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I see two menu bars startgin with Synchronize at the top and then the calendar is empty. I get the following in ther terminal thunderbird (process:2961): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed (thunderbird:2961): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::sm-connect after class was initialised (thunderbird:2961): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::show-crash-dialog after class was initialised (thunderbird:2961): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::display after class was initialised (thunderbird:2961): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::default-icon after class was initialised [calBackendLoader] Using libical backend at /home/dwalsh/.thunderbird/p5ndlvyx.default/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/components/libical.manifest enigmail.js: Registered components mimeVerify.jsm: module initialized TypeError: Components.classes[cid] is undefined -- Exception object -- + fileName (string) 'chrome://calendar/content/calUtils.js' + lineNumber (number) 22 + columnNumber (number) 0 * -- Stack Trace -- @chrome://calendar/content/calUtils.js:22 now@chrome://calendar/content/calUtils.js:385 switchToView@chrome://calendar/content/calendar-views.js:325 ltnSwitch2Calendar@chrome://lightning/content/messenger-overlay-sidebar.js:402 @chrome://lightning/content/messenger-overlay-sidebar.js:45 openTab@chrome://messenger/content/tabmail.xml:554 @chrome://lightning/content/messenger-overlay-sidebar.js:72 restoreTab@chrome://messenger/content/tabmail.xml:983 restoreTabs@chrome://messenger/content/tabmail.xml:1007 atStartupRestoreTabs@chrome://messenger/content/msgMail3PaneWindow.js:654 loadStartFolder@chrome://messenger/content/msgMail3PaneWindow.js:749
I think I had the same problem (on F19 though) and updating the package from updates-testing (https://admin.fedoraproject.org/updates/thunderbird-lightning-2.6.4-7.fc19) fixed it for me.
Sadly does not fix it for me. Here is what I get with the lates build. Still see the two Synchronize screens, but if I close and reopen I get one Synctrhonize Line but nothing is selectible and data is blank. (process:20752): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed (thunderbird:20752): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::sm-connect after class was initialised (thunderbird:20752): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::show-crash-dialog after class was initialised (thunderbird:20752): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::display after class was initialised (thunderbird:20752): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::default-icon after class was initialised [calBackendLoader] Using libical backend at /home/dwalsh/.thunderbird/p5ndlvyx.default/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/components/libical.manifest enigmail.js: Registered components mimeVerify.jsm: module initialized TypeError: Components.classes[cid] is undefined -- Exception object -- + fileName (string) 'chrome://calendar/content/calUtils.js' + lineNumber (number) 22 + columnNumber (number) 0 * -- Stack Trace -- _calIcalCreator/<@chrome://calendar/content/calUtils.js:22 now@chrome://calendar/content/calUtils.js:385 switchToView@chrome://calendar/content/calendar-views.js:325 ltnSwitch2Calendar@chrome://lightning/content/messenger-overlay-sidebar.js:402 calendarTabType.modes.calendar.openTab@chrome://lightning/content/messenger-overlay-sidebar.js:45 openTab@chrome://messenger/content/tabmail.xml:554 calendarTabType.modes.calendar.restoreTab@chrome://lightning/content/messenger-overlay-sidebar.js:72 restoreTab@chrome://messenger/content/tabmail.xml:983 restoreTabs@chrome://messenger/content/tabmail.xml:1007 atStartupRestoreTabs@chrome://messenger/content/msgMail3PaneWindow.js:654 loadStartFolder@chrome://messenger/content/msgMail3PaneWindow.js:749
This still seems to point to a version incompatibility - could you state what version of thunderbird and thunderbird-lightning?
rpm -q thunderbird thunderbird-lightning thunderbird-24.2.0-4.fc21.x86_64 thunderbird-lightning-2.6.4-7.fc21.x86_64
Created attachment 872537 [details] parts of journalctl 'attempt to add property after class was initialized' near thunderbird crash $ rpm -q thunderbird thunderbird-enigmail thunderbird-lightning thunderbird-24.3.0-1.fc20.x86_64 thunderbird-enigmail-1.6-1.fc20.x86_64 thunderbird-lightning-2.6.4-7.fc20.x86_64 journalctl: gnome-session[1602]: (thunderbird:2115): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::sm-connect after class was initialised
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle. Changing version to '22'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora22
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.