We're upgrading from Sitecore 8.1 Update 3 to Sitecore 9.1. We use Solr for xConnect search, Lucene for web site search The CM is working, but the CD is not. Got the following error message:
Server Error in '/' Application.
Post condition failed
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.InvalidOperationException: Post condition failed
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:
[InvalidOperationException: Post condition failed]
Sitecore.Diagnostics.Assert.ResultNotNull(T result, String message) +85
Sitecore.Configuration.DefaultFactory.GetDatabase(String name) +86
Sitecore.Configuration.DefaultFactory.GetDatabases() +121
I have this in the log file:
6948 2019:03:12 12:22:08 ERROR Error loading hook: <hook
type="Sitecore.ContentSearch.Hooks.Initializer, Sitecore.ContentSearch" patch:source="Sitecore.ContentSearch.config" xmlns:patch="http://www.sitecore.net/xmlconfig/" />
Exception: System.InvalidOperationException
Message: Post condition failed
Source: Sitecore.Kernel
at Sitecore.Diagnostics.Assert.ResultNotNull[T](T result, String message)
at Sitecore.Configuration.DefaultFactory.GetDatabase(String name)
at Sitecore.Configuration.DefaultFactory.GetDatabases()
at Sitecore.Abstractions.FactoryWrapper.GetDatabases()
at Sitecore.ContentSearch.Maintenance.EventHub.Initialize()
at Sitecore.ContentSearch.Hooks.Initializer.Initialize()
at Sitecore.Events.Hooks.HookManager.LoadAll()
Any idea? Thanks
Sitecore.Configuration.DefaultFactory.GetDatabase(String name)
. Any reason why it would happen?