CODEWITHSUNDEEP
azure-devops
ree6
ree6

Reputation: 405

Azure build failing due to Method not found: 'System.ReadOnlySpan`1<Char> Microsoft.IO.Path.GetFileName(System.ReadOnlySpan`1<Char>)

Ugh....Microsoft have done something.

All our builds that have been kicked off in the last few hours (approx 10:00 GMT) are failing on our "Build Solution step" failing because of the following error (from the logs):

##[error]EXEC(0,0): Error : Error occurred during processing of input file 'XXX.XXX.dll' --> Method not found: 'System.ReadOnlySpan1 Microsoft.IO.Path.GetFileName(System.ReadOnlySpan1<Char>)'.

enter image description here

Does anyone have any ideas on this? Nothing in our codebase has changed.

If you need more information please let me know. Thanks

Upvotes: 2

Views: 2940

Answers (1)

gplwhite
gplwhite

Reputation: 116

FYI, this seems to be caused by a recent update to MSBuild (https://github.com/dotnet/msbuild/pull/7680) that has updated the version of System.Memory.

It looks like the obfuscation tool you're using in your build pipeline is built against a previous version of System.Memory and now that the version provided by the MSBuild environment has changed, the obfuscation tool is broken. Most likely requires the obfuscation tool to be updated.

(PS. I'm just relaying the information that others have identified where other tools are having the same issue - see https://github.com/T4MVC/R4MVC/issues/172)

Upvotes: 6

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