System.Data.SqlClient.SqlException : Database 'iris' cannot be upgraded because it is read-only, has read-only files or the user does not have permissions to modify some of the files. Make the database or files writeable, and rerun recovery.
Cannot attach the file '...\artifacts\bin\Microsoft.ML.Tests\Debug\net8.0\TestDatabases\iris.mdf' as database 'iris'.
{
"ErrorMessage": "cannot be upgraded because it is read-only",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1493245
Build error leg or test failing: MachineLearning-CodeCoverage / Windows_x64 Build_Debug / Run All Tests. (Microsoft.ML.Tests.DatabaseLoaderTests)
Pull request: #7653
The
DatabaseLoaderTests.Iris*tests fail when LocalDB attachesTestDatabases\iris.mdfas read-only on the1es-windows-2022-openpool image, so the connection cannot be opened:Affected tests:
Microsoft.ML.Tests.DatabaseLoaderTests.IrisLightGbmMicrosoft.ML.Tests.DatabaseLoaderTests.IrisLightGbmWithLoadColumnNameMicrosoft.ML.Tests.DatabaseLoaderTests.IrisLightGbmWithTimeoutMicrosoft.ML.Tests.DatabaseLoaderTests.IrisSdcaMaximumEntropyMicrosoft.ML.Tests.DatabaseLoaderTests.IrisVectorLightGbmError Message
Fill the error message using step by step known issues guidance.
{ "ErrorMessage": "cannot be upgraded because it is read-only", "ErrorPattern": "", "BuildRetry": false, "ExcludeConsoleLog": false }Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1493245
Error message validated:
[cannot be upgraded because it is read-only]Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/7/2026 8:45:27 AM UTC
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