NullReferenceException in ExpressionDebuggerTypeProxyTests.ThrowOnNullToCtor #118979
Description
[FAIL] System.Linq.Expressions.Tests.ExpressionDebuggerTypeProxyTests.ThrowOnNullToCtor(sourceObject: Param_0)
System.AggregateException : One or more errors occurred. (Didn't find DebuggerTypeProxyAttribute on System.Linq.Expressions.PrimitiveParameterExpression`1[System.Int32].) (Object reference not set to an instance of an object.)
---- Microsoft.DotNet.XUnitExtensions.SkipTestException : Didn't find DebuggerTypeProxyAttribute on System.Linq.Expressions.PrimitiveParameterExpression`1[System.Int32].
---- System.NullReferenceException : Object reference not set to an instance of an object.
----- Inner Stack Trace #1 (Microsoft.DotNet.XUnitExtensions.SkipTestException) -----
at System.Linq.Expressions.Tests.ExpressionDebuggerTypeProxyTests.ThrowOnNullToCtor(Object sourceObject) + 0x205
at System.Linq.Expressions!<BaseAddress>+0x1df7e62
at System.Reflection.DynamicInvokeInfo.InvokeWithFewArguments(IntPtr, Byte&, Byte&, Object[], BinderBundle, Boolean) + 0x91
----- Inner Stack Trace #2 (System.NullReferenceException) -----
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1122491
Build error leg or test failing: Test System.Linq.Expressions.Tests.ExpressionDebuggerTypeProxyTests.ThrowOnNullToCtor
Pull request: #117502
Error Message
Fill the error message using step by step known issues guidance.
{
"ErrorMessage": ["Didn't find DebuggerTypeProxyAttribute","Object reference not set to an instance of an object"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1122491
Error message validated: [DebuggerTypeProxyAttribute Object reference not set to an instance of an object]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 8/22/2025 6:08:25 AM UTC
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1122491
Error message validated: [Didn't find DebuggerTypeProxyAttribute.*Object reference not set to an instance of an object]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 8/22/2025 6:11:45 AM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 0 | 0 |
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1122491
Error message validated: [Didn't find DebuggerTypeProxyAttribute Object reference not set to an instance of an object]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 8/22/2025 10:48:50 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 0 | 0 |
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 0 | 0 |