Bing search returns a stack trace

Haven't seen that before ! bing search returned (just once) following stack trace after a manual search for: where are highest mountains in the world. So you see it is not only us small individual developers that can force a stupid piece of code to execute, bi(n)g  guys are quite capable to make it happen too.

Server Error in '/search' Application.

An invalid reloadable resource was passed.

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.ArgumentException: An invalid reloadable resource was passed.

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:


[ArgumentException: An invalid reloadable resource was passed.]
Microsoft.Search.Frontend.Configuration.CompositeConfigStoreRequestInitializer..ctor(IConfigStore configStore, ReloadableResourceStore reloadableResourceStore) in e:\bt\986564\private\frontend\snr\Core\Configuration\CompositeConfigStoreRequestInitializer.cs:24
BuildUp_Microsoft.Search.Frontend.Configuration.CompositeConfigStoreRequestInitializer(IBuilderContext ) +609
Microsoft.Practices.ObjectBuilder2.BuildPlanStrategy.PreBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Strategies\BuildPlan\BuildPlanStrategy.cs:40
Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Strategies\StrategyChain.cs:86

[BuildFailedException: The current build operation (build key Build Key[Microsoft.Search.Frontend.Configuration.CompositeConfigStoreRequestInitializer, null]) failed: An invalid reloadable resource was passed. (Strategy type BuildPlanStrategy, index 3)]
Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Strategies\StrategyChain.cs:112
Microsoft.Practices.ObjectBuilder2.Builder.BuildUp(IReadWriteLocator locator, ILifetimeContainer lifetime, IPolicyList policies, IStrategyChain strategies, Object buildKey, Object existing) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Builder.cs:61
Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainer.cs:463

[ResolutionFailedException: Resolution of the dependency failed, type = "Microsoft.Search.Frontend.Configuration.IConfigStoreRequestInitializer", name = "". Exception message is: The current build operation (build key Build Key[Microsoft.Search.Frontend.Configuration.CompositeConfigStoreRequestInitializer, null]) failed: An invalid reloadable resource was passed. (Strategy type BuildPlanStrategy, index 3)]
Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainer.cs:475
Microsoft.Practices.Unity.UnityContainer.Resolve(Type t, String name) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainer.cs:155
Microsoft.Practices.Unity.UnityContainerBase.Resolve() in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainerBase.cs:466
Microsoft.Search.Frontend.CoreUX.MvcApplication.b__a(IUnityContainer c) in e:\bt\986564\private\frontend\Serp\app\Global.asax.cs:775
Microsoft.Practices.Unity.StaticFactory.<>c__DisplayClass1`1.b__0() in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity.StaticFactory\StaticFactoryExtension.cs:42
Microsoft.Practices.Unity.StaticFactory.FactoryDelegateBuildPlanPolicy.BuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity.StaticFactory\FactoryDelegateBuildPlanPolicy.cs:36
Microsoft.Practices.ObjectBuilder2.BuildPlanStrategy.PreBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Strategies\BuildPlan\BuildPlanStrategy.cs:40
Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Strategies\StrategyChain.cs:86

[BuildFailedException: The current build operation (build key Build Key[ConfigStoreService.IConfigStoreRequest, null]) failed: Resolution of the dependency failed, type = "Microsoft.Search.Frontend.Configuration.IConfigStoreRequestInitializer", name = "". Exception message is: The current build operation (build key Build Key[Microsoft.Search.Frontend.Configuration.CompositeConfigStoreRequestInitializer, null]) failed: An invalid reloadable resource was passed. (Strategy type BuildPlanStrategy, index 3) (Strategy type BuildPlanStrategy, index 3)]
Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Strategies\StrategyChain.cs:112
Microsoft.Practices.ObjectBuilder2.Builder.BuildUp(IReadWriteLocator locator, ILifetimeContainer lifetime, IPolicyList policies, IStrategyChain strategies, Object buildKey, Object existing) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\ObjectBuilder\Builder.cs:61
Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainer.cs:463

[ResolutionFailedException: Resolution of the dependency failed, type = "ConfigStoreService.IConfigStoreRequest", name = "". Exception message is: The current build operation (build key Build Key[ConfigStoreService.IConfigStoreRequest, null]) failed: Resolution of the dependency failed, type = "Microsoft.Search.Frontend.Configuration.IConfigStoreRequestInitializer", name = "". Exception message is: The current build operation (build key Build Key[Microsoft.Search.Frontend.Configuration.CompositeConfigStoreRequestInitializer, null]) failed: An invalid reloadable resource was passed. (Strategy type BuildPlanStrategy, index 3) (Strategy type BuildPlanStrategy, index 3)]
Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainer.cs:475
Microsoft.Practices.Unity.UnityContainer.Resolve(Type t, String name) in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainer.cs:155
Microsoft.Practices.Unity.UnityContainerBase.Resolve() in e:\Builds\Unity\UnityTemp\Compile\Unity\Src\Unity\UnityContainerBase.cs:466
Microsoft.Search.Frontend.CoreUX.MvcApplication.InitializeRms() in e:\bt\986564\private\frontend\Serp\app\Global.asax.cs:650
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +80
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +171

Version Information: Microsoft .NET Framework Version:2.0.50727.4927; ASP.NET Version:2.0.50727.4927