# InvalidExceptionFilterException

**Kind:** Class

**Source:** [`packages/core/errors/exceptions/invalid-exception-filter.exception.ts`](https://github.com/nestjs/nest/blob/master/packages/core/errors/exceptions/invalid-exception-filter.exception.ts#L4)

**Part of:** [Core](subsystem-packages-core)

**Extends:** `RuntimeException`

## Used by

2 references from 2 files. Each is a place in this repository where the symbol is actually used — go read one rather than trusting an example.

### Imported by (2)

- `RpcExceptionsHandler` — `packages/microservices/exceptions/rpc-exceptions-handler.ts`:13
- `WsExceptionsHandler` — `packages/websockets/exceptions/ws-exceptions-handler.ts`:12