using a different error message in case extension bundle is configure…

…d. (Azure#5467)

src/WebJobs.Script/Description/FunctionDescriptorProvider.cs

@@ -11,6 +11,7 @@
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Microsoft.Azure.WebJobs.Script.Binding;
+using Microsoft.Azure.WebJobs.Script.Configuration;
 using Microsoft.Azure.WebJobs.Script.Extensibility;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json.Linq;
@@ -85,8 +86,8 @@ public void VerifyResolvedBindings(FunctionMetadata functionMetadata, IEnumerabl
             if (unresolvedBindings.Any())
             {
                 string allUnresolvedBindings = string.Join(", ", unresolvedBindings);
-                throw new FunctionConfigurationException($"The binding type(s) '{allUnresolvedBindings}' are not registered. " +
-                        $"Please ensure the type is correct and the binding extension is installed.");
+                string errorMessage = CreateBindingError(allUnresolvedBindings);
+                throw new FunctionConfigurationException(errorMessage);
             }
         }
 
@@ -135,8 +136,8 @@ protected virtual ParameterDescriptor CreateTriggerParameter(BindingMetadata tri
             }
             else
             {
-                throw new FunctionConfigurationException($"The binding type '{triggerMetadata.Type}' is not registered. " +
-                    $"Please ensure the type is correct and the binding extension is installed.");
+                string errorMessage = CreateBindingError(triggerMetadata.Type);
+                throw new FunctionConfigurationException(errorMessage);
             }
 
             return triggerParameter;
@@ -243,5 +244,12 @@ protected ParameterDescriptor ParseManualTrigger(BindingMetadata trigger, Type t
 
             return new ParameterDescriptor(trigger.Name, triggerParameterType);
         }
+
+        private string CreateBindingError(string unresolvedBindings)
+        {
+            return (Host.ExtensionBundleManager?.IsExtensionBundleConfigured() ?? false)
+                    ? $"The binding type(s) '{unresolvedBindings}' were not found in the configured extension bundle. Please ensure the type is correct and the correct version of extension bundle is configured"
+                    : $"The binding type(s) '{unresolvedBindings}' are not registered. Please ensure the type is correct and the binding extension is installed.";
+        }
     }
 }

src/WebJobs.Script/Host/ScriptHost.cs

@@ -26,6 +26,7 @@
 using Microsoft.Azure.WebJobs.Script.Diagnostics.Extensions;
 using Microsoft.Azure.WebJobs.Script.Eventing;
 using Microsoft.Azure.WebJobs.Script.Extensibility;
+using Microsoft.Azure.WebJobs.Script.ExtensionBundle;
 using Microsoft.Azure.WebJobs.Script.Workers;
 using Microsoft.Azure.WebJobs.Script.Workers.Http;
 using Microsoft.Azure.WebJobs.Script.Workers.Rpc;
@@ -105,6 +106,7 @@ public ScriptHost(IOptions<JobHostOptions> options,
             IHostIdProvider hostIdProvider,
             IHttpRoutesManager httpRoutesManager,
             IApplicationLifetime applicationLifetime,
+            IExtensionBundleManager extensionBundleManager,
             ScriptSettingsManager settingsManager = null)
             : base(options, jobHostContextFactory)
         {
@@ -131,6 +133,7 @@ public ScriptHost(IOptions<JobHostOptions> options,
             EventManager = eventManager;
             _functionDispatcher = functionDispatcherFactory.GetFunctionDispatcher();
             _settingsManager = settingsManager ?? ScriptSettingsManager.Instance;
+            ExtensionBundleManager = extensionBundleManager;
 
             _metricsLogger = metricsLogger;
 
@@ -165,6 +168,8 @@ public ScriptHost(IOptions<JobHostOptions> options,
 
         public IScriptEventManager EventManager { get; }
 
+        internal IExtensionBundleManager ExtensionBundleManager { get; }
+
         public ILogger Logger { get; internal set; }
 
         public ScriptJobHostOptions ScriptOptions { get; private set; }

test/WebJobs.Script.Tests/Description/FunctionDescriptorProviderTests.cs

@@ -104,7 +104,7 @@ public async Task VerifyResolvedBindings_WithNoBindingMatch_ThrowsExpectedExcept
                 var (created, descriptor) = await _provider.TryCreate(functionMetadata);
             });
 
-            Assert.Contains("unknownbinding", ex.Message);
+            Assert.Contains("The binding type(s) 'unknownbinding' are not registered", ex.Message);
         }
 
         [Fact]