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From "Roy Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-330) localStorage / SQLDatabase no longer persistent after iOS 5.01 Update
Date Tue, 24 Apr 2012 20:54:09 GMT

    [ https://issues.apache.org/jira/browse/CB-330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13261005#comment-13261005
] 

Roy Yang commented on CB-330:
-----------------------------

Ah I see what the issue is.  I looked at the console in xCode organizer.  It appears that
the application gets a new ID or there is an inconsistency in the ID and I'm getting deny
file-write-create /private/var/mobile/Applications/F2BE3CCA-AB36-4498-A7B0-81CB6D643512. 
On subsequent closing down and reopening of the app, I no longer see that message:

Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: ===Start CDVLocalStorageDiagnostics==========
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: iOS version: 5.1
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: =============================================
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Printing list of backup info.
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: --------------------------------------
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Label: localStorage database
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: shouldBackup: YES shouldRestore:
NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Original: /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/Caches/file__0.localstorage
Exists?: YES
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Backup: /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Documents/Backups/localstorage.appdata.db
Exists?: YES
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: --------------------------------------
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Label: websql main database
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: shouldBackup: NO shouldRestore:
NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Original: /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/Caches/Databases.db
Exists?: NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Backup: /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Documents/Backups/websqlmain.appdata.db
Exists?: NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: --------------------------------------
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Label: websql databases
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: shouldBackup: NO shouldRestore:
NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Original: /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/Caches/file__0
Exists?: NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Backup: /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Documents/Backups/websqldbs.appdata.db
Exists?: NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: =============================================
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Printing folder locations, check
for existence.
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Path /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/Caches
exists?: YES
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Path /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/WebKit
exists?: NO
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: =============================================
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Checking plist /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/Preferences/com.fsgi.GreenSolutions.plist
for WebKit keys.
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Key: WebKitLocalStorageDatabasePathPreferenceKey
Value: /var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/Caches
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: Key: WebDatabaseDirectory Value:
/var/mobile/Applications/15D854F8-CAD6-4E91-8665-349609846668/Library/Caches
Apr 24 16:50:45 unknown GreenSolutions[1451] <Warning>: ===End CDVLocalStorageDiagnostics============
> 
Apr 24 16:50:47 unknown sandboxd[1452] <Notice>: GreenSolutions(1451) deny file-write-create
/private/var/mobile/Applications/F2BE3CCA-AB36-4498-A7B0-81CB6D643512

                
> localStorage / SQLDatabase no longer persistent after iOS 5.01 Update
> ---------------------------------------------------------------------
>
>                 Key: CB-330
>                 URL: https://issues.apache.org/jira/browse/CB-330
>             Project: Apache Callback
>          Issue Type: Bug
>          Components: iOS
>    Affects Versions: 1.3.0, 1.4.0, 1.5.0
>         Environment: iOS 5.01
> PhoneGap (Any version)
> Xcode 4
> Build.PhoneGap
>            Reporter: Amirudin Bin Mohamed Ghani
>            Assignee: Shazron Abdullah
>            Priority: Blocker
>              Labels: ios5.01, localstorage, sqldatabase, websql
>             Fix For: 1.6.0
>
>         Attachments: CDVLocalStorageDiagnostics.zip, CDVLocalStoragePlugin.zip, Directory-Structure-CB-330.zip,
LocalStorageTest.zip, README.txt, iOS WebKit Database Locations.txt
>
>
> Dear Dev
> WebKit data (localstorage or local SQLite) are now stored in Library/ Caches folder (instead
of Library/WebKit folder). This is a big problem for all apps using UIWebView and storing
user data, because they will no longer be backed up and may be deleted. There are a lot of
apps using localstorage or SQLite as a critical feature. 
> The SQLite database gets deleted because the database is saved in a location on the filesystem
which Apple does not consider to contain persistent data.
> *Steps to Reproduce:* 
> In a UIWebView, create a new DB or use localStorage with JavaScript. 
> You can see that the WebKit data is now stored in Library/Caches :  
> *Expected Results:*
> We should at least specify the directory of WebKit data (and to set it 
> to Documents/ for critical data) 
> *Actual Results:* 
> The WebKit data are stored in Library/Caches folder, and can be 
> deleted 
> *Regression:*
> To migrate database location from Library/Caches to some other location such as Documents.
> ----
> Ref: http://developer.apple.com/icloud/documentation/data-storage/
> https://devforums.apple.com/thread/137882?start=0&tstart=0

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