Critical fix - service MUST be running for SQL*Plus connection:
Problem (confirmed by user):
- After cleanup, service is stopped
- sqlplus / as sysdba → ORA-12560: TNS:protocol adapter error
- Start-Service blocks indefinitely (user saw 25+ warnings)
- Service takes ~30 seconds to start
Previous attempt (WRONG):
- Assumed SQL*Plus works with stopped service ✗
- User proved ORA-12560 occurs when service stopped ✓
Correct Solution:
- Start service in background job (non-blocking)
- Poll service status every 3 seconds
- Timeout after 60 seconds (2x expected startup time)
- Progress logging every 15 seconds
- Cleanup background job when done
Implementation:
```powershell
Start-Job { Start-Service OracleServiceROA }
while (elapsed < 60s) {
if (service.Status == Running) → break
sleep 3s
}
```
Result:
- Service starts in ~30s (user confirmed)
- Script doesn't block
- SQL*Plus can connect successfully
- Graceful fallback if timeout exceeded
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
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