# net.ErrClosed

- **ID:** `go/net-errclosed`
- **Domain:** go
- **Category:** network_error
- **Verification:** official
- **Fix Rate:** 80%

## Root Cause

Listener is closed. Accept() called on a listener that has been closed.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 1.x | active | — | — |