It says it is connected with security so I have marked this bug as such, I hope that I have marked it correctly.
** Information type changed from Public to Public Security ** Description changed: I wasn't doing anything special at the time, and then I suddenly saw this error in my Firefox console log: - 20:54:52.159 Handler function NRL_getSecurityInfo threw an exception: TypeError: this.transport is null - Stack: DSC_send@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:1334:5 - NEA_addSecurityInfo@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webconsole.js:1924:5 - NRL_getSecurityInfo@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/toolkit/webconsole/network-monitor.js:273:5 - makeInfallible/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/DevToolsUtils.js:83:14 - NRL_onStartRequest@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/toolkit/webconsole/network-monitor.js:227:5 - Line: 1334, column: 51 DevToolsUtils.js:59:0 + 20:54:52.159 Handler function NRL_getSecurityInfo threw an exception: TypeError: this.transport is null + Stack: DSC_send@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:1334:5 + NEA_addSecurityInfo@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webconsole.js:1924:5 + NRL_getSecurityInfo@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/toolkit/webconsole/network-monitor.js:273:5 + makeInfallible/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/DevToolsUtils.js:83:14 + NRL_onStartRequest@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/toolkit/webconsole/network-monitor.js:227:5 + Line: 1334, column: 51 DevToolsUtils.js:59:0 --- OS Information: - No LSB modules are available. - Distributor ID: Ubuntu - Description: Ubuntu 15.04 - Release: 15.04 - Codename: vivid - Flavour: GNOME - GNOME Version: 3.16 + No LSB modules are available. + Distributor ID: Ubuntu + Description: Ubuntu 15.04 + Release: 15.04 + Codename: vivid + Flavour: GNOME + GNOME Version: 3.16 Package Information: - firefox: - Installed: 41.0.1+build2-0ubuntu0.15.04.2 - Candidate: 41.0.1+build2-0ubuntu0.15.04.2 - Version table: - *** 41.0.1+build2-0ubuntu0.15.04.2 0 - 500 http://archive.ubuntu.com/ubuntu/ vivid-updates/main amd64 Packages - 500 http://archive.ubuntu.com/ubuntu/ vivid-security/main amd64 Packages - 100 /var/lib/dpkg/status - 37.0+build2-0ubuntu1 0 - 500 http://archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages + firefox: + Installed: 41.0.1+build2-0ubuntu0.15.04.2 + Candidate: 41.0.1+build2-0ubuntu0.15.04.2 + Version table: + *** 41.0.1+build2-0ubuntu0.15.04.2 0 + 500 http://archive.ubuntu.com/ubuntu/ vivid-updates/main amd64 Packages + 500 http://archive.ubuntu.com/ubuntu/ vivid-security/main amd64 Packages + 100 /var/lib/dpkg/status + 37.0+build2-0ubuntu1 0 + 500 http://archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1503026 Title: Handler function NRL_getSecurityInfo threw an exception: TypeError: this.transport is null Status in firefox package in Ubuntu: New Bug description: I wasn't doing anything special at the time, and then I suddenly saw this error in my Firefox console log: 20:54:52.159 Handler function NRL_getSecurityInfo threw an exception: TypeError: this.transport is null Stack: DSC_send@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:1334:5 NEA_addSecurityInfo@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webconsole.js:1924:5 NRL_getSecurityInfo@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/toolkit/webconsole/network-monitor.js:273:5 makeInfallible/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/DevToolsUtils.js:83:14 NRL_onStartRequest@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/toolkit/webconsole/network-monitor.js:227:5 Line: 1334, column: 51 DevToolsUtils.js:59:0 --- OS Information: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 15.04 Release: 15.04 Codename: vivid Flavour: GNOME GNOME Version: 3.16 Package Information: firefox: Installed: 41.0.1+build2-0ubuntu0.15.04.2 Candidate: 41.0.1+build2-0ubuntu0.15.04.2 Version table: *** 41.0.1+build2-0ubuntu0.15.04.2 0 500 http://archive.ubuntu.com/ubuntu/ vivid-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu/ vivid-security/main amd64 Packages 100 /var/lib/dpkg/status 37.0+build2-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1503026/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp