http://pms.cmet.ustc.edu.cn/notice-attachment/download/70

Method
GET
HTTP Status
500
IP
202.38.64.248
Profiled on
Token
4efb22

ErrorController

Request

GET Parameters

No GET parameters

POST Parameters

No POST parameters

Uploaded Files

No files were uploaded

Request Attributes

Key Value
_controller 
"error_controller"
_stopwatch_token 
"6b1734"
exception 
Doctrine\DBAL\Exception\DriverException {#664
  -query: null
  #message: "An exception occurred in the driver: SQLSTATE[08004] [1040] Too many connections"
  #code: 1040
  #file: "/home/projects/pms/vendor/doctrine/dbal/src/Driver/API/MySQL/ExceptionConverter.php"
  #line: 117
  -previous: Doctrine\DBAL\Driver\PDO\Exception {#661 …}
  trace: {
    /home/projects/pms/vendor/doctrine/dbal/src/Driver/API/MySQL/ExceptionConverter.php:117 {
      Doctrine\DBAL\Driver\API\MySQL\ExceptionConverter->convert(Exception $exception, ?Query $query): DriverException …
      › 
      ›     return new DriverException($exception, $query);
      › }
    }
    /home/projects/pms/vendor/doctrine/dbal/src/Connection.php:1943 {
      Doctrine\DBAL\Connection->handleDriverException(Exception $driverException, ?Query $query): DriverException …
      › $this->exceptionConverter ??= $this->_driver->getExceptionConverter();
      › $exception                  = $this->exceptionConverter->convert($driverException, $query);
      › 
    }
    /home/projects/pms/vendor/doctrine/dbal/src/Connection.php:1891 {
      Doctrine\DBAL\Connection->convertException(Exception $e): DriverException …
      › {
      ›     return $this->handleDriverException($e, null);
      › }
    }
    /home/projects/pms/vendor/doctrine/dbal/src/Connection.php:380 {
      Doctrine\DBAL\Connection->connect() …
      › } catch (Driver\Exception $e) {
      ›     throw $this->convertException($e);
      › }
    }
    /home/projects/pms/vendor/doctrine/dbal/src/Connection.php:1659 {
      Doctrine\DBAL\Connection->getWrappedConnection() …
      › 
      › $this->connect();
      › 
    }
    /home/projects/pms/vendor/doctrine/dbal/src/Connection.php:1082 {
      Doctrine\DBAL\Connection->executeQuery(string $sql, array $params = [], $types = [], QueryCacheProfile $qcp = null): Result …
      › 
      › $connection = $this->getWrappedConnection();
      › 
    }
    /home/projects/pms/vendor/doctrine/orm/src/Persisters/Entity/BasicEntityPersister.php:776 {
      Doctrine\ORM\Persisters\Entity\BasicEntityPersister->load(array $criteria, $entity = null, $assoc = null, array $hints = [], $lockMode = null, $limit = null, array $orderBy = null) …
      › [$params, $types] = $this->expandParameters($criteria);
      › $stmt             = $this->conn->executeQuery($sql, $params, $types);
      › 
    }
    /home/projects/pms/vendor/doctrine/orm/src/Persisters/Entity/BasicEntityPersister.php:794 {
      Doctrine\ORM\Persisters\Entity\BasicEntityPersister->loadById(array $identifier, $entity = null) …
      › {
      ›     return $this->load($identifier, $entity);
      › }
    }
    /home/projects/pms/vendor/doctrine/orm/src/EntityManager.php:521 {
      Doctrine\ORM\EntityManager->find($className, $id, $lockMode = null, $lockVersion = null) …
      ›     default:
      ›         return $persister->loadById($sortedId);
      › }
    }
    /home/projects/pms/var/cache/dev/ContainerBykbw1h/EntityManager_9a5be93.php:143 {
      ContainerBykbw1h\EntityManager_9a5be93->find($className, $id, $lockMode = null, $lockVersion = null) …
      › 
      ›     return $this->valueHolderf992b->find($className, $id, $lockMode, $lockVersion);
      › }
    }
    /home/projects/pms/vendor/doctrine/orm/src/EntityRepository.php:197 {
      Doctrine\ORM\EntityRepository->find($id, $lockMode = null, $lockVersion = null) …
      › {
      ›     return $this->_em->find($this->_entityName, $id, $lockMode, $lockVersion);
      › }
    }
    /home/projects/pms/vendor/sensio/framework-extra-bundle/src/Request/ParamConverter/DoctrineParamConverter.php:142 {
      Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\DoctrineParamConverter->find($class, Request $request, $options, $name) …
      › try {
      ›     return $om->getRepository($class)->$method($id);
      › } catch (NoResultException $e) {
    }
    /home/projects/pms/vendor/sensio/framework-extra-bundle/src/Request/ParamConverter/DoctrineParamConverter.php:91 {
      Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\DoctrineParamConverter->apply(Request $request, ParamConverter $configuration) …
      ›     // find by identifier?
      › } elseif (false === $object = $this->find($class, $request, $options, $name)) {
      ›     // find by criteria
    }
    /home/projects/pms/vendor/sensio/framework-extra-bundle/src/Request/ParamConverter/ParamConverterManager.php:84 {
      Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\ParamConverterManager->applyConverter(Request $request, ParamConverter $configuration) …
      › if ($converter->supports($configuration)) {
      ›     if ($converter->apply($request, $configuration)) {
      ›         return;
    }
    /home/projects/pms/vendor/sensio/framework-extra-bundle/src/Request/ParamConverter/ParamConverterManager.php:48 {
      Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\ParamConverterManager->apply(Request $request, $configurations) …
      › foreach ($configurations as $configuration) {
      ›     $this->applyConverter($request, $configuration);
      › }
    }
    /home/projects/pms/vendor/sensio/framework-extra-bundle/src/EventListener/ParamConverterListener.php:72 {
      Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener->onKernelController(KernelEvent $event) …
      › 
      ›     $this->manager->apply($request, $configurations);
      › }
    }
    /home/projects/pms/vendor/symfony/event-dispatcher/Debug/WrappedListener.php:118 {
      Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke(object $event, string $eventName, EventDispatcherInterface $dispatcher): void …
      › try {
      ›     ($this->optimizedListener ?? $this->listener)($event, $eventName, $dispatcher);
      › } finally {
    }
    /home/projects/pms/vendor/symfony/event-dispatcher/EventDispatcher.php:230 {
      Symfony\Component\EventDispatcher\EventDispatcher->callListeners(iterable $listeners, string $eventName, object $event) …
      ›     }
      ›     $listener($event, $eventName, $this);
      › }
    }
    /home/projects/pms/vendor/symfony/event-dispatcher/EventDispatcher.php:59 {
      Symfony\Component\EventDispatcher\EventDispatcher->dispatch(object $event, string $eventName = null): object …
      › if ($listeners) {
      ›     $this->callListeners($listeners, $eventName, $event);
      › }
    }
    /home/projects/pms/vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:154 {
      Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch(object $event, string $eventName = null): object …
      › try {
      ›     $this->dispatcher->dispatch($event, $eventName);
      › } finally {
    }
    /home/projects/pms/vendor/symfony/http-kernel/HttpKernel.php:151 {
      Symfony\Component\HttpKernel\HttpKernel->handleRaw(Request $request, int $type = self::MAIN_REQUEST): Response …
      › $event = new ControllerEvent($this, $controller, $request, $type);
      › $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER);
      › $controller = $event->getController();
    }
    /home/projects/pms/vendor/symfony/http-kernel/HttpKernel.php:75 {
      Symfony\Component\HttpKernel\HttpKernel->handle(Request $request, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true) …
      › try {
      ›     return $this->handleRaw($request, $type);
      › } catch (\Exception $e) {
    }
    /home/projects/pms/vendor/symfony/http-kernel/Kernel.php:202 {
      Symfony\Component\HttpKernel\Kernel->handle(Request $request, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true) …
      › try {
      ›     return $this->getHttpKernel()->handle($request, $type, $catch);
      › } finally {
    }
    /home/projects/pms/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35 {
      Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run(): int …
      › {
      ›     $response = $this->kernel->handle($this->request);
      ›     $response->send();
    }
    /home/projects/pms/vendor/autoload_runtime.php:35 {
      require_once …
      ›         ->getRunner($app)
      ›         ->run()
      › );
    }
    /home/projects/pms/public/index.php:5 {
      › 
      › require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
      › 
      arguments: {
        "/home/projects/pms/vendor/autoload_runtime.php"
      }
    }
  }
}
logger 
null

Request Headers

Header Value
accept 
"*/*"
accept-encoding 
"gzip, deflate, br"
connection 
"close"
from 
"bingbot(at)microsoft.com"
host 
"pms.cmet.ustc.edu.cn"
user-agent 
"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/116.0.1938.76 Safari/537.36"
x-forwarded-for 
"40.77.167.143"
x-forwarded-proto 
"https"
x-php-ob-level 
"1"
x-real-ip 
"40.77.167.143"

Request Content

Request content not available (it was retrieved as a resource).

Response

Response Headers

Header Value
cache-control 
"no-cache, private"
content-type 
"text/html; charset=UTF-8"
date 
"Tue, 24 Jun 2025 23:38:00 GMT"
x-debug-exception 
"An%20exception%20occurred%20in%20the%20driver%3A%20SQLSTATE%5B08004%5D%20%5B1040%5D%20Too%20many%20connections"
x-debug-exception-file 
"%2Fhome%2Fprojects%2Fpms%2Fvendor%2Fdoctrine%2Fdbal%2Fsrc%2FDriver%2FAPI%2FMySQL%2FExceptionConverter.php:117"
x-debug-token 
"4efb22"

Cookies

Request Cookies

No request cookies

Response Cookies

No response cookies

Session

Session Metadata

No session metadata

Session Attributes

No session attributes

Session Usage

0 Usages
Stateless check enabled

Session not used.

Flashes

Flashes

No flash messages were created.

Server Parameters

Server Parameters

Defined in .env

Key Value
APP_ENV 
"dev"
APP_SECRET 
"2e3ffa8cf43642eb32a6182584438905"
BASE_URL 
"http://pms.cmet.ustc.edu.cn/"
DATABASE_URL 
"mysql://root:zwx303.db@127.0.0.1:3306/pms?serverVersion=mariadb-10.1.41"

Defined as regular env variables

Key Value
APP_DEBUG 
"1"
CONTEXT_DOCUMENT_ROOT 
"/home/projects/pms/public"
CONTEXT_PREFIX 
""
DOCUMENT_ROOT 
"/home/projects/pms/public"
GATEWAY_INTERFACE 
"CGI/1.1"
HTTP_ACCEPT 
"*/*"
HTTP_ACCEPT_ENCODING 
"gzip, deflate, br"
HTTP_CONNECTION 
"close"
HTTP_FROM 
"bingbot(at)microsoft.com"
HTTP_HOST 
"pms.cmet.ustc.edu.cn"
HTTP_USER_AGENT 
"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/116.0.1938.76 Safari/537.36"
HTTP_X_FORWARDED_FOR 
"40.77.167.143"
HTTP_X_FORWARDED_PROTO 
"https"
HTTP_X_REAL_IP 
"40.77.167.143"
PATH 
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin"
PHP_SELF 
"/index.php"
QUERY_STRING 
""
REDIRECT_STATUS 
"200"
REDIRECT_UNIQUE_ID 
"aFs22I3t3eoWAdwCfuEt8AAAAJM"
REDIRECT_URL 
"/notice-attachment/download/70"
REMOTE_ADDR 
"202.38.64.248"
REMOTE_PORT 
"13074"
REQUEST_METHOD 
"GET"
REQUEST_SCHEME 
"http"
REQUEST_TIME 
1750808280
REQUEST_TIME_FLOAT 
1750808280.3125
REQUEST_URI 
"/notice-attachment/download/70"
SCRIPT_FILENAME 
"/home/projects/pms/public/index.php"
SCRIPT_NAME 
"/index.php"
SERVER_ADDR 
"202.38.70.183"
SERVER_ADMIN 
"root@localhost"
SERVER_NAME 
"pms.cmet.ustc.edu.cn"
SERVER_PORT 
"80"
SERVER_PROTOCOL 
"HTTP/1.0"
SERVER_SIGNATURE 
""
SERVER_SOFTWARE 
"Apache/2.4.6 (CentOS) PHP/7.4.30"
SYMFONY_DOTENV_VARS 
"APP_ENV,APP_SECRET,BASE_URL,DATABASE_URL"
UNIQUE_ID 
"aFs22I3t3eoWAdwCfuEt8AAAAJM"

Parent Request

Return to parent request (token = a012fd)

Key Value
_controller 
"App\Controller\DefaultController::noticeAttachmentDownload"
_firewall_context 
"security.firewall.map.context.main"
_remove_csp_headers 
true
_route 
"notice_attachment_download"
_route_params 
[
  "id" => "70"
]
_security_firewall_run 
"_security_main"
_stopwatch_token 
"4b8c3d"
id 
"70"