DatabaseException - "unable to open database file" on iOS
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 25/100
Research direction
The report names no repository file or test; start by reproducing the failure on iOS or a TestFlight build and trace the cache manager's database update and insert paths. Compare the custom and default database configurations, then document the cause and verify that the affected cache operations complete without the database-open error.
Written by the indexing model from the issue text.
Description
Package: [flutter_cache_manager]
Platform: iOS
Error: DatabaseException(Error Domain=SqfliteDarwinDatabase Code=14 "unable to open database file")
🔍 Description
While using the package, I occasionally encounter the following error on iOS:
#0 wrapDatabaseException (package:sqflite_platform_interface/src/platform_exception.dart:12)
<asynchronous suspension>
#1 SqfliteDatabaseMixinExt._txnRawUpdateOrDelete.<anonymous closure> (package:sqflite_common/src/database_mixin.dart:318)
<asynchronous suspension>
#2 BasicLock.synchronized (package:synchronized/src/basic_lock.dart:36)
<asynchronous suspension>
#3 SqfliteDatabaseMixin.txnSynchronized (package:sqflite_common/src/database_mixin.dart:517)
<asynchronous suspension>
This seems to happen when the cache manager tries to update or insert entries in the database. It appears that the database file is either not found or not accessible at runtime.
✅ What I’ve Tried
- Verified that I'm not deleting or moving the database file manually.
- Tried using
CacheManagerwith a custom config and custom database name. - Happens mostly in production or TestFlight builds — not consistently reproducible in debug mode.
- Dominant language
- Dart
- Stars
- 810
- Forks
- 510
- Avg merge
- 2d 2h
- Merged PRs (30d)
- 11
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
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- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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