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https://issues.apache.org/jira/browse/CB-13203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16362478#comment-16362478
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Jan Piotrowski (Sujan) commented on CB-13203:
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Hey [~hoffmanjon], is this issue still relevant for you? Did I assume correctly
that you were testing this with `cordova-windows` version 5.0.0?
> Windows UWP shared Local Folder being removed on app update
> -----------------------------------------------------------
>
> Key: CB-13203
> URL: https://issues.apache.org/jira/browse/CB-13203
> Project: Apache Cordova
> Issue Type: Bug
> Components: cordova-windows
> Affects Versions: 5.0.0
> Environment: When running on the Windows 10 platform
> Reporter: Jon Hoffman
> Assignee: Jesse MacFadyen
> Priority: Critical
> Labels: cordova-7.0.1, data-corruption, data-integrity,
> data-loss, windows-universal
>
> We are writing an application using Ionic 2 for Windows 10. The application
> will need to share data between different users on the same machine therefore
> we are using the shared local folder to save the data to as described in the
> "Using Shared Local" section of this page:
> https://blogs.windows.com/buildingapps/2016/05/24/sharing-your-local-app-data
> This method works great and we are able to write information to the shared
> local folder however when the application updates, all of the files in the
> shared local folder are removed.
> I tested this by updating the Cordova-Sqlite-Storage plugin to use the shared
> local folder and also with a proof of concept app
> (https://github.com/hoffmanjon/Cordova_Windows_UWP_Shared_Local_Folder3 ,
> https://github.com/hoffmanjon/Cordova_Windows_UWP_Shared_Local_Folder_plugin).
>
> I did create a native c# application to see if we had the same behavior when
> we updated a native application. When we updated the native app the shared
> local folder was not removed therefore this is an issue specific to the
> hybrid application.
> I put my proof of concept application that simply writes a text file to the
> shared local folder and the application local folder that can be used to see
> how the shared local folder is removed when we update the app. The repository
> is located here:
> https://github.com/hoffmanjon/Cordova_Windows_UWP_Shared_Local_Folder and
> includes a windows plugin to write to the shared local folder.
> You will need to set a group policy to get the shared local folders working.
> In the "Using Shared Local" section of this page:
> https://blogs.windows.com/buildingapps/2016/05/24/sharing-your-local-app-data
> it describes how to change the policy and which one to change.
> I have updated to Cordova 7.0.1 and built the proof of concept app to see if
> we have the same issue as describe with version 6.5
> (https://issues.apache.org/jira/browse/CB-12928). After updating the
> application the shared local folder is removed therefore the same issue
> exists with Cordova 7.0.1.
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