Response from http://MyServerAddress:8096

Emby Server is loading. Please try again shortly.

Version of Emby installed

emby-server-deb_4.0.2.0_amd64.deb

Ubuntu Version

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.2 LTS
Release:	18.04
Codename:	bionic

Contents of log directory. Notice empty, zero byte log files

MyUserName@MyServerName:/var/lib/emby/logs$ l -alh

total 40K
drwxr-xr-x 2 emby emby  20K May  1 05:32 .
drwxr-xr-x 8 emby emby 4.0K May  1 05:26 ..
-rw-r--r-- 1 emby emby    0 May  1 05:32 embyserver-63692285536.txt
-rw-r--r-- 1 emby emby    0 May  1 05:32 embyserver-63692285538.txt
-rw-r--r-- 1 emby emby    0 May  1 05:32 embyserver-63692285541.txt
-rw-r--r-- 1 emby emby    0 May  1 05:32 embyserver-63692285543.txt
-rw-r--r-- 1 emby emby    0 May  1 05:32 embyserver.txt
-rw-r--r-- 1 emby emby 3.9K May  1 05:32 unhandled_09cfe8eb-1534-4234-a10f-b1f332f947ba.txt
-rw-r--r-- 1 emby emby 3.9K May  1 05:32 unhandled_645f88d1-7f30-4f73-85b8-bfc70be134ab.txt
-rw-r--r-- 1 emby emby 3.9K May  1 05:32 unhandled_86d7e534-9094-4fc6-b09e-b0577f7f6238.txt
-rw-r--r-- 1 emby emby 3.9K May  1 05:32 unhandled_d959a6b5-2855-428a-831a-d8693e55cb55.txt

Contents of one of the unhandled logs. Note all other unhandled logs are identical

$ cat unhandled_d959a6b5-2855-428a-831a-d8693e55cb55.txt

System.NullReferenceException: System.NullReferenceException: Object reference not set to an instance of an object.
    at System.Globalization.CalendarData.NormalizeDatePattern(String input)
    at System.Globalization.CalendarData.LoadCalendarDataFromSystem(String localeName, CalendarId calendarId)
    at System.Globalization.CalendarData..ctor(String localeName, CalendarId calendarId, Boolean bUseUserOverrides)
    at System.Globalization.CultureData.GetCalendar(CalendarId calendarId)
    at System.Globalization.DateTimeFormatInfo.InitializeOverridableProperties(CultureData cultureData, CalendarId calendarId)
    at System.Globalization.CultureInfo.get_DateTimeFormat()
    at System.Globalization.DateTimeFormatInfo.get_CurrentInfo()
    at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvider provider, TimeSpan offset)
    at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvider provider)
    at Emby.Server.Implementations.ScheduledTasks.DailyTrigger.Start(TaskResult lastResult, ILogger logger, String taskName, Boolean isApplicationStartup)
    at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ReloadTriggerEvents(Boolean isApplicationStartup)
    at Emby.Server.Implementations.ScheduledTasks.TaskManager.b__39_0(IScheduledTask t)
    at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
    at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
    at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection)
    at Emby.Server.Implementations.ScheduledTasks.TaskManager.AddTasks(IEnumerable`1 tasks)
    at Emby.Server.Implementations.ApplicationHost.RunStartupTasks()
    at EmbyServer.Program.RunStartupTasks(CoreAppHost appHost, ILogger logger)
    at EmbyServer.Program.RunApplication(ServerApplicationPaths appPaths, ILogManager logManager, IEnvironmentInfo environmentInfo, StartupOptions options)
    at EmbyServer.Program.Main(String[] args)
Source: System.Private.CoreLib
TargetSite: System.String NormalizeDatePattern(System.String)
    at System.Globalization.CalendarData.NormalizeDatePattern(String input)
    at System.Globalization.CalendarData.LoadCalendarDataFromSystem(String localeName, CalendarId calendarId)
    at System.Globalization.CalendarData..ctor(String localeName, CalendarId calendarId, Boolean bUseUserOverrides)
    at System.Globalization.CultureData.GetCalendar(CalendarId calendarId)
    at System.Globalization.DateTimeFormatInfo.InitializeOverridableProperties(CultureData cultureData, CalendarId calendarId)
    at System.Globalization.CultureInfo.get_DateTimeFormat()
    at System.Globalization.DateTimeFormatInfo.get_CurrentInfo()
    at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvider provider, TimeSpan offset)
    at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvider provider)
    at Emby.Server.Implementations.ScheduledTasks.DailyTrigger.Start(TaskResult lastResult, ILogger logger, String taskName, Boolean isApplicationStartup)
    at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ReloadTriggerEvents(Boolean isApplicationStartup)
    at Emby.Server.Implementations.ScheduledTasks.TaskManager.b__39_0(IScheduledTask t)
    at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
    at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
    at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection)
    at Emby.Server.Implementations.ScheduledTasks.TaskManager.AddTasks(IEnumerable`1 tasks)
    at Emby.Server.Implementations.ApplicationHost.RunStartupTasks()
    at EmbyServer.Program.RunStartupTasks(CoreAppHost appHost, ILogger logger)
    at EmbyServer.Program.RunApplication(ServerApplicationPaths appPaths, ILogManager logManager, IEnvironmentInfo environmentInfo, StartupOptions options)
    at EmbyServer.Program.Main(String[] args)

Responses from several server status queries

$ sudo service emby-server status

● emby-server.service - Emby Server is a personal media server with apps on just about every device.
    Loaded: loaded (/usr/lib/systemd/system/emby-server.service; enabled; vendor preset: enabled)
    Active: active (running) since Wed 2019-05-01 05:39:28 UTC; 1s ago
    Main PID: 11801 (EmbyServer)
    Tasks: 8 (limit: 2361)
    CGroup: /system.slice/emby-server.service
            └─11801 /opt/emby-server/system/EmbyServer -programdata /var/lib/emby -ffdetect /opt/emby-server/bin/ffdetect -ffmpeg /opt/emby-

May 01 05:39:28 MyServerName emby-server[11801]: Info ActivityRepository: Default journal_mode for /var/lib/emby/data/activitylog.db is wal
May 01 05:39:28 MyServerName emby-server[11801]: Info ActivityRepository: PRAGMA synchronous=1
May 01 05:39:28 MyServerName emby-server[11801]: Info SqliteDisplayPreferencesRepository: Default journal_mode for /var/lib/emby/data/displa
May 01 05:39:28 MyServerName emby-server[11801]: Info SqliteDisplayPreferencesRepository: PRAGMA synchronous=1
May 01 05:39:28 MyServerName emby-server[11801]: Info HttpServer: Adding HttpListener prefix http://+:8096/
May 01 05:39:28 MyServerName emby-server[11801]: Info HttpServer: Adding HttpListener prefix https://+:8920/
May 01 05:39:29 MyServerName emby-server[11801]: Debug XmlSerializer: Deserializing file /var/lib/emby/config/users/a521b485d4c845818341b09d
May 01 05:39:29 MyServerName emby-server[11801]: Info SqliteItemRepository: Default journal_mode for /var/lib/emby/data/library.db is wal
May 01 05:39:29 MyServerName emby-server[11801]: Info SqliteItemRepository: PRAGMA synchronous=1
May 01 05:39:29 MyServerName emby-server[11801]: Debug XmlSerializer: Deserializing file /var/lib/emby/config/encoding.xml



$ sudo service emby-server status

● emby-server.service - Emby Server is a personal media server with apps on just about every device.
    Loaded: loaded (/usr/lib/systemd/system/emby-server.service; enabled; vendor preset: enabled)
    Active: active (running) since Wed 2019-05-01 05:41:11 UTC; 589ms ago
    Main PID: 13506 (EmbyServer)
    Tasks: 7 (limit: 2361)
    CGroup: /system.slice/emby-server.service
            └─13506 /opt/emby-server/system/EmbyServer -programdata /var/lib/emby -ffdetect /opt/emby-server/bin/ffdetect -ffmpeg /opt/emby-

May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.LiveTV, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.Server.MediaEncoding, Version=4.0.2.0, Culture=neutral, PublicKeyTok
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.Dlna, Version=4.0.2.0, Culture=neutral, PublicKeyToken=null
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading MediaBrowser.LocalMetadata, Version=4.0.2.0, Culture=neutral, PublicKeyTo
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.Notifications, Version=4.0.2.0, Culture=neutral, PublicKeyToken=null
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.Codecs.Dxva, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.Codecs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.Server.Connect, Version=4.0.2.0, Culture=neutral, PublicKeyToken=nul
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading Emby.Server.Sync, Version=4.0.2.0, Culture=neutral, PublicKeyToken=null
May 01 05:41:12 MyServerName emby-server[13506]: Info App: Loading EmbyServer, Version=4.0.2.0, Culture=neutral, PublicKeyToken=null




$ sudo service emby-server status

● emby-server.service - Emby Server is a personal media server with apps on just about every device.
    Loaded: loaded (/usr/lib/systemd/system/emby-server.service; enabled; vendor preset: enabled)
    Active: active (running) since Wed 2019-05-01 05:42:14 UTC; 2s ago
    Main PID: 14557 (EmbyServer)
    Tasks: 9 (limit: 2361)
    CGroup: /system.slice/emby-server.service
            └─14557 /opt/emby-server/system/EmbyServer -programdata /var/lib/emby -ffdetect /opt/emby-server/bin/ffdetect -ffmpeg /opt/emby-

May 01 05:42:15 MyServerName emby-server[14557]: Info ActivityRepository: PRAGMA synchronous=1
May 01 05:42:15 MyServerName emby-server[14557]: Info SqliteDisplayPreferencesRepository: Default journal_mode for /var/lib/emby/data/displa
May 01 05:42:15 MyServerName emby-server[14557]: Info SqliteDisplayPreferencesRepository: PRAGMA synchronous=1
May 01 05:42:15 MyServerName emby-server[14557]: Info HttpServer: Adding HttpListener prefix http://+:8096/
May 01 05:42:15 MyServerName emby-server[14557]: Info HttpServer: Adding HttpListener prefix https://+:8920/
May 01 05:42:15 MyServerName emby-server[14557]: Debug XmlSerializer: Deserializing file /var/lib/emby/config/users/a521b485d4c845818341b09d
May 01 05:42:15 MyServerName emby-server[14557]: Info SqliteItemRepository: Default journal_mode for /var/lib/emby/data/library.db is wal
May 01 05:42:15 MyServerName emby-server[14557]: Info SqliteItemRepository: PRAGMA synchronous=1
May 01 05:42:15 MyServerName emby-server[14557]: Debug XmlSerializer: Deserializing file /var/lib/emby/config/encoding.xml
May 01 05:42:16 MyServerName emby-server[14557]: Info Skia: SkiaSharp version: 1.60.0.0
May 01 05:42:16 MyServerName emby-server[14557]: Error Main: Error in appHost.RunStartupTasks
May 01 05:42:16 MyServerName emby-server[14557]:         *** Error Report ***
May 01 05:42:16 MyServerName emby-server[14557]:         Version: 4.0.2.0
May 01 05:42:16 MyServerName emby-server[14557]:         Command line: /opt/emby-server/system/EmbyServer.dll -programdata /var/lib/emby -ff
May 01 05:42:16 MyServerName emby-server[14557]:         Operating system: Unix 4.15.0.48
May 01 05:42:16 MyServerName emby-server[14557]:         64-Bit OS: True
May 01 05:42:16 MyServerName emby-server[14557]:         64-Bit Process: True
May 01 05:42:16 MyServerName emby-server[14557]:         User Interactive: True
May 01 05:42:16 MyServerName emby-server[14557]:         Processor count: 1
May 01 05:42:16 MyServerName emby-server[14557]:         Program data path: /var/lib/emby
May 01 05:42:16 MyServerName emby-server[14557]:         Application directory: /opt/emby-server/system
May 01 05:42:16 MyServerName emby-server[14557]:         System.NullReferenceException: System.NullReferenceException: Object reference not 
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.NormalizeDatePattern(String input)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.LoadCalendarDataFromSystem(String localeNam
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData..ctor(String localeName, CalendarId calenda
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureData.GetCalendar(CalendarId calendarId)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.InitializeOverridableProperties(Cultu
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureInfo.get_DateTimeFormat()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.get_CurrentInfo()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.DailyTrigger.Start(TaskResult last
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ReloadTriggerE
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.b__39_0(ISch
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 coll
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.AddTasks(IEnumerable`1
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ApplicationHost.RunStartupTasks()
May 01 05:42:16 MyServerName emby-server[14557]:            at EmbyServer.Program.RunStartupTasks(CoreAppHost appHost, ILogger logger)
May 01 05:42:16 MyServerName emby-server[14557]:         Source: System.Private.CoreLib
May 01 05:42:16 MyServerName emby-server[14557]:         TargetSite: System.String NormalizeDatePattern(System.String)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.NormalizeDatePattern(String input)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.LoadCalendarDataFromSystem(String localeNam
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData..ctor(String localeName, CalendarId calenda
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureData.GetCalendar(CalendarId calendarId)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.InitializeOverridableProperties(Cultu
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureInfo.get_DateTimeFormat()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.get_CurrentInfo()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.DailyTrigger.Start(TaskResult last
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ReloadTriggerE
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.b__39_0(ISch
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 coll
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.AddTasks(IEnumerable`1
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ApplicationHost.RunStartupTasks()
May 01 05:42:16 MyServerName emby-server[14557]:            at EmbyServer.Program.RunStartupTasks(CoreAppHost appHost, ILogger logger)
May 01 05:42:16 MyServerName emby-server[14557]:         
May 01 05:42:16 MyServerName emby-server[14557]: Error Main: UnhandledException
May 01 05:42:16 MyServerName emby-server[14557]:         *** Error Report ***
May 01 05:42:16 MyServerName emby-server[14557]:         Version: 4.0.2.0
May 01 05:42:16 MyServerName emby-server[14557]:         Command line: /opt/emby-server/system/EmbyServer.dll -programdata /var/lib/emby -ff
May 01 05:42:16 MyServerName emby-server[14557]:         Operating system: Unix 4.15.0.48
May 01 05:42:16 MyServerName emby-server[14557]:         64-Bit OS: True
May 01 05:42:16 MyServerName emby-server[14557]:         64-Bit Process: True
May 01 05:42:16 MyServerName emby-server[14557]:         User Interactive: True
May 01 05:42:16 MyServerName emby-server[14557]:         Processor count: 1
May 01 05:42:16 MyServerName emby-server[14557]:         Program data path: /var/lib/emby
May 01 05:42:16 MyServerName emby-server[14557]:         Application directory: /opt/emby-server/system
May 01 05:42:16 MyServerName emby-server[14557]:         System.NullReferenceException: System.NullReferenceException: Object reference not 
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.NormalizeDatePattern(String input)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.LoadCalendarDataFromSystem(String localeNam
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData..ctor(String localeName, CalendarId calenda
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureData.GetCalendar(CalendarId calendarId)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.InitializeOverridableProperties(Cultu
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureInfo.get_DateTimeFormat()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.get_CurrentInfo()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.DailyTrigger.Start(TaskResult last
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ReloadTriggerE
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.b__39_0(ISch
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 coll
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.AddTasks(IEnumerable`1
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ApplicationHost.RunStartupTasks()
May 01 05:42:16 MyServerName emby-server[14557]:            at EmbyServer.Program.RunStartupTasks(CoreAppHost appHost, ILogger logger)
May 01 05:42:16 MyServerName emby-server[14557]:            at EmbyServer.Program.RunApplication(ServerApplicationPaths appPaths, ILogManage
May 01 05:42:16 MyServerName emby-server[14557]:            at EmbyServer.Program.Main(String[] args)
May 01 05:42:16 MyServerName emby-server[14557]:         Source: System.Private.CoreLib
May 01 05:42:16 MyServerName emby-server[14557]:         TargetSite: System.String NormalizeDatePattern(System.String)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.NormalizeDatePattern(String input)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData.LoadCalendarDataFromSystem(String localeNam
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CalendarData..ctor(String localeName, CalendarId calenda
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureData.GetCalendar(CalendarId calendarId)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.InitializeOverridableProperties(Cultu
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.CultureInfo.get_DateTimeFormat()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Globalization.DateTimeFormatInfo.get_CurrentInfo()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvide
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.DailyTrigger.Start(TaskResult last
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ReloadTriggerE
May 01 05:42:16 MyServerName emby-server[14557]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.b__39_0(ISch
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
May 01 05:42:16 MyServerName emby-server[14557]:            at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 coll
lines 96-118/118 (END)
            
    

Purged old Emby. Installed new

sudo apt purge emby-server
sudo reboot
sudo dpkg -i emby-server-deb_4.1.1.0_amd64.deb

Contents of log directory. Notice empty, zero byte log files

MyUserName@MyServerName:/var/lib/emby/logs$ ls -alh
total 8.0K
drwxr-xr-x 2 emby emby 4.0K May  1 15:30 .
drwxr-xr-x 7 emby emby 4.0K May  1 15:30 ..
-rw-r--r-- 1 emby emby    0 May  1 15:30 embyserver-63692321430.txt

Response from server status query

$ sudo service emby-server status
● emby-server.service - Emby Server is a personal media server with apps on just about every device.
    Loaded: loaded (/usr/lib/systemd/system/emby-server.service; enabled; vendor preset: enabled)
    Active: inactive (dead) since Wed 2019-05-01 15:30:30 UTC; 12s ago
    Process: 1428 ExecStart=/opt/emby-server/bin/emby-server (code=exited, status=0/SUCCESS)
    Main PID: 1428 (code=exited, status=0/SUCCESS)

May 01 15:30:30 KmCreations emby-server[1428]:            at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
May 01 15:30:30 KmCreations emby-server[1428]:            at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
May 01 15:30:30 KmCreations emby-server[1428]:            at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 colle
May 01 15:30:30 KmCreations emby-server[1428]:            at Emby.Server.Implementations.ScheduledTasks.TaskManager.AddTasks(IEnumerable`1 
May 01 15:30:30 KmCreations emby-server[1428]:            at Emby.Server.Implementations.ApplicationHost.RunStartupTasks()
May 01 15:30:30 KmCreations emby-server[1428]:            at EmbyServer.HostedService.StartAsync(CancellationToken cancellationToken)
May 01 15:30:30 KmCreations emby-server[1428]:         Source: System.Private.CoreLib
May 01 15:30:30 KmCreations emby-server[1428]:         TargetSite: System.String NormalizeDatePattern(System.String)
May 01 15:30:30 KmCreations emby-server[1428]:         
May 01 15:30:30 KmCreations emby-server[1428]: Info Main: Shutdown complete

Tried starting from command line

$ sudo /opt/emby-server/system/EmbyServer

Info Main: Application path: /opt/emby-server/system/EmbyServer.dll
Info Main: Emby
	Command line: /opt/emby-server/system/EmbyServer.dll
	Operating system: Unix 4.15.0.48
	64-Bit OS: True
	64-Bit Process: True
	User Interactive: True
	Runtime: file:///opt/emby-server/system/System.Private.CoreLib.dll
	Processor count: 1
	Program data path: /opt/emby-server/programdata
	Application directory: /opt/emby-server/system
Info App: Application version: 4.1.1.0
Info App: Loading assemblies
Info App: Loading OpenSubtitles, Version=1.0.15.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/OpenSubtitles.dll
Info App: Loading OMDb, Version=1.0.5.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/OMDb.dll
Info App: Loading MusicBrainz, Version=1.0.5.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/MusicBrainz.dll
Info App: Loading StudioImages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/StudioImages.dll
Info App: Loading NfoMetadata, Version=1.0.11.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/NfoMetadata.dll
Info App: Loading Fanart, Version=1.0.2.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/Fanart.dll
Info App: Loading Tvdb, Version=1.0.6.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/Tvdb.dll
Info App: Loading Emby.Dlna, Version=1.0.13.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/Emby.Dlna.dll
Info App: Loading MovieDb, Version=1.0.8.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/MovieDb.dll
Info App: Loading AudioDb, Version=1.0.4.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/AudioDb.dll
Info App: Loading Emby.PortMapper, Version=1.0.1.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/Emby.PortMapper.dll
Info App: Loading Emby.Server.CinemaMode, Version=1.0.14.0, Culture=neutral, PublicKeyToken=null from /opt/emby-server/programdata/plugins/Emby.Server.CinemaMode.dll
Info App: Loading MediaBrowser.Api, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading MediaBrowser.WebDashboard, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading MediaBrowser.Model, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading MediaBrowser.Common, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading MediaBrowser.Controller, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading MediaBrowser.Providers, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Photos, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Server.Implementations, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.LiveTV, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Server.MediaEncoding, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading MediaBrowser.LocalMetadata, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Notifications, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Codecs.Dxva, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Codecs, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Server.Connect, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading Emby.Server.Sync, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info App: Loading EmbyServer, Version=4.1.1.0, Culture=neutral, PublicKeyToken=null
Info SqliteUserRepository: Sqlite version: 3.22.0
Info SqliteUserRepository: Sqlite compiler options: COMPILER=gcc-7.2.0,ENABLE_COLUMN_METADATA,ENABLE_DBSTAT_VTAB,ENABLE_FTS3,ENABLE_FTS3_PARENTHESIS,ENABLE_FTS3_TOKENIZER,ENABLE_FTS4,ENABLE_FTS5,ENABLE_JSON1,ENABLE_LOAD_EXTENSION,ENABLE_PREUPDATE_HOOK,ENABLE_RTREE,ENABLE_SESSION,ENABLE_STMTVTAB,ENABLE_UNLOCK_NOTIFY,ENABLE_UPDATE_DELETE_LIMIT,HAVE_ISNAN,LIKE_DOESNT_MATCH_BLOBS,MAX_SCHEMA_RETRY=25,MAX_VARIABLE_NUMBER=250000,OMIT_LOOKASIDE,SECURE_DELETE,SOUNDEX,TEMP_STORE=1,THREADSAFE=1
Info SqliteUserRepository: Default journal_mode for /opt/emby-server/programdata/data/users.db is delete
Info SqliteUserRepository: PRAGMA synchronous=1
Info AuthenticationRepository: Default journal_mode for /opt/emby-server/programdata/data/authentication.db is delete
Info AuthenticationRepository: PRAGMA synchronous=1
Info ActivityRepository: Default journal_mode for /opt/emby-server/programdata/data/activitylog.db is delete
Info ActivityRepository: PRAGMA synchronous=1
Info SqliteDisplayPreferencesRepository: Default journal_mode for /opt/emby-server/programdata/data/displaypreferences.db is delete
Info SqliteDisplayPreferencesRepository: PRAGMA synchronous=1
Info App: Requesting administrative access to authorize http server
Info ServerConfigurationManager: Saving system configuration
Info HttpServer: Adding HttpListener prefix http://+:8096/
Info HttpServer: Adding HttpListener prefix https://+:8920/
Info SqliteItemRepository: Default journal_mode for /opt/emby-server/programdata/data/library.db is delete
Info SqliteItemRepository: PRAGMA synchronous=1
Info ServerConfigurationManager: Saving system configuration
Info Main: Skia not available. Will try next image processor.
Error Main: Error in appHost.RunStartupTasks
	*** Error Report ***
	Version: 4.1.1.0
	Command line: /opt/emby-server/system/EmbyServer.dll
	Operating system: Unix 4.15.0.48
	64-Bit OS: True
	64-Bit Process: True
	User Interactive: True
	Runtime: file:///opt/emby-server/system/System.Private.CoreLib.dll
	Processor count: 1
	Program data path: /opt/emby-server/programdata
	Application directory: /opt/emby-server/system
	System.NullReferenceException: System.NullReferenceException: Object reference not set to an instance of an object.
	   at System.Globalization.CalendarData.NormalizeDatePattern(String input)
	   at System.Globalization.CalendarData.LoadCalendarDataFromSystem(String localeName, CalendarId calendarId)
	   at System.Globalization.CalendarData..ctor(String localeName, CalendarId calendarId, Boolean bUseUserOverrides)
	   at System.Globalization.CultureData.GetCalendar(CalendarId calendarId)
	   at System.Globalization.CultureData.DateSeparator(CalendarId calendarId)
	   at System.Globalization.DateTimeFormatInfo.InitializeOverridableProperties(CultureData cultureData, CalendarId calendarId)
	   at System.Globalization.CultureInfo.get_DateTimeFormat()
	   at System.Globalization.DateTimeFormatInfo.get_CurrentInfo()
	   at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvider provider, TimeSpan offset)
	   at System.DateTimeFormat.Format(DateTime dateTime, String format, IFormatProvider provider)
	   at Emby.Server.Implementations.ScheduledTasks.DailyTrigger.Start(TaskResult lastResult, ILogger logger, String taskName, Boolean isApplicationStartup)
	   at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ReloadTriggerEvents(Boolean isApplicationStartup)
	   at Emby.Server.Implementations.ScheduledTasks.TaskManager.b__39_0(IScheduledTask t)
	   at System.Linq.Enumerable.SelectListIterator`2.MoveNext()
	   at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
	   at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection)
	   at Emby.Server.Implementations.ScheduledTasks.TaskManager.AddTasks(IEnumerable`1 tasks)
	   at Emby.Server.Implementations.ApplicationHost.RunStartupTasks()
	   at EmbyServer.HostedService.StartAsync(CancellationToken cancellationToken)
	Source: System.Private.CoreLib
	TargetSite: System.String NormalizeDatePattern(System.String)
	
Info Main: Shutdown complete

Searched Google for "System.Globalization.CalendarData.NormalizeDatePattern(String input)" and found

https://github.com/dotnet/corefx/issues/37098
and
https://github.com/dotnet/coreclr/pull/24190

I'm not sure but I think that the problem lies with Mono/.NET