Hi , I got this quote with 5800 repetitions (5.8 MB / 1k) : `2023-05-25 01:02:59.021733+0200 LookAt[6404:302136] [general] *** -[NSKeyedUnarchiver validateAllowedClass:forKey:] allowed unarchiving safe plist type ''NSNumber' (0x7ff84cfe02f8) [/System/Library/Frameworks/Foundation.framework]' for key 'NS.objects', even though it was not explicitly included in the client allowed classes set: '{( "'NSMutableDictionary' (0x7ff84cfb6b48) [/System/Library/Frameworks/CoreFoundation.framework]", "'NSArray' (0x7ff84cfb68a0) [/System/Library/Frameworks/CoreFoundation.framework]" )}'. This will be disallowed in the future ` -(IBAction)readFile:(id)sender { NSData * data; NSError * error = nil; data = [_vrReadWrite readData:kFileComponentA]; NSSet * set = [_vrReadWrite setOfClasses]; _vrRoot = [NSKeyedUnarchiver unarchivedObjectOfClasses:set fromData:data error:&error]; }``` I got the expected result, that's fine, but I'm not interested in this future. Uwe

Several years ago, I modified an [Apple Obj-c Time Zone] example (illustrated image below) to enrich my non-existent knowledge with Time Zones. The modified application illustrates the current [Time Zone Date and Time] for my current MDT location, and will illustrate another available [Time Zone Location] from a popup button. So, I decided to see whether I could convert the Obj-c code to Swift code. The converted Swift code built properly, but the application will repeatedly crash when I engage the Swift [clockAndCalendar binding]. The Swift code application generates the following error message: I understand the error message listed above to be: "EXC_BAD_ACCESS" error message (code=1, address=0x0) occurs when the application tries to access memory, which the application cannot access, or does not exist. Examining the error shows the MDT’s as the first encountered location: When I examine the additional [information] button, Xcode generates the following message, stating a [Foundation] incompatibility exists. Again, I wonder whether this issue can be resolved. So, for the moment, I believe I cannot produce an equivalent Swift file just yet without more knowledge, where I unwittingly, and most likely applied the Swift [clockAndCalendar binding] code incorrectly … ? I am curious about what I should do next, and how I might properly approach this error message ... ? NSTimeZone (Obj-c) and TimeZone (Swift) produce different [Time Zone] results, as noted in the associated [Print Statements]. Your possible suggestions for me to explore would be very welcome … :] Again, I must thank you for your time with this issue. Best regards, jim_k // The modified Obj-c View: // Obj-c [setupCityClock] code: - (void)setupCityClock:(NSView *)containerView timeZone:(NSTimeZone *)timeZone { NSDatePickerElementFlags flags = 0; flags |= NSDatePickerElementFlagHourMinute; flags |= NSDatePickerElementFlagHourMinuteSecond; flags |= NSDatePickerElementFlagTimeZone; flags |= NSDatePickerElementFlagYearMonth; flags |= NSDatePickerElementFlagYearMonthDay; flags |= NSDatePickerElementFlagEra; // Setup the city block and bind its value to a single NSDate property. NSDatePicker *theIdentifiedTimeZoneLocationCalendarAndClock = [[NSDatePicker alloc] initWithFrame:containerView.bounds]; // Draw the [Focus Ring] around the [Date Picker] theIdentifiedTimeZoneLocationCalendarAndClock.focusRingType = NO; // Draw the [datePicker Background colour] which makes the [background colour darker] theIdentifiedTimeZoneLocationCalendarAndClock.drawsBackground = YES; // Set the [datePicker Background Colour] to [TEXT BACKGROUND COLOUR] theIdentifiedTimeZoneLocationCalendarAndClock.backgroundColor = NSColor.blackColor; // Set the [datePicker Text Colour] to [WHITE] theIdentifiedTimeZoneLocationCalendarAndClock.textColor = NSColor.controlTextColor; // If the function is set to [YES] the [BORDER] is not [DRAWN] properly. // Setting the function to [NO] will not draw the [BORDER] theIdentifiedTimeZoneLocationCalendarAndClock.bordered = NO; // Set the [DATE PICKER STYLE] theIdentifiedTimeZoneLocationCalendarAndClock.datePickerStyle = NSDatePickerStyleClockAndCalendar; // Set the [DATE PICKER ELEMENTS] theIdentifiedTimeZoneLocationCalendarAndClock.datePickerElements = flags; // Set the [TIME ZONE] theIdentifiedTimeZoneLocationCalendarAndClock.timeZone = timeZone; // Check the results: NSLog(@"The [CURRENT TIME ZONE FOR (setupCityClock)] :: %@", timeZone); // Prints: - [America/Edmonton (MDT) offset -21600 (Daylight)] // Prints: - [Europe/London (GMT+1) offset 3600 (Daylight)] NSLog(@"The [CURRENT TIME ZONE FOR (setupCityClock) again] :: %@", theIdentifiedTimeZoneLocationCalendarAndClock.timeZone); // Prints: - [America/Edmonton (MDT) offset -21600 (Daylight)] // Prints: - [Europe/London (GMT+1) offset 3600 (Daylight)] // Bind the [TIME ZONES] to the [CURRENT TIME] [theIdentifiedTimeZoneLocationCalendarAndClock bind:NSValueBinding toObject:self withKeyPath:@"currentTime" options:nil]; // Add the [CITY CLOCK] to the [CONTAINER VIEW] [containerView addSubview:theIdentifiedTimeZoneLocationCalendarAndClock]; } // End of [- (void)setupCityClock:] // The modified Swift View [Without the [clockAndCalendar binding] engaged]: // NOTE: The clock’s static time differential is correct with each popup button selection. // Swift [setupCityClock] code: func setupCityClock(containerView: NSView, timeZone: TimeZone) { var flags = NSDatePicker.ElementFlags() flags.insert(.hourMinute) flags.insert(.hourMinuteSecond) flags.insert(.timeZone) flags.insert(.yearMonth) flags.insert(.yearMonthDay) flags.insert(.era) // Setup the city clock and bind its value to a single NSDate property. let theIdentifiedTimeZoneLocationCalendarAndClock = NSDatePicker(frame: containerView.bounds) // Draw the [Focus Ring] around the [Date Picker] theIdentifiedTimeZoneLocationCalendarAndClock.focusRingType = .none // Draw the [datePicker Background colour] which makes the [background colour darker] theIdentifiedTimeZoneLocationCalendarAndClock.drawsBackground = true // Set the [datePicker Background Colour] to [TEXT BACKGROUND COLOUR] theIdentifiedTimeZoneLocationCalendarAndClock.backgroundColor = NSColor.black // Set the [datePicker Text Colour] to [WHITE] theIdentifiedTimeZoneLocationCalendarAndClock.textColor = NSColor.controlTextColor // If the function is set to [YES] the [BORDER] is not [DRAWN] properly. // Setting the function to [NO] will [NOT] draw the [BORDER] theIdentifiedTimeZoneLocationCalendarAndClock.isBordered = false // Set the [DATE PICKER STYLE] theIdentifiedTimeZoneLocationCalendarAndClock.datePickerStyle = .clockAndCalendar // Set the [DATE PICKER ELEMENTS] theIdentifiedTimeZoneLocationCalendarAndClock.datePickerElements = flags // Set the [TIME ZONE] theIdentifiedTimeZoneLocationCalendarAndClock.timeZone = timeZone print("The [CURRENT TIME ZONE FOR (setupCityClock)] :: \(timeZone)") // Prints: - [America/Edmonton (fixed (equal to current))] // Prints: - [Europe/London (fixed)] // Bind the [TIME ZONES] to the [CURRENT TIME] <=== (The error occurs here) theIdentifiedTimeZoneLocationCalendarAndClock.bind(.value, to: self, withKeyPath: "currentTime", options: nil) // Add the [CITY CLOCK] to the [CONTAINER VIEW] containerView.addSubview(theIdentifiedTimeZoneLocationCalendarAndClock) } // End of [func setupCityClock(containerView: NSView, timeZone: TimeZone)]