When this page is relevant
Compile-time guidance for scope leaks, services escaping scopes, and using resolved services after the scope ends in ASP.NET Core and .NET apps.
Problem guide
Fix ObjectDisposedException From Scoped Services
These diagnostics catch the most common scope-lifetime mistakes that lead to disposed-service failures in background jobs, middleware, and startup code.
Recommended install command
dotnet add package DependencyInjection.Lifetime.Analyzers --version 2.2.2Relevant diagnostics
The rules that cover this failure mode
DI001
Service Scope Not Disposed
`IServiceScope` instances created with `CreateScope()` or `CreateAsyncScope()` that are never disposed.
DI002
Scoped Service Escapes Scope
a service resolved from a scope that is returned or stored somewhere longer-lived.
DI004
Service Used After Scope Disposed
using a service after the scope that produced it has already ended.
DI014
Root Service Provider Not Disposed
root providers from `BuildServiceProvider()` that are never disposed.