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https://issues.apache.org/jira/browse/CB-1316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shazron Abdullah resolved CB-1316.
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Resolution: Duplicate
Fix Version/s: 2.1.0
Thanks for the bug report. This a duplicate of CB-994 which will be in Cordova
2.1.0
> Lose contents of localStorage if backed up while Journal emptying: "Error:
> database disk image is malformed"
> ------------------------------------------------------------------------------------------------------------
>
> Key: CB-1316
> URL: https://issues.apache.org/jira/browse/CB-1316
> Project: Apache Cordova
> Issue Type: Bug
> Affects Versions: 1.8.1
> Environment: iOS 5.1+
> Reporter: Nick Richards
> Priority: Critical
> Labels: database, ios5.1, localstorage
> Fix For: 2.1.0
>
>
> The v1.6.1 workaround/fix CB-330 for iOS 5.1's localStorage iCloud-related
> file-deletion allows me to use localStorage in my app. However localStorage
> is sporadically and thereafter persistently blank when I relaunch my
> application.
> Further, when I Download the application via Xcode Organizer to my Mac and
> open it using SQLITE3 the database is reported to be corrupt: "Error:
> database disk image is malformed" is what sqlite says. This is seen in
> (xcappdata)/AppData/Documents/Backups/localstorage.appdata.db as well as
> AppData/Library/Caches/file__0.localstorage, after an app exit and restart.
> Sometimes I must time things to rapidly exit after using localStorage in the
> app (writing to the database) for this situation to occur. Also my
> application is set to exit when the user backgrounds it, via the info.plist
> "Application does not run in background" (aka UIApplicationExitsOnSuspend =
> YES) setting.
> I expect the localStorage DB to not be corrupted / blank when I resume my
> application.
> I once saw a SQLITE DB Journal file show up:
> AppData/Library/Caches/file__0.localstorage.journal in Xcode's Organizer
> window while I was using my app. This got me thinking that Cordova's
> https://github.com/apache/incubator-cordova-ios/blob/master/CordovaLib/Classes/CDVLocalStorage.m
> CB-330 implementation needs a tweak: wait to perform the backup until after
> the Journal file has been written. I figure if Cordova backs-up the database
> while the Journal is still being emptied then we'll get a corrupted
> localStorage!
> Thank you,
> Nick
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