http://forum.projanmo.com/topic38209.html
$ ibus-daemon -vx (ibus-daemon:3216): GLib-GIO-WARNING **: unknown control message type 1:2 104 35 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("h")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],104,35,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 104 35 1073741824 100 32 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hd")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],100,32,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 103 34 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6\u09CD\u0997",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hdg")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],103,34,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 100 32 1073741824 103 34 1073741824 97 30 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6\u09CD\u0997\u09BE",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hdga")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],97,30,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 121 21 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6\u09CD\u0997\u09BE\u09DF",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hdgay")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],121,21,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 97 30 1073741824 121 21 1073741824 Traceback (most recent call last): File "/usr/share/ibus/ui/gtk/panel.py", line 585, in __im_menu_item_activate_cb focus_ic.set_engine(engine) File "/usr/lib/python2.7/dist-packages/ibus/inputcontext.py", line 287, in set_engine return self.__context.SetEngine(engine.name) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__ **keywords) File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking message, timeout) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Failed: Context which does not has focus can not change engine to ibus-avro. JS ERROR: !!! Exception was: Error: Expected type utf8 for Argument 'str' but got type 'undefined' (nil) JS ERROR: !!! lineNumber = '0' JS ERROR: !!! fileName = '"gjs_throw"' JS ERROR: !!! stack = '"("Expected type utf8 for Argument 'str' but got type 'undefined' (nil)")@gjs_throw:0 commitCandidate([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:315 ([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:184 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"Expected type utf8 for Argument 'str' but got type 'undefined' (nil)"' 32 57 0 JS ERROR: !!! Exception was: Error: Expected type utf8 for Argument 'str' but got type 'undefined' (nil) JS ERROR: !!! lineNumber = '0' JS ERROR: !!! fileName = '"gjs_throw"' JS ERROR: !!! stack = '"("Expected type utf8 for Argument 'str' but got type 'undefined' (nil)")@gjs_throw:0 commitCandidate([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:315 ([object _private_IBus_Engine],32,57,0)@/usr/share/ibus-avro/main-gjs.js:101 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"Expected type utf8 for Argument 'str' but got type 'undefined' (nil)"' 32 57 1073741824 100 32 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6\u09CD\u0997\u09BE\u09DF\u09A6",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hdgayd")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],100,32,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 115 31 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6\u09CD\u0997\u09BE\u09DF\u09A6\u09B8",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hdgayds")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],115,31,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 102 33 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6\u09CD\u0997\u09BE\u09DF\u09A6\u09B8\u09CD\u09AB",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hdgaydsf")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],102,33,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 97 30 0 JS ERROR: !!! Exception was: TypeError: this._candidateSelections is null JS ERROR: !!! lineNumber = '321' JS ERROR: !!! fileName = '"/usr/share/ibus-avro/suggestionbuilder.js"' JS ERROR: !!! stack = '"([object Object],[object Array])@/usr/share/ibus-avro/suggestionbuilder.js:321 ([object Object],[object Array],"\u09B9\u09A6\u09CD\u0997\u09BE\u09DF\u09A6\u09B8\u09CD\u09AB\u09BE",[object Object])@/usr/share/ibus-avro/suggestionbuilder.js:295 ("hdgaydsfa")@/usr/share/ibus-avro/suggestionbuilder.js:514 updateCurrentSuggestions([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:270 ([object _private_IBus_Engine],97,30,0)@/usr/share/ibus-avro/main-gjs.js:92 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"this._candidateSelections is null"' 100 32 1073741824 102 33 1073741824 97 30 1073741824 115 31 1073741824 JS ERROR: !!! Exception was: Error: Expected type utf8 for Argument 'str' but got type 'undefined' (nil) JS ERROR: !!! lineNumber = '0' JS ERROR: !!! fileName = '"gjs_throw"' JS ERROR: !!! stack = '"("Expected type utf8 for Argument 'str' but got type 'undefined' (nil)")@gjs_throw:0 commitCandidate([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:315 ([object _private_IBus_Engine])@/usr/share/ibus-avro/main-gjs.js:184 @/usr/share/ibus-avro/main-gjs.js:419 "' JS ERROR: !!! message = '"Expected type utf8 for Argument 'str' but got type 'undefined' (nil)"' 65507 29 0 99 46 4