siyuan-note/siyuan · error

CalDAV: calendar not found

Error message

CalDAV: calendar not found

What it means

CalDAV sentinel error ErrorCalDavCalendarNotFound: a calendar operation looked up a calendar path that is not present in the loaded calendars map. The client referenced a calendar collection that does not exist in this workspace.

Source

Thrown at kernel/model/caldav.go:81

	calendarMaxResourceSize       int64 = 0
	calendarSupportedComponentSet       = []string{"VEVENT", "VTODO"}

	defaultCalendar = caldav.Calendar{
		Path:                  CalDavDefaultCalendarPath,
		Name:                  CalDavDefaultCalendarName,
		Description:           "Default calendar",
		MaxResourceSize:       calendarMaxResourceSize,
		SupportedComponentSet: calendarSupportedComponentSet,
	}
	calendars = Calendars{
		loaded:            false,
		changed:           false,
		lock:              sync.Mutex{},
		calendars:         sync.Map{},
		calendarsMetaData: []*caldav.Calendar{},
	}

	ErrorCalDavCalendarNotFound    = errors.New("CalDAV: calendar not found")
	ErrorCalDavCalendarPathInvalid = errors.New("CalDAV: calendar path is invalid")

	ErrorCalDavCalendarObjectNotFound    = errors.New("CalDAV: calendar object not found")
	ErrorCalDavCalendarObjectPathInvalid = errors.New("CalDAV: calendar object path is invalid")
)

// CalendarsMetaDataFilePath returns the absolute path of the calendars' meta data file
func CalendarsMetaDataFilePath() string {
	return DavPath2DirectoryPath(CalDavCalendarsMetaDataFilePath)
}

func GetCalDavPathDepth(urlPath string) CalDavPathDepth {
	urlPath = PathCleanWithSlash(urlPath)
	return CalDavPathDepth(len(strings.Split(urlPath, "/")) - 1)
}

// GetCardDavPathDepth parses
func ParseCalendarObjectPath(objectPath string) (calendarPath string, objectID string, err error) {

View on GitHub (pinned to 8641553a1f)

Solutions

1. List calendars (PROPFIND) to discover valid paths
2. Use the default calendar path instead of the unknown one
3. Create the calendar before writing events into it

When it happens

Trigger: Thrown at kernel/model/caldav.go:81 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of siyuan-note/siyuan@8641553a1f (2026-09-11). Data as JSON: /api/errors/e1bf4daf7caffa21. Report an issue: GitHub.