Can no-longer open URLs with System.Diagnostics.Process.Start() #19836
Description
Steps to Reproduce
using System.Diagnostics;
public class ProcessStart
{
public static void Main(string[] args)
{
Process.Start("https://www.mono-project.com/");
}
}Current Behavior
Calling System.Diagnostics.Process.Start() on a URL throws an exception containing the message Cannot find the specified file.
Expected Behavior
In earlier Mono versions, the URL was passed to xdg-open which opened the URL in the user's preferred web browser.
On which platforms did you notice this
[ ] macOS
[x] Linux
[ ] Windows
Version Used:
The issue is seen on Fedora 32 (which has the following Mono version):
Mono JIT compiler version 6.6.0.161 (tarball Wed Feb 5 07:34:41 UTC 2020)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
TLS: __thread
SIGSEGV: altstack
Notifications: epoll
Architecture: amd64
Disabled: none
Misc: softdebug
Interpreter: yes
LLVM: supported, not enabled.
Suspend: hybrid
GC: sgen (concurrent by default)
The issue is not present on Fedora 31:
Mono JIT compiler version 5.20.1.34 (tarball Mon Oct 14 05:16:35 UTC 2019)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
TLS: __thread
SIGSEGV: altstack
Notifications: epoll
Architecture: amd64
Disabled: none
Misc: softdebug
Interpreter: yes
LLVM: supported, not enabled.
Suspend: hybrid
GC: sgen (concurrent by default)
Stacktrace
Unhandled Exception:
System.ComponentModel.Win32Exception (0x80004005): Cannot find the specified file
at System.Diagnostics.Process.StartWithShellExecuteEx (System.Diagnostics.ProcessStartInfo startInfo) [0x00129] in <13e87ee1a85d4b5e8544328288bab252>:0
at System.Diagnostics.Process.Start () [0x00038] in <13e87ee1a85d4b5e8544328288bab252>:0
at (wrapper remoting-invoke-with-check) System.Diagnostics.Process.Start()
at System.Diagnostics.Process.Start (System.Diagnostics.ProcessStartInfo startInfo) [0x0001e] in <13e87ee1a85d4b5e8544328288bab252>:0
at System.Diagnostics.Process.Start (System.String fileName) [0x00006] in <13e87ee1a85d4b5e8544328288bab252>:0
at ProcessStart.Main (System.String[] args) [0x00000] in <d39a2c4d79a54779ba47e4b3fcb2e079>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.ComponentModel.Win32Exception (0x80004005): Cannot find the specified file
at System.Diagnostics.Process.StartWithShellExecuteEx (System.Diagnostics.ProcessStartInfo startInfo) [0x00129] in <13e87ee1a85d4b5e8544328288bab252>:0
at System.Diagnostics.Process.Start () [0x00038] in <13e87ee1a85d4b5e8544328288bab252>:0
at (wrapper remoting-invoke-with-check) System.Diagnostics.Process.Start()
at System.Diagnostics.Process.Start (System.Diagnostics.ProcessStartInfo startInfo) [0x0001e] in <13e87ee1a85d4b5e8544328288bab252>:0
at System.Diagnostics.Process.Start (System.String fileName) [0x00006] in <13e87ee1a85d4b5e8544328288bab252>:0
at ProcessStart.Main (System.String[] args) [0x00000] in <d39a2c4d79a54779ba47e4b3fcb2e079>:0