Error 500 Internal Server Error

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Forwarded to ErrorController (f1ebe9)

Exceptions

PDOException Exception DriverException

HTTP 500 Internal Server Error

An exception occurred in the driver: SQLSTATE[08004] [1040] Too many connections

Exceptions 3

Doctrine\DBAL\Exception\ DriverException

Show exception properties 
Doctrine\DBAL\Exception\DriverException {#848
  -query: null
}
in vendor/doctrine/dbal/src/Driver/API/MySQL/ExceptionConverter.php (line 118)
  1. case 1364:
  2. case 1566:
  3. return new NotNullConstraintViolationException($exception, $query);
  4. }
  6. return new DriverException($exception, $query);
  7. }
  8. }
in vendor/doctrine/dbal/src/Connection.php -> convert (line 1976)
  1. private function handleDriverException(
  2. Driver\Exception $driverException,
  3. ?Query $query
  4. ): DriverException {
  5. $this->exceptionConverter ??= $this->_driver->getExceptionConverter();
  6. $exception = $this->exceptionConverter->convert($driverException, $query);
  8. if ($exception instanceof ConnectionLost) {
  9. $this->close();
  10. }
in vendor/doctrine/dbal/src/Connection.php -> handleDriverException (line 1924)
  1. }
  3. /** @internal */
  4. final public function convertException(Driver\Exception $e): DriverException
  5. {
  6. return $this->handleDriverException($e, null);
  7. }
  9. /**
  10. * @param array<int, mixed>|array<string, mixed> $params
  11. * @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types
in vendor/doctrine/dbal/src/Connection.php -> convertException (line 385)
  1. }
  3. try {
  4. $this->_conn = $this->_driver->connect($this->params);
  5. } catch (Driver\Exception $e) {
  6. throw $this->convertException($e);
  7. }
  9. if ($this->autoCommit === false) {
  10. $this->beginTransaction();
  11. }
in vendor/doctrine/dbal/src/Connection.php -> connect (line 458)
  1. }
  3. // If not connected, we need to connect now to determine the platform version.
  4. if ($this->_conn === null) {
  5. try {
  6. $this->connect();
  7. } catch (Exception $originalException) {
  8. if (! isset($this->params['dbname'])) {
  9. throw $originalException;
  10. }
in vendor/doctrine/dbal/src/Connection.php -> getDatabasePlatformVersion (line 416)
  1. *
  2. * @throws Exception If an invalid platform was specified for this connection.
  3. */
  4. private function detectDatabasePlatform(): AbstractPlatform
  5. {
  6. $version = $this->getDatabasePlatformVersion();
  8. if ($version !== null) {
  9. assert($this->_driver instanceof VersionAwarePlatformDriver);
  11. return $this->_driver->createDatabasePlatformForVersion($version);
in vendor/doctrine/dbal/src/Connection.php -> detectDatabasePlatform (line 323)
  1. * @throws Exception
  2. */
  3. public function getDatabasePlatform()
  4. {
  5. if ($this->platform === null) {
  6. $this->platform = $this->detectDatabasePlatform();
  7. $this->platform->setEventManager($this->_eventManager);
  8. $this->platform->setDisableTypeComments($this->_config->getDisableTypeComments());
  9. }
  11. return $this->platform;
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> getDatabasePlatform (line 740)
  1. }
  3. private function getTargetPlatform(): Platforms\AbstractPlatform
  4. {
  5. if (! $this->targetPlatform) {
  6. $this->targetPlatform = $this->em->getConnection()->getDatabasePlatform();
  7. }
  9. return $this->targetPlatform;
  10. }
  11. }
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> getTargetPlatform (line 550)
  1. */
  2. private function completeIdGeneratorMapping(ClassMetadata $class): void
  3. {
  4. $idGenType = $class->generatorType;
  5. if ($idGenType === ClassMetadata::GENERATOR_TYPE_AUTO) {
  6. $class->setIdGeneratorType($this->determineIdGeneratorStrategy($this->getTargetPlatform()));
  7. }
  9. // Create & assign an appropriate ID generator instance
  10. switch ($class->generatorType) {
  11. case ClassMetadata::GENERATOR_TYPE_IDENTITY:
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> completeIdGeneratorMapping (line 178)
  1. // However this is only true if the hierarchy of parents contains the root entity,
  2. // if it consists of mapped superclasses these don't necessarily include the id field.
  3. if ($parent && $rootEntityFound) {
  4. $this->inheritIdGeneratorMapping($class, $parent);
  5. } else {
  6. $this->completeIdGeneratorMapping($class);
  7. }
  9. if (! $class->isMappedSuperclass) {
  10. if ($rootEntityFound && $class->isInheritanceTypeNone()) {
  11. throw MappingException::missingInheritanceTypeDeclaration(end($nonSuperclassParents), $class->name);
in vendor/doctrine/doctrine-bundle/src/Mapping/ClassMetadataFactory.php -> doLoadMetadata (line 18)
  1. /**
  2. * {@inheritDoc}
  3. */
  4. protected function doLoadMetadata($class, $parent, $rootEntityFound, array $nonSuperclassParents): void
  5. {
  6. parent::doLoadMetadata($class, $parent, $rootEntityFound, $nonSuperclassParents);
  8. $customGeneratorDefinition = $class->customGeneratorDefinition;
  10. if (! isset($customGeneratorDefinition['instance'])) {
  11. return;
in vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php -> doLoadMetadata (line 318)
  1. }
  3. $class = $this->newClassMetadataInstance($className);
  4. $this->initializeReflection($class, $reflService);
  6. $this->doLoadMetadata($class, $parent, $rootEntityFound, $visited);
  8. $this->loadedMetadata[$className] = $class;
  10. $parent = $class;
in vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php -> loadMetadata (line 187)
  1. /** @phpstan-var CMTemplate $cached */
  2. $this->loadedMetadata[$realClassName] = $cached;
  4. $this->wakeupReflection($cached, $this->getReflectionService());
  5. } else {
  6. $loadedMetadata = $this->loadMetadata($realClassName);
  7. $classNames = array_combine(
  8. array_map($this->getCacheKey(...), $loadedMetadata),
  9. $loadedMetadata,
  10. );
in vendor/doctrine/orm/src/EntityManager.php -> getMetadataFor (line 224)
  1. *
  2. * {@inheritDoc}
  3. */
  4. public function getClassMetadata(string $className): Mapping\ClassMetadata
  5. {
  6. return $this->metadataFactory->getMetadataFor($className);
  7. }
  9. public function createQuery(string $dql = ''): Query
  10. {
  11. $query = new Query($this);
in vendor/doctrine/doctrine-bundle/src/Repository/ContainerRepositoryFactory.php -> getClassMetadata (line 47)
  1. *
  2. * @template T of object
  3. */
  4. private function doGetRepository(EntityManagerInterface $entityManager, string $entityName, bool $strictTypeCheck): ObjectRepository
  5. {
  6. $metadata = $entityManager->getClassMetadata($entityName);
  7. $repositoryServiceId = $metadata->customRepositoryClassName;
  9. $customRepositoryName = $metadata->customRepositoryClassName;
  10. if ($customRepositoryName !== null) {
  11. // fetch from the container
in vendor/doctrine/doctrine-bundle/src/Repository/RepositoryFactoryCompatibility.php -> doGetRepository (line 27)
  1. *
  2. * @template T of object
  3. */
  4. public function getRepository(EntityManagerInterface $entityManager, string $entityName): EntityRepository
  5. {
  6. return $this->doGetRepository($entityManager, $entityName, true);
  7. }
  8. }
  9. } else {
  10. // ORM 2
  11. /** @internal */
in vendor/doctrine/orm/src/EntityManager.php -> getRepository (line 499)
  1. *
  2. * @template T of object
  3. */
  4. public function getRepository(string $className): EntityRepository
  5. {
  6. return $this->repositoryFactory->getRepository($this, $className);
  7. }
  9. /**
  10. * Determines whether an entity instance is managed in this EntityManager.
  11. *
in vendor/symfony/doctrine-bridge/ArgumentResolver/EntityValueResolver.php -> getRepository (line 79)
  1. }
  3. throw new NearMissValueResolverException(sprintf('Cannot find mapping for "%s": declare one using either the #[MapEntity] attribute or mapped route parameters.', $options->class));
  4. }
  5. try {
  6. $object = $manager->getRepository($options->class)->findOneBy($criteria);
  7. } catch (NoResultException|ConversionException) {
  8. $object = null;
  9. }
  10. }
in vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.php -> resolve (line 37)
  1. public function resolve(Request $request, ArgumentMetadata $argument): iterable
  2. {
  3. $method = $this->inner::class.'::'.__FUNCTION__;
  4. $this->stopwatch->start($method, 'controller.argument_value_resolver');
  6. yield from $this->inner->resolve($request, $argument);
  8. $this->stopwatch->stop($method);
  9. }
  10. }
in vendor/symfony/http-kernel/Controller/ArgumentResolver.php -> resolve (line 91)
  1. continue;
  2. }
  4. try {
  5. $count = 0;
  6. foreach ($resolver->resolve($request, $metadata) as $argument) {
  7. ++$count;
  8. $arguments[] = $argument;
  9. }
  10. } catch (NearMissValueResolverException $e) {
  11. $valueResolverExceptions[] = $e;
in vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php -> getArguments (line 33)
  1. public function getArguments(Request $request, callable $controller, ?\ReflectionFunctionAbstract $reflector = null): array
  2. {
  3. $e = $this->stopwatch->start('controller.get_arguments');
  5. try {
  6. return $this->resolver->getArguments($request, $controller, $reflector);
  7. } finally {
  8. $e->stop();
  9. }
  10. }
  11. }
in vendor/symfony/http-kernel/HttpKernel.php -> getArguments (line 175)
  1. $event = new ControllerEvent($this, $controller, $request, $type);
  2. $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER);
  3. $controller = $event->getController();
  5. // controller arguments
  6. $arguments = $this->argumentResolver->getArguments($request, $controller, $event->getControllerReflector());
  8. $event = new ControllerArgumentsEvent($this, $event, $arguments, $request, $type);
  9. $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER_ARGUMENTS);
  10. $controller = $event->getController();
  11. $arguments = $event->getArguments();
in vendor/symfony/http-kernel/HttpKernel.php -> handleRaw (line 76)
  1. $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3. $this->requestStack->push($request);
  4. $response = null;
  5. try {
  6. return $response = $this->handleRaw($request, $type);
  7. } catch (\Throwable $e) {
  8. if ($e instanceof \Error && !$this->handleAllThrowables) {
  9. throw $e;
  10. }
in vendor/symfony/http-kernel/Kernel.php -> handle (line 182)
  1. $this->boot();
  2. ++$this->requestStackSize;
  3. $this->resetServices = true;
  5. try {
  6. return $this->getHttpKernel()->handle($request, $type, $catch);
  7. } finally {
  8. --$this->requestStackSize;
  9. }
  10. }
in vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php -> handle (line 35)
  1. ) {
  2. }
  4. public function run(): int
  5. {
  6. $response = $this->kernel->handle($this->request);
  8. if (Kernel::VERSION_ID >= 60400) {
  9. $response->send(false);
  11. if (\function_exists('fastcgi_finish_request') && !$this->debug) {
in vendor/autoload_runtime.php -> run (line 29)
  1. $app = $app(...$args);
  3. exit(
  4. $runtime
  5. ->getRunner($app)
  6. ->run()
  7. );
require_once('/var/www/curieux.app/vendor/autoload_runtime.php') in public/index.php (line 5)
  1. <?php
  3. use App\Kernel;
  5. require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
  7. return function (array $context) {
  8. return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
  9. };

Doctrine\DBAL\Driver\PDO\ Exception

SQLSTATE[08004] [1040] Too many connections

in vendor/doctrine/dbal/src/Driver/PDO/Exception.php (line 24)
  1. } else {
  2. $code = $exception->getCode();
  3. $sqlState = null;
  4. }
  6. return new self($exception->getMessage(), $sqlState, $code, $exception);
  7. }
  8. }
in vendor/doctrine/dbal/src/Driver/PDO/MySQL/Driver.php :: new (line 40)
  1. $params['user'] ?? '',
  2. $params['password'] ?? '',
  3. $driverOptions,
  4. );
  5. } catch (PDOException $exception) {
  6. throw Exception::new($exception);
  7. }
  9. return new Connection($pdo);
  10. }
in vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php -> connect (line 29)
  1. */
  2. public function connect(
  3. #[SensitiveParameter]
  4. array $params
  5. ) {
  6. return $this->wrappedDriver->connect($params);
  7. }
  9. /**
  10. * {@inheritDoc}
  11. */
in vendor/doctrine/dbal/src/Logging/Driver.php -> connect (line 34)
  1. array $params
  2. ) {
  3. $this->logger->info('Connecting with parameters {params}', ['params' => $this->maskPassword($params)]);
  5. return new Connection(
  6. parent::connect($params),
  7. $this->logger,
  8. );
  9. }
  11. /**
in vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php -> connect (line 29)
  1. */
  2. public function connect(
  3. #[SensitiveParameter]
  4. array $params
  5. ) {
  6. return $this->wrappedDriver->connect($params);
  7. }
  9. /**
  10. * {@inheritDoc}
  11. */
in vendor/symfony/doctrine-bridge/Middleware/Debug/Driver.php -> connect (line 37)
  1. parent::__construct($driver);
  2. }
  4. public function connect(array $params): ConnectionInterface
  5. {
  6. $connection = parent::connect($params);
  8. if ('void' !== (string) (new \ReflectionMethod(ConnectionInterface::class, 'commit'))->getReturnType()) {
  9. return new DBAL3\Connection(
  10. $connection,
  11. $this->debugDataHolder,
in vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php -> connect (line 29)
  1. */
  2. public function connect(
  3. #[SensitiveParameter]
  4. array $params
  5. ) {
  6. return $this->wrappedDriver->connect($params);
  7. }
  9. /**
  10. * {@inheritDoc}
  11. */
in vendor/symfony/doctrine-bridge/Middleware/IdleConnection/Driver.php -> connect (line 35)
  1. }
  3. public function connect(array $params): ConnectionInterface
  4. {
  5. $timestamp = time();
  6. $connection = parent::connect($params);
  7. $this->connectionExpiries[$this->connectionName] = $timestamp + $this->ttl;
  9. return $connection;
  10. }
  11. }
in vendor/doctrine/dbal/src/Connection.php -> connect (line 383)
  1. if ($this->_conn !== null) {
  2. return false;
  3. }
  5. try {
  6. $this->_conn = $this->_driver->connect($this->params);
  7. } catch (Driver\Exception $e) {
  8. throw $this->convertException($e);
  9. }
  11. if ($this->autoCommit === false) {
in vendor/doctrine/dbal/src/Connection.php -> connect (line 458)
  1. }
  3. // If not connected, we need to connect now to determine the platform version.
  4. if ($this->_conn === null) {
  5. try {
  6. $this->connect();
  7. } catch (Exception $originalException) {
  8. if (! isset($this->params['dbname'])) {
  9. throw $originalException;
  10. }
in vendor/doctrine/dbal/src/Connection.php -> getDatabasePlatformVersion (line 416)
  1. *
  2. * @throws Exception If an invalid platform was specified for this connection.
  3. */
  4. private function detectDatabasePlatform(): AbstractPlatform
  5. {
  6. $version = $this->getDatabasePlatformVersion();
  8. if ($version !== null) {
  9. assert($this->_driver instanceof VersionAwarePlatformDriver);
  11. return $this->_driver->createDatabasePlatformForVersion($version);
in vendor/doctrine/dbal/src/Connection.php -> detectDatabasePlatform (line 323)
  1. * @throws Exception
  2. */
  3. public function getDatabasePlatform()
  4. {
  5. if ($this->platform === null) {
  6. $this->platform = $this->detectDatabasePlatform();
  7. $this->platform->setEventManager($this->_eventManager);
  8. $this->platform->setDisableTypeComments($this->_config->getDisableTypeComments());
  9. }
  11. return $this->platform;
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> getDatabasePlatform (line 740)
  1. }
  3. private function getTargetPlatform(): Platforms\AbstractPlatform
  4. {
  5. if (! $this->targetPlatform) {
  6. $this->targetPlatform = $this->em->getConnection()->getDatabasePlatform();
  7. }
  9. return $this->targetPlatform;
  10. }
  11. }
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> getTargetPlatform (line 550)
  1. */
  2. private function completeIdGeneratorMapping(ClassMetadata $class): void
  3. {
  4. $idGenType = $class->generatorType;
  5. if ($idGenType === ClassMetadata::GENERATOR_TYPE_AUTO) {
  6. $class->setIdGeneratorType($this->determineIdGeneratorStrategy($this->getTargetPlatform()));
  7. }
  9. // Create & assign an appropriate ID generator instance
  10. switch ($class->generatorType) {
  11. case ClassMetadata::GENERATOR_TYPE_IDENTITY:
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> completeIdGeneratorMapping (line 178)
  1. // However this is only true if the hierarchy of parents contains the root entity,
  2. // if it consists of mapped superclasses these don't necessarily include the id field.
  3. if ($parent && $rootEntityFound) {
  4. $this->inheritIdGeneratorMapping($class, $parent);
  5. } else {
  6. $this->completeIdGeneratorMapping($class);
  7. }
  9. if (! $class->isMappedSuperclass) {
  10. if ($rootEntityFound && $class->isInheritanceTypeNone()) {
  11. throw MappingException::missingInheritanceTypeDeclaration(end($nonSuperclassParents), $class->name);
in vendor/doctrine/doctrine-bundle/src/Mapping/ClassMetadataFactory.php -> doLoadMetadata (line 18)
  1. /**
  2. * {@inheritDoc}
  3. */
  4. protected function doLoadMetadata($class, $parent, $rootEntityFound, array $nonSuperclassParents): void
  5. {
  6. parent::doLoadMetadata($class, $parent, $rootEntityFound, $nonSuperclassParents);
  8. $customGeneratorDefinition = $class->customGeneratorDefinition;
  10. if (! isset($customGeneratorDefinition['instance'])) {
  11. return;
in vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php -> doLoadMetadata (line 318)
  1. }
  3. $class = $this->newClassMetadataInstance($className);
  4. $this->initializeReflection($class, $reflService);
  6. $this->doLoadMetadata($class, $parent, $rootEntityFound, $visited);
  8. $this->loadedMetadata[$className] = $class;
  10. $parent = $class;
in vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php -> loadMetadata (line 187)
  1. /** @phpstan-var CMTemplate $cached */
  2. $this->loadedMetadata[$realClassName] = $cached;
  4. $this->wakeupReflection($cached, $this->getReflectionService());
  5. } else {
  6. $loadedMetadata = $this->loadMetadata($realClassName);
  7. $classNames = array_combine(
  8. array_map($this->getCacheKey(...), $loadedMetadata),
  9. $loadedMetadata,
  10. );
in vendor/doctrine/orm/src/EntityManager.php -> getMetadataFor (line 224)
  1. *
  2. * {@inheritDoc}
  3. */
  4. public function getClassMetadata(string $className): Mapping\ClassMetadata
  5. {
  6. return $this->metadataFactory->getMetadataFor($className);
  7. }
  9. public function createQuery(string $dql = ''): Query
  10. {
  11. $query = new Query($this);
in vendor/doctrine/doctrine-bundle/src/Repository/ContainerRepositoryFactory.php -> getClassMetadata (line 47)
  1. *
  2. * @template T of object
  3. */
  4. private function doGetRepository(EntityManagerInterface $entityManager, string $entityName, bool $strictTypeCheck): ObjectRepository
  5. {
  6. $metadata = $entityManager->getClassMetadata($entityName);
  7. $repositoryServiceId = $metadata->customRepositoryClassName;
  9. $customRepositoryName = $metadata->customRepositoryClassName;
  10. if ($customRepositoryName !== null) {
  11. // fetch from the container
in vendor/doctrine/doctrine-bundle/src/Repository/RepositoryFactoryCompatibility.php -> doGetRepository (line 27)
  1. *
  2. * @template T of object
  3. */
  4. public function getRepository(EntityManagerInterface $entityManager, string $entityName): EntityRepository
  5. {
  6. return $this->doGetRepository($entityManager, $entityName, true);
  7. }
  8. }
  9. } else {
  10. // ORM 2
  11. /** @internal */
in vendor/doctrine/orm/src/EntityManager.php -> getRepository (line 499)
  1. *
  2. * @template T of object
  3. */
  4. public function getRepository(string $className): EntityRepository
  5. {
  6. return $this->repositoryFactory->getRepository($this, $className);
  7. }
  9. /**
  10. * Determines whether an entity instance is managed in this EntityManager.
  11. *
in vendor/symfony/doctrine-bridge/ArgumentResolver/EntityValueResolver.php -> getRepository (line 79)
  1. }
  3. throw new NearMissValueResolverException(sprintf('Cannot find mapping for "%s": declare one using either the #[MapEntity] attribute or mapped route parameters.', $options->class));
  4. }
  5. try {
  6. $object = $manager->getRepository($options->class)->findOneBy($criteria);
  7. } catch (NoResultException|ConversionException) {
  8. $object = null;
  9. }
  10. }
in vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.php -> resolve (line 37)
  1. public function resolve(Request $request, ArgumentMetadata $argument): iterable
  2. {
  3. $method = $this->inner::class.'::'.__FUNCTION__;
  4. $this->stopwatch->start($method, 'controller.argument_value_resolver');
  6. yield from $this->inner->resolve($request, $argument);
  8. $this->stopwatch->stop($method);
  9. }
  10. }
in vendor/symfony/http-kernel/Controller/ArgumentResolver.php -> resolve (line 91)
  1. continue;
  2. }
  4. try {
  5. $count = 0;
  6. foreach ($resolver->resolve($request, $metadata) as $argument) {
  7. ++$count;
  8. $arguments[] = $argument;
  9. }
  10. } catch (NearMissValueResolverException $e) {
  11. $valueResolverExceptions[] = $e;
in vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php -> getArguments (line 33)
  1. public function getArguments(Request $request, callable $controller, ?\ReflectionFunctionAbstract $reflector = null): array
  2. {
  3. $e = $this->stopwatch->start('controller.get_arguments');
  5. try {
  6. return $this->resolver->getArguments($request, $controller, $reflector);
  7. } finally {
  8. $e->stop();
  9. }
  10. }
  11. }
in vendor/symfony/http-kernel/HttpKernel.php -> getArguments (line 175)
  1. $event = new ControllerEvent($this, $controller, $request, $type);
  2. $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER);
  3. $controller = $event->getController();
  5. // controller arguments
  6. $arguments = $this->argumentResolver->getArguments($request, $controller, $event->getControllerReflector());
  8. $event = new ControllerArgumentsEvent($this, $event, $arguments, $request, $type);
  9. $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER_ARGUMENTS);
  10. $controller = $event->getController();
  11. $arguments = $event->getArguments();
in vendor/symfony/http-kernel/HttpKernel.php -> handleRaw (line 76)
  1. $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3. $this->requestStack->push($request);
  4. $response = null;
  5. try {
  6. return $response = $this->handleRaw($request, $type);
  7. } catch (\Throwable $e) {
  8. if ($e instanceof \Error && !$this->handleAllThrowables) {
  9. throw $e;
  10. }
in vendor/symfony/http-kernel/Kernel.php -> handle (line 182)
  1. $this->boot();
  2. ++$this->requestStackSize;
  3. $this->resetServices = true;
  5. try {
  6. return $this->getHttpKernel()->handle($request, $type, $catch);
  7. } finally {
  8. --$this->requestStackSize;
  9. }
  10. }
in vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php -> handle (line 35)
  1. ) {
  2. }
  4. public function run(): int
  5. {
  6. $response = $this->kernel->handle($this->request);
  8. if (Kernel::VERSION_ID >= 60400) {
  9. $response->send(false);
  11. if (\function_exists('fastcgi_finish_request') && !$this->debug) {
in vendor/autoload_runtime.php -> run (line 29)
  1. $app = $app(...$args);
  3. exit(
  4. $runtime
  5. ->getRunner($app)
  6. ->run()
  7. );
require_once('/var/www/curieux.app/vendor/autoload_runtime.php') in public/index.php (line 5)
  1. <?php
  3. use App\Kernel;
  5. require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
  7. return function (array $context) {
  8. return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
  9. };

PDOException

SQLSTATE[08004] [1040] Too many connections

in vendor/doctrine/dbal/src/Driver/PDO/MySQL/Driver.php (line 33)
  2. $safeParams = $params;
  3. unset($safeParams['password'], $safeParams['url']);
  5. try {
  6. $pdo = new PDO(
  7. $this->constructPdoDsn($safeParams),
  8. $params['user'] ?? '',
  9. $params['password'] ?? '',
  10. $driverOptions,
  11. );
in vendor/doctrine/dbal/src/Driver/PDO/MySQL/Driver.php -> __construct (line 33)
  2. $safeParams = $params;
  3. unset($safeParams['password'], $safeParams['url']);
  5. try {
  6. $pdo = new PDO(
  7. $this->constructPdoDsn($safeParams),
  8. $params['user'] ?? '',
  9. $params['password'] ?? '',
  10. $driverOptions,
  11. );
in vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php -> connect (line 29)
  1. */
  2. public function connect(
  3. #[SensitiveParameter]
  4. array $params
  5. ) {
  6. return $this->wrappedDriver->connect($params);
  7. }
  9. /**
  10. * {@inheritDoc}
  11. */
in vendor/doctrine/dbal/src/Logging/Driver.php -> connect (line 34)
  1. array $params
  2. ) {
  3. $this->logger->info('Connecting with parameters {params}', ['params' => $this->maskPassword($params)]);
  5. return new Connection(
  6. parent::connect($params),
  7. $this->logger,
  8. );
  9. }
  11. /**
in vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php -> connect (line 29)
  1. */
  2. public function connect(
  3. #[SensitiveParameter]
  4. array $params
  5. ) {
  6. return $this->wrappedDriver->connect($params);
  7. }
  9. /**
  10. * {@inheritDoc}
  11. */
in vendor/symfony/doctrine-bridge/Middleware/Debug/Driver.php -> connect (line 37)
  1. parent::__construct($driver);
  2. }
  4. public function connect(array $params): ConnectionInterface
  5. {
  6. $connection = parent::connect($params);
  8. if ('void' !== (string) (new \ReflectionMethod(ConnectionInterface::class, 'commit'))->getReturnType()) {
  9. return new DBAL3\Connection(
  10. $connection,
  11. $this->debugDataHolder,
in vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php -> connect (line 29)
  1. */
  2. public function connect(
  3. #[SensitiveParameter]
  4. array $params
  5. ) {
  6. return $this->wrappedDriver->connect($params);
  7. }
  9. /**
  10. * {@inheritDoc}
  11. */
in vendor/symfony/doctrine-bridge/Middleware/IdleConnection/Driver.php -> connect (line 35)
  1. }
  3. public function connect(array $params): ConnectionInterface
  4. {
  5. $timestamp = time();
  6. $connection = parent::connect($params);
  7. $this->connectionExpiries[$this->connectionName] = $timestamp + $this->ttl;
  9. return $connection;
  10. }
  11. }
in vendor/doctrine/dbal/src/Connection.php -> connect (line 383)
  1. if ($this->_conn !== null) {
  2. return false;
  3. }
  5. try {
  6. $this->_conn = $this->_driver->connect($this->params);
  7. } catch (Driver\Exception $e) {
  8. throw $this->convertException($e);
  9. }
  11. if ($this->autoCommit === false) {
in vendor/doctrine/dbal/src/Connection.php -> connect (line 458)
  1. }
  3. // If not connected, we need to connect now to determine the platform version.
  4. if ($this->_conn === null) {
  5. try {
  6. $this->connect();
  7. } catch (Exception $originalException) {
  8. if (! isset($this->params['dbname'])) {
  9. throw $originalException;
  10. }
in vendor/doctrine/dbal/src/Connection.php -> getDatabasePlatformVersion (line 416)
  1. *
  2. * @throws Exception If an invalid platform was specified for this connection.
  3. */
  4. private function detectDatabasePlatform(): AbstractPlatform
  5. {
  6. $version = $this->getDatabasePlatformVersion();
  8. if ($version !== null) {
  9. assert($this->_driver instanceof VersionAwarePlatformDriver);
  11. return $this->_driver->createDatabasePlatformForVersion($version);
in vendor/doctrine/dbal/src/Connection.php -> detectDatabasePlatform (line 323)
  1. * @throws Exception
  2. */
  3. public function getDatabasePlatform()
  4. {
  5. if ($this->platform === null) {
  6. $this->platform = $this->detectDatabasePlatform();
  7. $this->platform->setEventManager($this->_eventManager);
  8. $this->platform->setDisableTypeComments($this->_config->getDisableTypeComments());
  9. }
  11. return $this->platform;
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> getDatabasePlatform (line 740)
  1. }
  3. private function getTargetPlatform(): Platforms\AbstractPlatform
  4. {
  5. if (! $this->targetPlatform) {
  6. $this->targetPlatform = $this->em->getConnection()->getDatabasePlatform();
  7. }
  9. return $this->targetPlatform;
  10. }
  11. }
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> getTargetPlatform (line 550)
  1. */
  2. private function completeIdGeneratorMapping(ClassMetadata $class): void
  3. {
  4. $idGenType = $class->generatorType;
  5. if ($idGenType === ClassMetadata::GENERATOR_TYPE_AUTO) {
  6. $class->setIdGeneratorType($this->determineIdGeneratorStrategy($this->getTargetPlatform()));
  7. }
  9. // Create & assign an appropriate ID generator instance
  10. switch ($class->generatorType) {
  11. case ClassMetadata::GENERATOR_TYPE_IDENTITY:
in vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php -> completeIdGeneratorMapping (line 178)
  1. // However this is only true if the hierarchy of parents contains the root entity,
  2. // if it consists of mapped superclasses these don't necessarily include the id field.
  3. if ($parent && $rootEntityFound) {
  4. $this->inheritIdGeneratorMapping($class, $parent);
  5. } else {
  6. $this->completeIdGeneratorMapping($class);
  7. }
  9. if (! $class->isMappedSuperclass) {
  10. if ($rootEntityFound && $class->isInheritanceTypeNone()) {
  11. throw MappingException::missingInheritanceTypeDeclaration(end($nonSuperclassParents), $class->name);
in vendor/doctrine/doctrine-bundle/src/Mapping/ClassMetadataFactory.php -> doLoadMetadata (line 18)
  1. /**
  2. * {@inheritDoc}
  3. */
  4. protected function doLoadMetadata($class, $parent, $rootEntityFound, array $nonSuperclassParents): void
  5. {
  6. parent::doLoadMetadata($class, $parent, $rootEntityFound, $nonSuperclassParents);
  8. $customGeneratorDefinition = $class->customGeneratorDefinition;
  10. if (! isset($customGeneratorDefinition['instance'])) {
  11. return;
in vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php -> doLoadMetadata (line 318)
  1. }
  3. $class = $this->newClassMetadataInstance($className);
  4. $this->initializeReflection($class, $reflService);
  6. $this->doLoadMetadata($class, $parent, $rootEntityFound, $visited);
  8. $this->loadedMetadata[$className] = $class;
  10. $parent = $class;
in vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php -> loadMetadata (line 187)
  1. /** @phpstan-var CMTemplate $cached */
  2. $this->loadedMetadata[$realClassName] = $cached;
  4. $this->wakeupReflection($cached, $this->getReflectionService());
  5. } else {
  6. $loadedMetadata = $this->loadMetadata($realClassName);
  7. $classNames = array_combine(
  8. array_map($this->getCacheKey(...), $loadedMetadata),
  9. $loadedMetadata,
  10. );
in vendor/doctrine/orm/src/EntityManager.php -> getMetadataFor (line 224)
  1. *
  2. * {@inheritDoc}
  3. */
  4. public function getClassMetadata(string $className): Mapping\ClassMetadata
  5. {
  6. return $this->metadataFactory->getMetadataFor($className);
  7. }
  9. public function createQuery(string $dql = ''): Query
  10. {
  11. $query = new Query($this);
in vendor/doctrine/doctrine-bundle/src/Repository/ContainerRepositoryFactory.php -> getClassMetadata (line 47)
  1. *
  2. * @template T of object
  3. */
  4. private function doGetRepository(EntityManagerInterface $entityManager, string $entityName, bool $strictTypeCheck): ObjectRepository
  5. {
  6. $metadata = $entityManager->getClassMetadata($entityName);
  7. $repositoryServiceId = $metadata->customRepositoryClassName;
  9. $customRepositoryName = $metadata->customRepositoryClassName;
  10. if ($customRepositoryName !== null) {
  11. // fetch from the container
in vendor/doctrine/doctrine-bundle/src/Repository/RepositoryFactoryCompatibility.php -> doGetRepository (line 27)
  1. *
  2. * @template T of object
  3. */
  4. public function getRepository(EntityManagerInterface $entityManager, string $entityName): EntityRepository
  5. {
  6. return $this->doGetRepository($entityManager, $entityName, true);
  7. }
  8. }
  9. } else {
  10. // ORM 2
  11. /** @internal */
in vendor/doctrine/orm/src/EntityManager.php -> getRepository (line 499)
  1. *
  2. * @template T of object
  3. */
  4. public function getRepository(string $className): EntityRepository
  5. {
  6. return $this->repositoryFactory->getRepository($this, $className);
  7. }
  9. /**
  10. * Determines whether an entity instance is managed in this EntityManager.
  11. *
in vendor/symfony/doctrine-bridge/ArgumentResolver/EntityValueResolver.php -> getRepository (line 79)
  1. }
  3. throw new NearMissValueResolverException(sprintf('Cannot find mapping for "%s": declare one using either the #[MapEntity] attribute or mapped route parameters.', $options->class));
  4. }
  5. try {
  6. $object = $manager->getRepository($options->class)->findOneBy($criteria);
  7. } catch (NoResultException|ConversionException) {
  8. $object = null;
  9. }
  10. }
in vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.php -> resolve (line 37)
  1. public function resolve(Request $request, ArgumentMetadata $argument): iterable
  2. {
  3. $method = $this->inner::class.'::'.__FUNCTION__;
  4. $this->stopwatch->start($method, 'controller.argument_value_resolver');
  6. yield from $this->inner->resolve($request, $argument);
  8. $this->stopwatch->stop($method);
  9. }
  10. }
in vendor/symfony/http-kernel/Controller/ArgumentResolver.php -> resolve (line 91)
  1. continue;
  2. }
  4. try {
  5. $count = 0;
  6. foreach ($resolver->resolve($request, $metadata) as $argument) {
  7. ++$count;
  8. $arguments[] = $argument;
  9. }
  10. } catch (NearMissValueResolverException $e) {
  11. $valueResolverExceptions[] = $e;
in vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php -> getArguments (line 33)
  1. public function getArguments(Request $request, callable $controller, ?\ReflectionFunctionAbstract $reflector = null): array
  2. {
  3. $e = $this->stopwatch->start('controller.get_arguments');
  5. try {
  6. return $this->resolver->getArguments($request, $controller, $reflector);
  7. } finally {
  8. $e->stop();
  9. }
  10. }
  11. }
in vendor/symfony/http-kernel/HttpKernel.php -> getArguments (line 175)
  1. $event = new ControllerEvent($this, $controller, $request, $type);
  2. $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER);
  3. $controller = $event->getController();
  5. // controller arguments
  6. $arguments = $this->argumentResolver->getArguments($request, $controller, $event->getControllerReflector());
  8. $event = new ControllerArgumentsEvent($this, $event, $arguments, $request, $type);
  9. $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER_ARGUMENTS);
  10. $controller = $event->getController();
  11. $arguments = $event->getArguments();
in vendor/symfony/http-kernel/HttpKernel.php -> handleRaw (line 76)
  1. $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3. $this->requestStack->push($request);
  4. $response = null;
  5. try {
  6. return $response = $this->handleRaw($request, $type);
  7. } catch (\Throwable $e) {
  8. if ($e instanceof \Error && !$this->handleAllThrowables) {
  9. throw $e;
  10. }
in vendor/symfony/http-kernel/Kernel.php -> handle (line 182)
  1. $this->boot();
  2. ++$this->requestStackSize;
  3. $this->resetServices = true;
  5. try {
  6. return $this->getHttpKernel()->handle($request, $type, $catch);
  7. } finally {
  8. --$this->requestStackSize;
  9. }
  10. }
in vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php -> handle (line 35)
  1. ) {
  2. }
  4. public function run(): int
  5. {
  6. $response = $this->kernel->handle($this->request);
  8. if (Kernel::VERSION_ID >= 60400) {
  9. $response->send(false);
  11. if (\function_exists('fastcgi_finish_request') && !$this->debug) {
in vendor/autoload_runtime.php -> run (line 29)
  1. $app = $app(...$args);
  3. exit(
  4. $runtime
  5. ->getRunner($app)
  6. ->run()
  7. );
require_once('/var/www/curieux.app/vendor/autoload_runtime.php') in public/index.php (line 5)
  1. <?php
  3. use App\Kernel;
  5. require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
  7. return function (array $context) {
  8. return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
  9. };

Logs

Level Channel Message
INFO 21:35:09 request Matched route "_profiler". 
{
    "route": "_profiler",
    "route_parameters": {
        "_route": "_profiler",
        "_controller": "web_profiler.controller.profiler::panelAction",
        "token": "latest"
    },
    "request_uri": "https://bamako.curieux.app/_profiler/latest?ip=20.171.207.103&type=request",
    "method": "GET"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\UX\Turbo\Request\RequestListener::__invoke". 
{
    "event": "kernel.request",
    "listener": "Symfony\\UX\\Turbo\\Request\\RequestListener::__invoke"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Bridge\Doctrine\Middleware\IdleConnection\Listener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bridge\\Doctrine\\Middleware\\IdleConnection\\Listener::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\AssetMapper\AssetMapperDevServerSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\AssetMapper\\AssetMapperDevServerSubscriber::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "EasyCorp\Bundle\EasyAdminBundle\EventListener\AdminRouterSubscriber::onKernelRequestPrettyUrls". 
{
    "event": "kernel.request",
    "listener": "EasyCorp\\Bundle\\EasyAdminBundle\\EventListener\\AdminRouterSubscriber::onKernelRequestPrettyUrls"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "EasyCorp\Bundle\EasyAdminBundle\EventListener\AdminRouterSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "EasyCorp\\Bundle\\EasyAdminBundle\\EventListener\\AdminRouterSubscriber::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.request" to listener "Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\UX\\LiveComponent\\EventListener\\LiveComponentSubscriber::onKernelRequest"
}
DEBUG 21:35:09 event Notified event "kernel.controller" to listener "EasyCorp\Bundle\EasyAdminBundle\EventListener\AdminRouterSubscriber::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "EasyCorp\\Bundle\\EasyAdminBundle\\EventListener\\AdminRouterSubscriber::onKernelController"
}
DEBUG 21:35:09 event Notified event "kernel.controller" to listener "Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\UX\\LiveComponent\\EventListener\\LiveComponentSubscriber::onKernelController"
}
DEBUG 21:35:09 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 21:35:09 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 21:35:09 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsCsrfTokenValidAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsCsrfTokenValidAttributeListener::onKernelControllerArguments"
}
DEBUG 21:35:09 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
}
DEBUG 21:35:09 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
}
DEBUG 21:35:09 event Notified event "kernel.controller_arguments" to listener "ContainerKG1Aitl\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "ContainerKG1Aitl\\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments"
}
DEBUG 21:35:09 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
}

Stack Traces 3

[3/3] DriverException 
Doctrine\DBAL\Exception\DriverException:
An exception occurred in the driver: SQLSTATE[08004] [1040] Too many connections

  at vendor/doctrine/dbal/src/Driver/API/MySQL/ExceptionConverter.php:118
  at Doctrine\DBAL\Driver\API\MySQL\ExceptionConverter->convert()
     (vendor/doctrine/dbal/src/Connection.php:1976)
  at Doctrine\DBAL\Connection->handleDriverException()
     (vendor/doctrine/dbal/src/Connection.php:1924)
  at Doctrine\DBAL\Connection->convertException()
     (vendor/doctrine/dbal/src/Connection.php:385)
  at Doctrine\DBAL\Connection->connect()
     (vendor/doctrine/dbal/src/Connection.php:458)
  at Doctrine\DBAL\Connection->getDatabasePlatformVersion()
     (vendor/doctrine/dbal/src/Connection.php:416)
  at Doctrine\DBAL\Connection->detectDatabasePlatform()
     (vendor/doctrine/dbal/src/Connection.php:323)
  at Doctrine\DBAL\Connection->getDatabasePlatform()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:740)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->getTargetPlatform()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:550)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->completeIdGeneratorMapping()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:178)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->doLoadMetadata()
     (vendor/doctrine/doctrine-bundle/src/Mapping/ClassMetadataFactory.php:18)
  at Doctrine\Bundle\DoctrineBundle\Mapping\ClassMetadataFactory->doLoadMetadata()
     (vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php:318)
  at Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->loadMetadata()
     (vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php:187)
  at Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->getMetadataFor()
     (vendor/doctrine/orm/src/EntityManager.php:224)
  at Doctrine\ORM\EntityManager->getClassMetadata()
     (vendor/doctrine/doctrine-bundle/src/Repository/ContainerRepositoryFactory.php:47)
  at Doctrine\Bundle\DoctrineBundle\Repository\ContainerRepositoryFactory->doGetRepository()
     (vendor/doctrine/doctrine-bundle/src/Repository/RepositoryFactoryCompatibility.php:27)
  at Doctrine\Bundle\DoctrineBundle\Repository\ContainerRepositoryFactory->getRepository()
     (vendor/doctrine/orm/src/EntityManager.php:499)
  at Doctrine\ORM\EntityManager->getRepository()
     (vendor/symfony/doctrine-bridge/ArgumentResolver/EntityValueResolver.php:79)
  at Symfony\Bridge\Doctrine\ArgumentResolver\EntityValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.php:37)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver\TraceableValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver.php:91)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php:33)
  at Symfony\Component\HttpKernel\Controller\TraceableArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/HttpKernel.php:175)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:182)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (vendor/autoload_runtime.php:29)
  at require_once('/var/www/curieux.app/vendor/autoload_runtime.php')
     (public/index.php:5)
[2/3] Exception 
Doctrine\DBAL\Driver\PDO\Exception:
SQLSTATE[08004] [1040] Too many connections

  at vendor/doctrine/dbal/src/Driver/PDO/Exception.php:24
  at Doctrine\DBAL\Driver\PDO\Exception::new()
     (vendor/doctrine/dbal/src/Driver/PDO/MySQL/Driver.php:40)
  at Doctrine\DBAL\Driver\PDO\MySQL\Driver->connect()
     (vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php:29)
  at Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware->connect()
     (vendor/doctrine/dbal/src/Logging/Driver.php:34)
  at Doctrine\DBAL\Logging\Driver->connect()
     (vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php:29)
  at Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware->connect()
     (vendor/symfony/doctrine-bridge/Middleware/Debug/Driver.php:37)
  at Symfony\Bridge\Doctrine\Middleware\Debug\Driver->connect()
     (vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php:29)
  at Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware->connect()
     (vendor/symfony/doctrine-bridge/Middleware/IdleConnection/Driver.php:35)
  at Symfony\Bridge\Doctrine\Middleware\IdleConnection\Driver->connect()
     (vendor/doctrine/dbal/src/Connection.php:383)
  at Doctrine\DBAL\Connection->connect()
     (vendor/doctrine/dbal/src/Connection.php:458)
  at Doctrine\DBAL\Connection->getDatabasePlatformVersion()
     (vendor/doctrine/dbal/src/Connection.php:416)
  at Doctrine\DBAL\Connection->detectDatabasePlatform()
     (vendor/doctrine/dbal/src/Connection.php:323)
  at Doctrine\DBAL\Connection->getDatabasePlatform()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:740)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->getTargetPlatform()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:550)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->completeIdGeneratorMapping()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:178)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->doLoadMetadata()
     (vendor/doctrine/doctrine-bundle/src/Mapping/ClassMetadataFactory.php:18)
  at Doctrine\Bundle\DoctrineBundle\Mapping\ClassMetadataFactory->doLoadMetadata()
     (vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php:318)
  at Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->loadMetadata()
     (vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php:187)
  at Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->getMetadataFor()
     (vendor/doctrine/orm/src/EntityManager.php:224)
  at Doctrine\ORM\EntityManager->getClassMetadata()
     (vendor/doctrine/doctrine-bundle/src/Repository/ContainerRepositoryFactory.php:47)
  at Doctrine\Bundle\DoctrineBundle\Repository\ContainerRepositoryFactory->doGetRepository()
     (vendor/doctrine/doctrine-bundle/src/Repository/RepositoryFactoryCompatibility.php:27)
  at Doctrine\Bundle\DoctrineBundle\Repository\ContainerRepositoryFactory->getRepository()
     (vendor/doctrine/orm/src/EntityManager.php:499)
  at Doctrine\ORM\EntityManager->getRepository()
     (vendor/symfony/doctrine-bridge/ArgumentResolver/EntityValueResolver.php:79)
  at Symfony\Bridge\Doctrine\ArgumentResolver\EntityValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.php:37)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver\TraceableValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver.php:91)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php:33)
  at Symfony\Component\HttpKernel\Controller\TraceableArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/HttpKernel.php:175)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:182)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (vendor/autoload_runtime.php:29)
  at require_once('/var/www/curieux.app/vendor/autoload_runtime.php')
     (public/index.php:5)
[1/3] PDOException 
PDOException:
SQLSTATE[08004] [1040] Too many connections

  at vendor/doctrine/dbal/src/Driver/PDO/MySQL/Driver.php:33
  at PDO->__construct()
     (vendor/doctrine/dbal/src/Driver/PDO/MySQL/Driver.php:33)
  at Doctrine\DBAL\Driver\PDO\MySQL\Driver->connect()
     (vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php:29)
  at Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware->connect()
     (vendor/doctrine/dbal/src/Logging/Driver.php:34)
  at Doctrine\DBAL\Logging\Driver->connect()
     (vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php:29)
  at Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware->connect()
     (vendor/symfony/doctrine-bridge/Middleware/Debug/Driver.php:37)
  at Symfony\Bridge\Doctrine\Middleware\Debug\Driver->connect()
     (vendor/doctrine/dbal/src/Driver/Middleware/AbstractDriverMiddleware.php:29)
  at Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware->connect()
     (vendor/symfony/doctrine-bridge/Middleware/IdleConnection/Driver.php:35)
  at Symfony\Bridge\Doctrine\Middleware\IdleConnection\Driver->connect()
     (vendor/doctrine/dbal/src/Connection.php:383)
  at Doctrine\DBAL\Connection->connect()
     (vendor/doctrine/dbal/src/Connection.php:458)
  at Doctrine\DBAL\Connection->getDatabasePlatformVersion()
     (vendor/doctrine/dbal/src/Connection.php:416)
  at Doctrine\DBAL\Connection->detectDatabasePlatform()
     (vendor/doctrine/dbal/src/Connection.php:323)
  at Doctrine\DBAL\Connection->getDatabasePlatform()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:740)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->getTargetPlatform()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:550)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->completeIdGeneratorMapping()
     (vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php:178)
  at Doctrine\ORM\Mapping\ClassMetadataFactory->doLoadMetadata()
     (vendor/doctrine/doctrine-bundle/src/Mapping/ClassMetadataFactory.php:18)
  at Doctrine\Bundle\DoctrineBundle\Mapping\ClassMetadataFactory->doLoadMetadata()
     (vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php:318)
  at Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->loadMetadata()
     (vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php:187)
  at Doctrine\Persistence\Mapping\AbstractClassMetadataFactory->getMetadataFor()
     (vendor/doctrine/orm/src/EntityManager.php:224)
  at Doctrine\ORM\EntityManager->getClassMetadata()
     (vendor/doctrine/doctrine-bundle/src/Repository/ContainerRepositoryFactory.php:47)
  at Doctrine\Bundle\DoctrineBundle\Repository\ContainerRepositoryFactory->doGetRepository()
     (vendor/doctrine/doctrine-bundle/src/Repository/RepositoryFactoryCompatibility.php:27)
  at Doctrine\Bundle\DoctrineBundle\Repository\ContainerRepositoryFactory->getRepository()
     (vendor/doctrine/orm/src/EntityManager.php:499)
  at Doctrine\ORM\EntityManager->getRepository()
     (vendor/symfony/doctrine-bridge/ArgumentResolver/EntityValueResolver.php:79)
  at Symfony\Bridge\Doctrine\ArgumentResolver\EntityValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.php:37)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver\TraceableValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver.php:91)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php:33)
  at Symfony\Component\HttpKernel\Controller\TraceableArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/HttpKernel.php:175)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:182)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (vendor/autoload_runtime.php:29)
  at require_once('/var/www/curieux.app/vendor/autoload_runtime.php')
     (public/index.php:5)