Failures during symbol publishing step

Multiple reports of failures during the symbol publishing job that look like:

.packages\microsoft.dotnet.arcade.sdk\5.0.0-beta.19556.10\tools\SdkTasks\PublishToSymbolServers.proj(86,5): error : Failed processing D:\a\1\a\PDBArtifacts\VS.Web.CG.Design\net461\dotnet-aspnet-codegenerator-design.pdb Blob:3c9f66097f09e7f701c0b53b26791a00561f31b587e665a7a0b9b38becab547300 index dotnet-aspnet-codegenerator-design.pdb/aca39894871b497d90298a438424d3821/dotnet-aspnet-codegenerator-design.pdb
.packages\microsoft.dotnet.arcade.sdk\5.0.0-beta.19556.10\tools\SdkTasks\PublishToSymbolServers.proj(86,5): error : 1 exceptions occurred during processing. First 1 exception(s) stored. (Object reference not set to an instance of an object.)
.packages\microsoft.dotnet.arcade.sdk\5.0.0-beta.19556.10\tools\SdkTasks\PublishToSymbolServers.proj(86,5): error : Object reference not set to an instance of an object.
.packages\microsoft.dotnet.arcade.sdk\5.0.0-beta.19556.10\tools\SdkTasks\PublishToSymbolServers.proj(86,5): error : AttemptCount 0
.packages\microsoft.dotnet.arcade.sdk\5.0.0-beta.19556.10\tools\SdkTasks\PublishToSymbolServers.proj(86,5): error : LastBackoff 
.packages\microsoft.dotnet.arcade.sdk\5.0.0-beta.19556.10\tools\SdkTasks\PublishToSymbolServers.proj(86,5): error : 1 exceptions occurred during processing. First 1 exception(s) stored. (Object reference not set to an instance of an object.)
at Microsoft.SymbolUploader.PublishOperation.PublishFilesAsync(SymbolHttpClient httpClient, CancellationToken cancellationToken, IEnumerable`1 fileInfos) in /_/src/Microsoft.SymbolUploader/PublishOperation.cs:line 521
at Microsoft.SymbolUploader.PublishOperation.PerformOperationAsync(IEnumerable`1 fileInfos) in /_/src/Microsoft.SymbolUploader/PublishOperation.cs:line 478
at Microsoft.SymbolUploader.PublishOperation.PerformOperationAsync(IEnumerable`1 fileInfos) in /_/src/Microsoft.SymbolUploader/PublishOperation.cs:line 481
at Microsoft.SymbolUploader.PublishOperation.PublishFiles(IEnumerable`1 fileInfos) in /_/src/Microsoft.SymbolUploader/PublishOperation.cs:line 292
at Microsoft.SymbolUploader.Build.Task.PublishSymbolsHelper.Publish(TaskLoggingHelper log, String symbolServerPath, String personalAccessToken, IEnumerable`1 inputPackages, IEnumerable`1 inputFiles, HashSet`1 packageExcludeFiles, String requestName, Int32 expirationInDays, DateTime expirationDate, Boolean convertPortablePdbsToWindowsPdbs, HashSet`1 pdbConversionTreatAsWarning, Boolean dryRun, Boolean timer, Boolean verboseLogging) in /_/src/Microsoft.SymbolUploader.Build.Task/PublishSymbols.cs:line 335
Build failed.

Example builds: https://dnceng.visualstudio.com/internal/_build/results?buildId=419023 https://dnceng.visualstudio.com/internal/_build/results?buildId=417308

[mikem8361]

Can you create the new issue in the symstore repo, assign it to me and add the “symbol-uploader” label

[JohnTortugo]

Issue is here: https://github.com/dotnet/symstore/issues/148 . I don’t have permission to add labels.