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Last night, at about 10:30pm (BST) our Umbraco site went down. When visiting the site we would be presented with a YSOD with the following exception:
Exception type: InvalidCastException
Exception message: Specified cast is not valid.
at Umbraco.Core.Persistence.Database.PocoData.<GetConverter>b__3b(Object src)
at petapoco_factory_48(IDataReader )
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
at Umbraco.Core.Persistence.Repositories.LanguageRepository.PerformGetAll(Int32 ids)
at Umbraco.Core.Persistence.Repositories.RepositoryBase`2.GetAll(TId ids)
at Umbraco.Web.UmbracoModule.ProcessRequest(HttpContextBase httpContext)
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
Although I have resolved the issue by rebooting the server I have no idea why it happened. Or if there was another way to resolve the issue. There were no content changes and the site had been stable prior to this.
Has anyone seen this error before? and if so, any ideas on what could have caused it?
This is a longshot...but since you're running 2012 R2 it might be worth checking if you're perhaps affected by this issue? http://issues.umbraco.org/issue/U4-6338
Hi Nik, I'm experiencing similar issues on a 7.15.7 installation. Did you ever find out what was causing the issue?
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