ReportingおよびProcessingインスタンスでの「Unknown connection string. Name: 'web'」エラー


解説

ReportingおよびProcessingインスタンスのログ ファイルに、以下のエラー メッセージが出力されることがあります：

ERROR Exception
Exception: System.Reflection.TargetInvocationException
Message: Exception has been thrown by the target of an invocation.
Source: mscorlib
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at Sitecore.Reflection.ReflectionUtil.InvokeMethod(MethodInfo method, Object[] parameters, Object obj)
   at Sitecore.Jobs.JobRunner.RunMethod(JobArgs args)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Jobs.Job.DoExecute()
   at Sitecore.Jobs.Job.ThreadEntry(Object state)

Nested Exception

Exception: System.InvalidOperationException
Message: Unknown connection string. Name: 'web'
Source: Sitecore.Kernel
   at Sitecore.Configuration.DefaultSettings.GetConnectionString(String connectionStringName)
   at Sitecore.Configuration.DefaultFactory.CreateFromConnectionStringName(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert, IFactoryHelper helper)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.GetInnerObject(XmlNode paramNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.GetConstructorParameters(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateFromTypeName(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert, IFactoryHelper helper)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateObject(String configPath, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateFromReference(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert, IFactoryHelper helper)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.GetInnerObject(XmlNode paramNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.GetConstructorParameters(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateFromTypeName(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert, IFactoryHelper helper)
   at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, Boolean assert)
   at Sitecore.Data.Properties.DefaultPropertyStoreProvider.ReadPropetiesStores()
   at Sitecore.Data.Properties.DefaultPropertyStoreProvider.InitializeStoreProvider()
   at Sitecore.Data.Properties.DefaultPropertyStoreProvider.get_DefaultStore()
   at Sitecore.Data.Properties.DefaultPropertyStoreProvider.GetPropertyKeys(String prefix)
   at Sitecore.Web.Authentication.DefaultTicketManager.GetTicketKeyList()
   at Sitecore.Web.Authentication.DefaultTicketManager.GetTicketIDs()
   at Sitecore.Tasks.CleanupAuthenticationTicketsAgent.Run()

このエラーメッセージは、Reporting および Processing サーバーが Web 接続文字列を必要としないことが原因で出力されます。詳細については、「Scaling and configuring xDB Reporting」および「Scaling and configuring xDB Processing」の各記事を参照してください。

また、ReportingとProcessingのインスタンスには、Sitecore.Tasks.CleanupAuthenticationTicketsAgentエージェントは必要ありません。

解決策

この問題を解決するには、以下の回避策をお試しください：