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  • Christine 115 posts 288 karma points
    May 18, 2017 @ 18:18
    Christine
    0

    The Xml cache is corrupt. Use the Health Check data integrity dashboard to fix it.

    I'm not liking 7.6.1 so far!

    Latest error message and I'm not sure what to do. This is the web browser message & stack trace error from the umbraco back office. I was just editing a content page and blamo!

    The Xml cache is corrupt. Use the Health Check data integrity dashboard to fix it.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.Exception: The Xml cache is corrupt. Use the Health Check data integrity dashboard to fix it.

Source Error: 

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 


[Exception: The Xml cache is corrupt. Use the Health Check data integrity dashboard to fix it.]
   Umbraco.Web.PublishedCache.XmlPublishedCache.PublishedContentCache.HasContent(UmbracoContext umbracoContext, Boolean preview) +243
   Umbraco.Web.PublishedCache.ContextualPublishedCache`1.HasContent(Boolean preview) +34
   Umbraco.Web.UmbracoModule.EnsureUmbracoRoutablePage(UmbracoContext context, HttpContextBase httpContext) +173
   Umbraco.Web.UmbracoModule.ProcessRequest(HttpContextBase httpContext) +284
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +80
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +165

    Back office error:

    Received an error from the server
An error occurred

Object reference not set to an instance of an object.

Exception Details:

System.NullReferenceException: Object reference not set to an instance of an object.

Stack Trace:
    at umbraco.cms.businesslogic.web.Document.ToXml(XmlDocument xd, Boolean Deep)
       at umbraco.content.PublishNodeDo(Document d, XmlDocument xmlContentCopy, Boolean updateSitemapProvider)
       at umbraco.content.UpdateDocumentCache(Document d)
       at Umbraco.Web.Cache.PageCacheRefresher.Refresh(IContent instance)
       at Umbraco.Core.Sync.ServerMessengerBase.DeliverLocal[T](ICacheRefresher refresher, MessageType messageType, Func`2 getId, IEnumerable`1 instances)
       at Umbraco.Core.Sync.ServerMessengerBase.Deliver[T](IEnumerable`1 servers, ICacheRefresher refresher, MessageType messageType, Func`2 getId, IEnumerable`1 instances)
       at Umbraco.Web.Cache.DistributedCache.Refresh[T](Guid factoryGuid, Func`2 getNumericId, T[] instances)
       at Umbraco.Web.Cache.DistributedCacheExtensions.RefreshPageCache(DistributedCache dc, IContent[] content)
       at Umbraco.Core.Events.TypedEventHandler`2.Invoke(TSender sender, TEventArgs e)
       at Umbraco.Core.Events.ScopeEventDispatcher.ScopeExitCompleted()
       at Umbraco.Core.Events.ScopeEventDispatcherBase.ScopeExit(Boolean completed)
       at Umbraco.Core.Scoping.Scope.TryFinally(Int32 index, Action[] actions)
       at Umbraco.Core.Scoping.Scope.TryFinally(Int32 index, Action[] actions)
       at Umbraco.Core.Scoping.Scope.RobustExit(Boolean completed, Boolean onException)
       at Umbraco.Core.Scoping.Scope.DisposeLastScope()
       at Umbraco.Core.Scoping.Scope.Dispose()
       at Umbraco.Core.Persistence.UnitOfWork.ScopeUnitOfWork.DisposeResources()
       at Umbraco.Core.DisposableObject.Dispose(Boolean disposing)
       at Umbraco.Core.DisposableObject.Dispose()
       at Umbraco.Core.Services.ContentService.SaveAndPublishDo(IContent content, Int32 userId, Boolean raiseEvents)
       at Umbraco.Web.Editors.ContentController.PostSave(ContentItemSave contentItem)
       at lambda_method(Closure , Object , Object[] )
       at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ActionExecutor.<>c__DisplayClass10.<GetExecutor>b__9(Object instance, Object[] methodParameters)
       at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext controllerContext, IDictionary`2 arguments, CancellationToken cancellationToken)
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Controllers.ApiControllerActionInvoker.<InvokeActionAsyncCore>d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__2.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.AuthorizationFilterAttribute.<ExecuteAuthorizationFilterAsyncCore>d__2.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.AuthorizationFilterAttribute.<ExecuteAuthorizationFilterAsyncCore>d__2.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Web.Http.Filters.AuthorizationFilterAttribute.<ExecuteAuthorizationFilterAsyncCore>d__2.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
       at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()
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  • Craig Mayers 164 posts 507 karma points
    May 19, 2017 @ 14:14
    Craig Mayers
    2

    Hi Christine,

    Have you tried deleting and regenerating your Umbraco cache file?

    You can find it in:

    ~/App_Data/umbraco.config

    Once you have deleted it, recycle your AppPool and hit your site again and it should automatically re-create it for you.

    Regards

    Craig

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  • John Moss 14 posts 94 karma points
    Jun 29, 2018 @ 21:46
    John Moss
    0

    Hi Christine, did this resolve your issue?

    Hi Craig, we deleted and regenerated our Umbraco cache, and the issue came right back. The new cache was corrupted again.

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  • Owen Blacker 19 posts 91 karma points
    Jun 01, 2020 @ 17:15
    Owen Blacker
    0

    Thank you. Recycling the app pool afterwards was the thing I hadn't done that fixed me having exactly this problem just now.

    Thank you! 😊

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  • Santhosh 58 posts 99 karma points
    Jan 24, 2018 @ 07:13
    Santhosh
    0

    Hi Christine, We had the same problem, I could publish the page after removing umbraco.config and recyle app pool! But why this error happens in the first place? how can we avoid this on PRODUCTION SITE?

    Thanks!

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  • Anthony 20 posts 137 karma points
    Feb 23, 2018 @ 11:39
    Anthony
    0

    Quick note just to highlight that I received this error whilst setting up a staging website - 7.6.5, Plesk, FTP copy, database copy, some file permission issues (resolved), App_Data/Cache not copied - and was stumped for a while on this.

    Copying over the other site's App_Data moved the error along to a PetaPoco Null Argument Exception but the connection string was fine.

    The problem? <add key="umbracoUseSSL" value="true"/> The staging website didn't have an SSL certificate or even a domain attached.

    Edit: Sorry should have made it clear - setting <add key="umbracoUseSSL" value="false"/> solved the issue. Deleting Umbraco.config (and\or the App_Data folder) and refreshing the application folder didn't resolve this version of the issue.

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  • Dan Diplo 1505 posts 5911 karma points MVP 4x c-trib
    Feb 23, 2018 @ 12:45
    Dan Diplo
    0

    Have you tried doing as the error advises and use the Health Check data integrity dashboard to fix it?

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  • Anthony 20 posts 137 karma points
    Feb 23, 2018 @ 13:04
    Anthony
    0

    @Dan - I've update my original post to make things a little more clear. Just wanted to post to help others in the same predicament. I couldn't run the Health Check as the website didn't progress that far (unless there is an offline way to check); besides which the file was A okay on the Live environment. Thanks.

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  • Alex Skrypnyk 5908 posts 22603 karma points MVP 4x admin c-trib
    Sep 27, 2019 @ 14:08
    Alex Skrypnyk
    0

    any idea how to prevent this error in the future?

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