[BUG]: Problem with nuget.config when upgrading to [email protected]

[Poltergeisen]

Task name

Nuget

Task version

2.227.0

Environment type (Please select at least one enviroment where you face this issue)

• Self-Hosted
• Microsoft Hosted
• VMSS Pool
• Container

Azure DevOps Server type

dev.azure.com (formerly visualstudio.com)

Azure DevOps Server Version (if applicable)

No response

Operation system

Ubuntu 22.04

Task log

==============================================================================
Task         : NuGet
Description  : Restore, pack, or push NuGet packages, or run a NuGet command. Supports NuGet.org and authenticated feeds like Azure Artifacts and MyGet. Uses NuGet.exe and works with .NET Framework apps. For .NET Core and .NET Standard apps, use the .NET Core task.
Version      : 2.227.0
Author       : Microsoft Corporation
Help         : https://docs.microsoft.com/azure/devops/pipelines/tasks/package/nuget
==============================================================================

Found tool in cache: NuGet 4.9.6 x64
Detected NuGet version 4.9.6.8 / 4.9.6+a32bce39889f724fbd11cfd12e946f802168b583
/usr/bin/mono /home/az_devops_agent/agent/_work/_tool/NuGet/4.9.6/x64/nuget.exe push /home/az_devops_agent/agent/_work/334/release-pipeline/nupkgs/example.4.0.0.nupkg -NonInteractive -Source https://pkgs.dev.azure.com/XXX/XXX/nuget/v3/index.json -ApiKey VSTS -Verbosity Detailed
NuGet.Config is not valid XML. Path: '/home/az_devops_agent/.config/NuGet/NuGet.Config'.
  Data at the root level is invalid. Line 11, position 1.
NuGet.Configuration.NuGetConfigurationException: NuGet.Config is not valid XML. Path: '/home/az_devops_agent/.config/NuGet/NuGet.Config'. ---> System.Xml.XmlException: Data at the root level is invalid. Line 11, position 1.
  at System.Xml.XmlTextReaderImpl.Throw (System.Exception e) [0x00027] in <7ff8f64b3a334d14838f500f5ad27e36>:0 
  at System.Xml.XmlTextReaderImpl.Throw (System.String res, System.String arg) [0x00029] in <7ff8f64b3a334d14838f500f5ad27e36>:0 
  at System.Xml.XmlTextReaderImpl.Throw (System.String res) [0x00000] in <7ff8f64b3a334d14838f500f5ad27e36>:0 
  at System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace () [0x0012c] in <7ff8f64b3a334d14838f500f5ad27e36>:0 
  at System.Xml.XmlTextReaderImpl.ParseDocumentContent () [0x002d4] in <7ff8f64b3a334d14838f500f5ad27e36>:0 
  at System.Xml.XmlTextReaderImpl.Read () [0x0008c] in <7ff8f64b3a334d14838f500f5ad27e36>:0 
  at System.Xml.Linq.XContainer.ReadContentFrom (System.Xml.XmlReader r) [0x00025] in <8d6554d17b084e8689fdd20da40c74a1>:0 
  at System.Xml.Linq.XContainer.ReadContentFrom (System.Xml.XmlReader r, System.Xml.Linq.LoadOptions o) [0x00005] in <8d6554d17b084e8689fdd20da40c74a1>:0 
  at System.Xml.Linq.XDocument.Load (System.Xml.XmlReader reader, System.Xml.Linq.LoadOptions options) [0x00024] in <8d6554d17b084e8689fdd20da40c74a1>:0 
  at NuGet.Configuration.XmlUtility.LoadSafe (System.IO.Stream input, System.Xml.Linq.LoadOptions options) [0x0000e] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.XmlUtility.GetDocument (System.String fullPath) [0x00007] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.XmlUtility.GetOrCreateDocument (System.Xml.Linq.XDocument content, System.String fullPath) [0x0000b] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.SettingsFile+<>c__DisplayClass27_0.<.ctor>b__0 () [0x00017] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.SettingsFile+<>c__DisplayClass38_0.<ExecuteSynchronized>b__0 () [0x00000] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
   --- End of inner exception stack trace ---
  at NuGet.Configuration.SettingsFile+<>c__DisplayClass38_0.<ExecuteSynchronized>b__0 () [0x00087] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Common.ConcurrencyUtilities.ExecuteWithFileLocked (System.String filePath, System.Action action) [0x00087] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.SettingsFile.ExecuteSynchronized (System.Action ioOperation) [0x0001a] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.SettingsFile..ctor (System.String directoryPath, System.String fileName, System.Boolean isMachineWide) [0x00087] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.Settings.ReadSettings (System.String settingsRoot, System.String settingsPath, System.Boolean isMachineWideSettings) [0x00013] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.Settings.LoadUserSpecificSettings (System.String root, System.String configFileName, System.Boolean useTestingGlobalPath) [0x00053] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.Settings.LoadSettingsForSpecificConfigs (System.String root, System.String configFileName, System.Collections.Generic.List`1[T] validSettingFiles, NuGet.Configuration.IMachineWideSettings machineWideSettings, System.Boolean loadUserWideSettings, System.Boolean useTestingGlobalPath) [0x00007] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.Settings.LoadSettings (System.String root, System.String configFileName, NuGet.Configuration.IMachineWideSettings machineWideSettings, System.Boolean loadUserWideSettings, System.Boolean useTestingGlobalPath) [0x00072] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.Configuration.Settings.LoadDefaultSettings (System.String root, System.String configFileName, NuGet.Configuration.IMachineWideSettings machineWideSettings) [0x00000] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.CommandLine.Command.Execute () [0x00066] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
  at NuGet.CommandLine.Program.MainCore (System.String workingDirectory, System.String[] args) [0x001b2] in <dc1b484fc03b4c9e94db6d2032a7a13d>:0 
##[error]The nuget command failed with exit code(1) and error(NuGet.Config is not valid XML. Path: '/home/az_devops_agent/.config/NuGet/NuGet.Config'.
  Data at the root level is invalid. Line 11, position 1.)
##[error]Packages failed to publish

Relevant log output

/usr/bin/mono /home/az_devops_agent/agent/_work/_tool/NuGet/4.9.6/x64/nuget.exe push /home/az_devops_agent/agent/_work/334/release-pipeline/nupkgs/example.4.0.0.nupkg -NonInteractive -Source https://pkgs.dev.azure.com/XXX/XXX/nuget/v3/index.json -ApiKey VSTS -Verbosity Detailed
NuGet.Config is not valid XML. Path: '/home/az_devops_agent/.config/NuGet/NuGet.Config'.
  Data at the root level is invalid. Line 11, position 1.
NuGet.Configuration.NuGetConfigurationException: NuGet.Config is not valid XML. Path: '/home/az_devops_agent/.config/NuGet/NuGet.Config'. ---> System.Xml.XmlException: Data at the root level is invalid. Line 11, position 1.

##[error]The nuget command failed with exit code(1) and error(NuGet.Config is not valid XML. Path: '/home/az_devops_agent/.config/NuGet/NuGet.Config'.
  Data at the root level is invalid. Line 11, position 1.)
##[error]Packages failed to publish

Aditional info

We had this issue with the UseDotnet Task a few weeks ago. They fixed the bug with that task, but not with this one.

See [18839](https://github.com/microsoft/azure-pipelines-tasks/issues/18839)

[Poltergeisen]

Any updates on this?

[github-actions]

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