Added SafeCaller to avoid server shutdown which caused by exceptions. (#4688)

Author: limingxinleo

src/Server.php

@@ -36,6 +36,7 @@
 use Hyperf\Server\Event;
 use Hyperf\Server\Server as AsyncStyleServer;
 use Hyperf\Server\ServerManager;
+use Hyperf\Utils\SafeCaller;
 use Hyperf\WebSocketServer\Collector\FdCollector;
 use Hyperf\WebSocketServer\Context as WsContext;
 use Hyperf\WebSocketServer\Exception\Handler\WebSocketExceptionHandler;
@@ -160,7 +161,12 @@ public function onHandShake($request, $response): void
             }
         } catch (Throwable $throwable) {
             // Delegate the exception to exception handler.
-            $psr7Response = $this->exceptionHandlerDispatcher->dispatch($throwable, $this->exceptionHandlers);
+            $psr7Response = $this->container->get(SafeCaller::class)->call(function () use ($throwable) {
+                return $this->exceptionHandlerDispatcher->dispatch($throwable, $this->exceptionHandlers);
+            }, static function () {
+                return (new Psr7Response())->withStatus(400);
+            });
+
             isset($fd) && FdCollector::del($fd);
             isset($fd) && WsContext::release($fd);
         } finally {