add debug info in controller

Author: Litarnus

tests/End2End/App/Controller/TracingController.php

@@ -29,26 +29,50 @@ public function __construct(HubInterface $hub, ?Connection $connection = null)
 
     public function pingDatabase(): Response
     {
-        $this->hub->setSpan(
-            $this->hub->getSpan()
-                ->startChild($this->createSpan())
-        );
+        try {
+            $this->hub->setSpan(
+                $this->hub->getSpan()
+                    ->startChild($this->createSpan())
+            );
 
-        if ($this->connection) {
-            $this->connection->executeQuery('SELECT 1');
-        }
+            if ($this->connection) {
+                $this->connection->executeQuery('SELECT 1');
+            }
+
+            return new Response('Success');
+        } catch (\Throwable $e) {
+            $errorMessage = sprintf(
+                "Exception: %s\nMessage: %s\nFile: %s\nLine: %d",
+                get_class($e),
+                $e->getMessage(),
+                $e->getFile(),
+                $e->getLine()
+            );
 
-        return new Response('Success');
+            return new Response($errorMessage, 200);
+        }
     }
 
     public function ignoredTransaction(): Response
     {
-        $this->hub->setSpan(
-            $this->hub->getSpan()
-                ->startChild($this->createSpan())
-        );
+        try {
+            $this->hub->setSpan(
+                $this->hub->getSpan()
+                    ->startChild($this->createSpan())
+            );
 
-        return new Response('Success');
+            return new Response('Success');
+        } catch (\Throwable $e) {
+            $errorMessage = sprintf(
+                "Exception: %s\nMessage: %s\nFile: %s\nLine: %d",
+                get_class($e),
+                $e->getMessage(),
+                $e->getFile(),
+                $e->getLine()
+            );
+
+            return new Response($errorMessage, 200);
+        }
     }
 
     private function createSpan(): SpanContext