Umbraco 13 site has been running along fine for months and then this morning it’s down, won’t come back up. Errors seem to be all along the lines of this - any advice as to what we could try? Have tried usual app pool restarts, site restarts, cleared out temp folder etc. Can’t get into the back end either. Thanks!
{"@t":"2025-05-07T07:54:00.8538757Z","@mt":"{StartMessage} [Timing {TimingId}]","StartMessage":"Examine shutting down","TimingId":"34dfa93","SourceContext":"Umbraco.Cms.Core.Logging.ProfilingLogger","ProcessId":6572,"ProcessName":"w3wp","ThreadId":20,"ApplicationId":"980723de35b2a434698704ac817cea2393191c0f","MachineName":"RADE-XH23","Log4NetLevel":"INFO "}
{"@t":"2025-05-07T07:54:02.0293397Z","@mt":"Connection ID \"{ConnectionId}\", Request ID \"{TraceIdentifier}\": An unhandled exception was thrown by the application.","@l":"Error","@x":"System.ObjectDisposedException: this ReferenceManager is disposed.\r\nObject name: 'Lucene.Net.Search.SearcherManager'.\r\n at Lucene.Net.Search.ReferenceManager`1.Acquire()\r\n at Lucene.Net.Search.SearcherManager.IsSearcherCurrent()\r\n at Examine.Lucene.Providers.LuceneSearcher.GetSearchContext()\r\n at Examine.Lucene.Providers.BaseLuceneSearcher.CreateQuery(String category, BooleanOperation defaultOperation, Analyzer luceneAnalyzer, LuceneSearchOptions searchOptions)\r\n at Examine.Lucene.Providers.BaseLuceneSearcher.CreateQuery(String category, BooleanOperation defaultOperation)\r\n at AspNetCore.Views_Partials_website_MiscPageElements_SearchResults.ExecuteAsync()\r\n at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context)\r\n at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, Boolean invokeViewStarts)\r\n at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context)\r\n at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.RenderPartialCoreAsync(String partialViewName, Object model, ViewDataDictionary viewData, TextWriter writer)\r\n at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.PartialAsync(String partialViewName, Object model, ViewDataDictionary viewData)\r\n at AspNetCore.Views_USNSearchResultsPage.ExecuteAsync() in D:\\inetpub\\WebsiteName\\www-u13\\Views\\USNSearchResultsPage.cshtml:line 42\r\n at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context)\r\n at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, Boolean invokeViewStarts)\r\n at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context)\r\n at