# IOException

- **ID:** `java/ioexception`
- **Domain:** java
- **Category:** io_error
- **Error Code:** `IOException`
- **Verification:** official
- **Fix Rate:** 80%

## Root Cause

I/O operation failed. Base class for all I/O exceptions.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 8+ | active | — | — |