EC
SQLITE_IOERR_DELETE
SQLiteERRORNotableI/O Errorofficial confidence

I/O error deleting journal file

Production Risk

Medium — stale journal left; will be recovered on next open.

What this means

SQLITE_IOERR_DELETE (2570) is returned when SQLite cannot delete the rollback journal or WAL file after a transaction completes. This can leave a stale journal file.

Why it happens
  1. 1File is locked by another process.
  2. 2Filesystem is read-only.
  3. 3Insufficient permissions to delete the journal file.
How to reproduce

Post-commit journal cleanup.

trigger — this will error
trigger — this will error
# Stale -journal file: my.db-journal remains after error
# Next open will trigger hot journal recovery

expected output

sqlite3.DatabaseError: disk I/O error

Fix 1

Fix 2

Fix 3

Sources
Official documentation ↗

sqlite3.h — SQLITE_IOERR_DELETE = 2570

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