XML Error
– Task applicationcontent has failed with an unknown exception
SharePoint 2013 Product Configuration wizard Failed during the Cumulative Update installation with below error
Task applicationcontent has failed with an unknown exception
ERR Exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.SharePoint.Administration.SPAspConfigurationFile.ApplyActionToXmlDocument(XmlDocument xdAction, XmlDocument xd, String sourceFileName, SupportedXmlDocutmentActions supportedActions)
at Microsoft.SharePoint.Administration.SPAspConfigurationFile.MergeWebConfig(XmlDocument xdWebConfig, String fileMask)
at Microsoft.SharePoint.Administration.SPWebService.ApplyApplicationContentToLocalServer()
at Microsoft.SharePoint.PostSetupConfiguration.ApplicationContentTask.Run()
at Microsoft.SharePoint.PostSetupConfiguration.TaskThread.ExecuteTask(Finally Microsoft Article came in to rescue saying this error caused because Web Application Web Configs are having Commented lines <!—comments –!>
When we remove the comments in Web Config PSConfig executed successfully
Microsoft Article
