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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Exporting a page gets stuck on "In Progress"Exporting a page gets stuck on "In Progress"
New Post
7/10/2018 9:31 PM
I am trying to export a page in DNN 9.1.1 using the "Import / Export" wizard. I can submit the export request, and the progress reaches 100%, but the export never finishes. The Admin Log shows the following error:

Log Type: "Scheduler Exception"
Message: "Object reference not set to an instance of an object"
StackTrace: "at Dnn.ExportImport.Components.Services.PagesExportService.<>c__DisplayClass61_0.b__0(PackageInfo p) at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate) at DotNetNuke.Services.Installer.Packages.PackageController.GetExtensionPackage(Int32 portalId, Func`2 predicate) at Dnn.ExportImport.Components.Services.PagesExportService.ExportModulePackage(ExportModule exportModule) at Dnn.ExportImport.Components.Services.PagesExportService.ExportTabModulesAndRelatedItems(ExportTab exportPage, DateTime toDate, Nullable`1 fromDate) at Dnn.ExportImport.Components.Services.PagesExportService.ProcessExportPages() at Dnn.ExportImport.Components.Services.PagesExportService.ExportData(ExportImportJob exportJob, ExportDto exportDto) at Dnn.ExportImport.Components.Engines.ExportImportEngine.Export(ExportImportJob exportJob, ExportImportResult result, ScheduleHistoryItem scheduleHistoryItem) at Dnn.ExportImport.Components.Scheduler.ExportImportScheduler.DoWork()"

Has anyone encountered anything similar, and if so, what have you done to fix it?
New Post
7/12/2018 2:42 PM
I was able to work around this by adding a check in DnnExportImport's PagesExportService.cs's ExportModulePackage after the following line:

var desktopModule = DesktopModuleController.GetDesktopModule(desktopModuleId, Null.NullInteger);

to see if the desktop module is null, and if so, not do any additional things with it. This seems to work, as the backup completed successfully. However, I do not understand why this line was retrieving a null module in the first place. If anyone needs the modified source code, feel free to PM me.
New Post
7/13/2018 6:53 AM

thank you for pointing this out. But the way to fix it really should be making a pull request on GitHub, and not to distribute solutions via private messages - so feel free to do that.

Happy DNNing!

Michael Tobisch
DNN★MVP - The most vibrant community around the DNN-platform
New Post
7/14/2018 6:59 PM
I agree with Michael, it would be helpful to log the issue in our GitHub repository and awesome, if you could also submit your fix as a pull request!

Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
New Post
7/19/2018 4:55 PM
Okay, I submitted a new issue on GitHub. Here is the link:
HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Exporting a page gets stuck on "In Progress"Exporting a page gets stuck on "In Progress"

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