Fixed #1082

src/.vscode/tasks.json

@@ -16,7 +16,8 @@
             "presentation": {
                 "reveal": "always",
                 "panel": "new"
-            }
+            },
+            "problemMatcher": []
         },
         {
             "label": "Build Release",

src/UniversalDashboard.UITest/Integration/Input.Tests.ps1

@@ -14,6 +14,26 @@ $Driver = Start-SeFirefox
 
 Describe "Input" {
 
+
+    Context "drops to pipeline" {
+        $Dashboard = New-UDDashboard -Title "Test" -Content {
+            New-UDInput -Title "Simple Form" -Id "Form" -Endpoint {
+                "This is some stuff"
+
+                New-UDInputAction -Content { New-UDElement -Tag 'div' -Id 'hello' }
+            }
+        }
+
+        $Server.DashboardService.SetDashboard($Dashboard)
+        Enter-SeUrl -Driver $Driver -Url "http://localhost:$BrowserPort"
+
+        It "should not spin forever if an item is dropped to the pipeline that isn't UDInputAction" {
+            $Button = Find-SeElement -Id "btnForm" -Driver $Driver
+            Invoke-SeClick $Button
+            Find-SeElement -Id 'hello' -Driver $Driver | should not be $null
+        }
+    }
+
     Context "textbox" {
         $Dashboard = New-UDDashboard -Title "Test" -Content {
             New-UDInput -Title "Simple Form" -Id "Form" -Content {

src/UniversalDashboard/Controllers/ComponentController.cs

@@ -44,7 +44,7 @@ public ComponentController(IExecutionService executionService, IDashboardService
             _stateRequestService = stateRequestService;
         }
 
-        private async Task<IActionResult> RunScript(Endpoint endpoint, Dictionary<string, object> parameters = null)
+        private async Task<IActionResult> RunScript(Endpoint endpoint, Dictionary<string, object> parameters = null, bool noSerialization = false)
         {
             try {
                 var variables = new Dictionary<string, object> {
@@ -71,6 +71,8 @@ private async Task<IActionResult> RunScript(Endpoint endpoint, Dictionary<string
                 }
 
                 ExecutionContext executionContext = new ExecutionContext(endpoint, variables, parameters, HttpContext?.User);
+                executionContext.NoSerialization = noSerialization;
+
                 if (HttpContext.Session.TryGetValue("SessionId", out byte[] sessionIdBytes))
                 {
                     var sessionId = new Guid(sessionIdBytes);
@@ -318,7 +320,7 @@ public async Task<IActionResult> Input([FromRoute]string id)
                 return NotFound();
             }
 
-            return await RunScript(endpoint, variables);
+            return await RunScript(endpoint, variables, true);
         }
 
         [HttpPost]