Steps to reproduce:

Typing thunderbird ? In terminal get this response

[calbackendloader] Using Thunderbird’s libical backend
JavaScript error: resource://gre/modules/MessengerContentHandler.jsm, line 75: NS_ERROR_FAILURE:
Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/extensions/messagingmenu@mozilla.com.xpi!/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jam:128:18
observe@resource://gre/modules/AsyncShutdown.jsm:554:16

Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18
observe@resource://gre/modules/AsyncShutdown.jsm:554:16

Typing thunderbird -safe-mode ? in terminal  and clicked “Continue in Safe Mode”, got this response

[calbackendloader] Using Thunderbird’s libical backend
Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18
_onProfileStartup@resource://gre/modules/MailGlue.jsm:218:19
observe@resource://gre/modules/MailGlue.jsm:165:14

JavaScript error: resource://gre/modules/MessengerContentHandler.jsm, line 75: NS_ERROR_FAILURE:
JavaScript error: resource://gre/modules/JSONFile.jsm, line 173: Error: Data is not ready.

Typing thunderbird -safe-mode ? in terminal  and checked “Disable all add-ons”, clicked “Make changes and Restart”, got this response

[calbackendloader] Using Thunderbird’s libical backend
Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/extensions/messagingmenu@mozilla.com.xpi!/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jam:128:18
_onProfileStartup@resource://gre/modules/MailGlue.jsm:218:19
observe@resource://gre/modules/MailGlue.jsm:165:14

JavaScript error: resource://gre/modules/JSONFile.jsm, line 173: Error: Data is not ready.
[calbackendloader] Using Thunderbird’s libical backend
Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/extensions/messagingmenu@mozilla.com.xpi!/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jam:128:18

Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18

console.debug: “OverlayBackup”
console.debug: 5975.858999967575
console.debug: 1296000
console.log: WebExtensions: Unloading: chrome://mboximport/content/mboximport/modules’strftime.js

Typing thunderbird -safe-mode ? in terminal  and checked “Reset toolbars and controls”, clicked “Make Changes and Restart”, got this response

[calbackendloader] Using Thunderbird’s libical backend
Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18
observe@resource://gre/modules/MailGlue.jsm:165:14

JavaScript error: resource://gre/modules/MessengerContentHandler.jsm, line 75: NS_ERROR_FAILURE:
JavaScript error: resource://gre/modules/JSONFile.jsm, line 173: Error: Data is not ready.

Typing thunderbird -safe-mode ? in terminal  and clicked permanently disable extensions, save and restart got this response

[calbackendloader] Using Thunderbird’s libical backend
Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18
observe@resource://gre/modules/MailGlue.jsm:165:14

JavaScript error: resource://gre/modules/JSONFile.jsm, line 173: Error: Data is not ready.
[calbackendloader] Using Thunderbird’s libical backend
Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/extensions/messagingmenu@mozilla.com.xpi!/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jam:128:18

Extension error: Error while loading ‘jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18

console.debug: “OverlayBackup”
console.debug: 5975.858999967575
console.debug: 1296000
console.log: WebExtensions: Unloading: chrome://mboximport/content/mboximport/modules’strftime.js

jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json’ (NS_ERROR_FILE_NOT_FOUND) I have no such file!!!


Actual results:

When opening normally:
Error: 
XML Parsing Error: undefined entity
Location: chrome://messenger/content/messenger.xhtml
Line Number 905, Column 3:
  <key id="openLightningKey"
--^


Expected results:

Application opened normally.