"no instance returned" Zend Framework 2 #3125
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#262 again :)
…On Mon, Mar 6, 2017 at 6:48 PM, monteiro07 ***@***.***> wrote:
Hi, i have been following step by step the beginners guide of Zend
Framework 2 on their website (https://framework.zend.com/
manual/2.4/en/in-depth-guide/preparing-db-backend.html) and i encountered
the following error:
An exception was raised while creating "Blog\Controller\List"; no instance
returned
here is my module.config:
<?php // Filename: /module/Blog/config/module.config.php return array( //
This lines opens the configuration for the RouteManager 'db' => array(
'driver' => 'Pdo', 'username' => 'root', //edit this 'password' => '',
//edit this 'dsn' => 'mysql:dbname=blog;host=localhost', 'driver_options'
=> array( \PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES \'UTF8\'' ) ),
'router' => array( // Open configuration for all possible routes 'routes'
=> array( // Define a new route called "post" 'post' => array( 'type' =>
'literal', // Configure the route itself 'options' => array( // Listen to
"/blog" as uri 'route' => '/blog', 'defaults' => array( 'controller' =>
'Blog\Controller\List', 'action' => 'index', ) ) ) ) ), 'controllers' =>
array( 'factories' => array( 'Blog\Controller\List' => 'Blog\Factory\ListControllerFactory'
) ), 'view_manager' => array( 'template_path_stack' => array( __DIR__ .
'/../view', ), ), 'service_manager' => array( 'factories' => array(
'Blog\Mapper\PostMapperInterface' => 'Blog\Factory\ZendDbSqlMapperFactory',
'Blog\Service\PostServiceInterface' => 'Blog\Factory\PostServiceFactory',
'Zend\Db\Adapter\Adapter' => 'Zend\Db\Adapter\AdapterServiceFactory' ) ),
);
my listcontroller:
`<?php
// Filename: /module/Blog/src/Blog/Controller/ListController.php
namespace Blog\Controller;
use Blog\Service\PostServiceInterface;
use Zend\Mvc\Controller\AbstractActionController;
use Zend\View\Model\ViewModel;
class ListController extends AbstractActionController
{
/**
* @var <https://github.com/var> \Blog\Service\PostServiceInterface
*/
protected $postService;
public function __construct(PostServiceInterface $postService)
{
$this->postService = $postService;
}
public function indexAction()
{
return new ViewModel(array(
'posts' => $this->postService->findAllPosts()
));
}
}my ListControllerFactory:<?php
// Filename: /module/Blog/src/Blog/Factory/ListControllerFactory.php
namespace Blog\Factory;
use Blog\Controller\ListController;
use Zend\ServiceManager\FactoryInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
class ListControllerFactory implements FactoryInterface
{
/**
* Create service
*
* @param <https://github.com/param> ServiceLocatorInterface
$serviceLocator
*
* @return <https://github.com/return> mixed
*/
public function createService(ServiceLocatorInterface $serviceLocator)
{
$realServiceLocator = $serviceLocator->getServiceLocator();
$postService = $realServiceLocator->get('Blog\Service\
PostServiceInterface');
return new ListController($postService);
}
}my PostService:<?php
// Filename: /module/Blog/src/Blog/Service/PostService.php
namespace Blog\Service;
use Blog\Mapper\PostMapperInterface;
class PostService implements PostServiceInterface
{
protected $postMapper;
public function findAllPosts()
{
// TODO: Implement findAllPosts() method.
return $this->postMapper->findAll();
}
/**
* ***@***.***}
*/
public function findPost($id)
{
// TODO: Implement findPost() method.
return $this->postMapper->find($id);
}
public function __construct(PostMapperInterface $postMapper)
{
$this->postMapper = $postMapper;
}
}my PostServiceMapper:<?php
// Filename: /module/Blog/src/Blog/Factory/PostServiceFactory.php
namespace Blog\Factory;
use Blog\Service\PostService;
use Zend\ServiceManager\FactoryInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
class PostServiceFactory implements FactoryInterface
{
/**
* Create service
*
* @param <https://github.com/param> ServiceLocatorInterface
$serviceLocator
* @return <https://github.com/return> mixed
*/
public function createService(ServiceLocatorInterface $serviceLocator)
{
return new PostService(
$serviceLocator->get('Blog\Mapper\PostMapperInterface')
);
}
}my ZendDbSqlMapper:<?php
// Filename: /module/Blog/src/Blog/Mapper/ZendDbSqlMapper.php
namespace Blog\Mapper;
use Blog\Model\PostInterface;
use Zend\Db\Adapter\AdapterInterface;
use Zend\Db\Sql\Sql;
class ZendDbSqlMapper implements PostMapperInterface
{
/**
* @var <https://github.com/var> \Zend\Db\Adapter\AdapterInterface
*/
protected $dbAdapter;
/**
* @param AdapterInterface $dbAdapter
*/
public function __construct(AdapterInterface $dbAdapter)
{
$this->dbAdapter = $dbAdapter;
}
/**
* @param int|string $id
*
* @return PostInterface
* @throws \InvalidArgumentException
*/
public function find($id)
{
}
/**
* @return array|PostInterface[]
*/
public function findAll()
{
$sql = new Sql($this->dbAdapter);
$select = $sql->select('posts');
$stmt = $sql->prepareStatementForSqlObject($select);
$result = $stmt->execute();
return $result;
}
}`
Any help apreciated, i been stuck for ages now D:
thanks for the atention
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sorry, first post.. xd |
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no problem, can you please close this. Thanks |
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why? what am i doin wrong? |
|
@monteiro07 You are posting your issue on the issue tracker of crouton. Looking at your question this has nothing to do with crouton, you probably want another git here on github. Like somewhere here https://github.com/zendframework/ |
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Hi, i have been following step by step the beginners guide of Zend Framework 2 on their website (https://framework.zend.com/manual/2.4/en/in-depth-guide/preparing-db-backend.html) and i encountered the following error:
An exception was raised while creating "Blog\Controller\List"; no instance returned
stack trace:
#0 C:\wamp64\www\zf2\vendor\zendframework\zend-servicemanager\src\AbstractPluginManager.php(284): Zend\ServiceManager\ServiceManager->createServiceViaCallback(Array, 'blogcontrollerl...', 'Blog\Controller...')
#1 C:\wamp64\www\zf2\vendor\zendframework\zend-servicemanager\src\AbstractPluginManager.php(242): Zend\ServiceManager\AbstractPluginManager->createServiceViaCallback(Array, 'blogcontrollerl...', 'Blog\Controller...')
#2 C:\wamp64\www\zf2\vendor\zendframework\zend-servicemanager\src\ServiceManager.php(638): Zend\ServiceManager\AbstractPluginManager->createFromFactory('blogcontrollerl...', 'Blog\Controller...')
#3 C:\wamp64\www\zf2\vendor\zendframework\zend-servicemanager\src\ServiceManager.php(598): Zend\ServiceManager\ServiceManager->doCreate('Blog\Controller...', 'blogcontrollerl...')
#4 C:\wamp64\www\zf2\vendor\zendframework\zend-servicemanager\src\ServiceManager.php(530): Zend\ServiceManager\ServiceManager->create(Array)
#5 C:\wamp64\www\zf2\vendor\zendframework\zend-servicemanager\src\AbstractPluginManager.php(116): Zend\ServiceManager\ServiceManager->get('Blog\Controller...', false)
#6 C:\wamp64\www\zf2\vendor\zendframework\zend-mvc\src\Controller\ControllerManager.php(137): Zend\ServiceManager\AbstractPluginManager->get('Blog\Controller...', Array, false)
#7 C:\wamp64\www\zf2\vendor\zendframework\zend-mvc\src\DispatchListener.php(76): Zend\Mvc\Controller\ControllerManager->get('Blog\Controller...')
#8 [internal function]: Zend\Mvc\DispatchListener->onDispatch(Object(Zend\Mvc\MvcEvent))
#9 C:\wamp64\www\zf2\vendor\zendframework\zend-eventmanager\src\EventManager.php(444): call_user_func(Array, Object(Zend\Mvc\MvcEvent))
#10 C:\wamp64\www\zf2\vendor\zendframework\zend-eventmanager\src\EventManager.php(205): Zend\EventManager\EventManager->triggerListeners('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure))
#11 C:\wamp64\www\zf2\vendor\zendframework\zend-mvc\src\Application.php(314): Zend\EventManager\EventManager->trigger('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure))
#12 C:\wamp64\www\zf2\public\index.php(21): Zend\Mvc\Application->run()
#13 {main}
Any help apreciated, i been stuck for ages now D:
thanks for the atention
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