Description of problem:
Left the add CalDAV server dialog open for ten minutes on the select calendars from server screen. Hadn’t clicked Add and eventually it crashed.

Version-Release number of selected component:
gnome-calendar-3.18.2.1-2.fc23

Additional info:
reporter:       libreport-2.6.4
backtrace_rating: 4
cmdline:        /usr/bin/gnome-calendar --gapplication-service
crash_function: g_hash_table_get_values
executable:     /usr/bin/gnome-calendar
global_pid:     2412
kernel:         4.3.5-300.fc23.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (7 frames)
 #0 g_hash_table_get_values at ghash.c:1810
 #1 gcal_manager_refresh at gcal-manager.c:1422
 #2 refresh_sources at gcal-window.c:1068
 #8 gtk_dialog_run at gtkdialog.c:1395
 #9 _g_closure_invoke_va at gclosure.c:864
 #12 gtk_button_do_release at gtkbutton.c:1899
 #13 gtk_real_button_released at gtkbutton.c:2017