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Repetier Host cannot connect to Printer without SUDO

sibosibo
in Linux
I have Repetier Host 2.1.6 as an AppImage. It connected fine under Ubuntu 19.04, but I wiped my computer to clean install Ubuntu 20.04. Using the same AppImage, I can start RH, but it crashes upon clicking the "Connect" button. If I load the AppImage from the commandline with a "sudo" prefix, then the Connect button works. Can anyone help fix this? The log is below--the line starting with Unhandled Exception is output upon clicking Connect.

~/Desktop$ ./Repetier-Host-x86_64-2.1.6.AppImage
LD_LIBRARY_PATH = /tmp/.mount_Repetiq6lxWU/usr/lib:/tmp/.mount_Repetiq6lxWU/usr/lib/mono/4.5:
MONO_PATH = /tmp/.mount_Repetiq6lxWU/usr/lib/mono/4.5

Unhandled Exception:
System.TypeInitializationException: The type initializer for 'System.Console' threw an exception. ---> System.TypeInitializationException: The type initializer for 'System.ConsoleDriver' threw an exception. ---> System.Exception: Magic number is wrong: 542
  at System.TermInfoReader.ReadHeader (System.Byte[] buffer, System.Int32& position) [0x00028] in <a07d6bf484a54da2861691df910339b1>:0
  at System.TermInfoReader..ctor (System.String term, System.String filename) [0x0005f] in <a07d6bf484a54da2861691df910339b1>:0
  at System.TermInfoDriver..ctor (System.String term) [0x00055] in <a07d6bf484a54da2861691df910339b1>:0
  at System.ConsoleDriver.CreateTermInfoDriver (System.String term) [0x00000] in <a07d6bf484a54da2861691df910339b1>:0
  at System.ConsoleDriver..cctor () [0x0004d] in <a07d6bf484a54da2861691df910339b1>:0
   --- End of inner exception stack trace ---
  at System.Console.SetupStreams (System.Text.Encoding inputEncoding, System.Text.Encoding outputEncoding) [0x00007] in <a07d6bf484a54da2861691df910339b1>:0
  at System.Console..cctor () [0x0008e] in <a07d6bf484a54da2861691df910339b1>:0
   --- End of inner exception stack trace ---
  at System.Windows.Forms.Application.OnThreadException (System.Exception t) [0x00059] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.NativeWindow.OnThreadException (System.Exception e) [0x00000] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.NativeWindow.WndProc (System.IntPtr hWnd, System.Windows.Forms.Msg msg, System.IntPtr wParam, System.IntPtr lParam) [0x00196] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.XplatUIX11.DispatchMessage (System.Windows.Forms.MSG& msg) [0x00000] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.XplatUI.DispatchMessage (System.Windows.Forms.MSG& msg) [0x00000] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.Application.RunLoop (System.Boolean Modal, System.Windows.Forms.ApplicationContext context) [0x002e2] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.Application.Run (System.Windows.Forms.ApplicationContext context) [0x00011] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.Application.Run (System.Windows.Forms.Form mainForm) [0x00006] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at RepetierHost.Program.Main (System.String[] args) [0x0001f] in <374e76794d164d76af696b6b7ca9e871>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeInitializationException: The type initializer for 'System.Console' threw an exception. ---> System.TypeInitializationException: The type initializer for 'System.ConsoleDriver' threw an exception. ---> System.Exception: Magic number is wrong: 542
  at System.TermInfoReader.ReadHeader (System.Byte[] buffer, System.Int32& position) [0x00028] in <a07d6bf484a54da2861691df910339b1>:0
  at System.TermInfoReader..ctor (System.String term, System.String filename) [0x0005f] in <a07d6bf484a54da2861691df910339b1>:0
  at System.TermInfoDriver..ctor (System.String term) [0x00055] in <a07d6bf484a54da2861691df910339b1>:0
  at System.ConsoleDriver.CreateTermInfoDriver (System.String term) [0x00000] in <a07d6bf484a54da2861691df910339b1>:0
  at System.ConsoleDriver..cctor () [0x0004d] in <a07d6bf484a54da2861691df910339b1>:0
   --- End of inner exception stack trace ---
  at System.Console.SetupStreams (System.Text.Encoding inputEncoding, System.Text.Encoding outputEncoding) [0x00007] in <a07d6bf484a54da2861691df910339b1>:0
  at System.Console..cctor () [0x0008e] in <a07d6bf484a54da2861691df910339b1>:0
   --- End of inner exception stack trace ---
  at System.Windows.Forms.Application.OnThreadException (System.Exception t) [0x00059] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.NativeWindow.OnThreadException (System.Exception e) [0x00000] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.NativeWindow.WndProc (System.IntPtr hWnd, System.Windows.Forms.Msg msg, System.IntPtr wParam, System.IntPtr lParam) [0x00196] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.XplatUIX11.DispatchMessage (System.Windows.Forms.MSG& msg) [0x00000] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.XplatUI.DispatchMessage (System.Windows.Forms.MSG& msg) [0x00000] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.Application.RunLoop (System.Boolean Modal, System.Windows.Forms.ApplicationContext context) [0x002e2] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.Application.Run (System.Windows.Forms.ApplicationContext context) [0x00011] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at System.Windows.Forms.Application.Run (System.Windows.Forms.Form mainForm) [0x00006] in <c86f0be4f9a847d3b8d63306221e6732>:0
  at RepetierHost.Program.Main (System.String[] args) [0x0001f] in <374e76794d164d76af696b6b7ca9e871>:0



Comments

  • RepetierRepetier
    Your user must be member of group dialout to be allowed to access serial devices. root is of course but you seem to be no member so far. So add yourself to that group and it should work without sudo.
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