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PONo instance returned Zend Framework 2?
 

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    <p>I have developed one project and successfully works on my local machine.on live site i create one folder dev in public_html and move same project from local machine,but its gives me following error. </p> <blockquote> <p>Zend\ServiceManager\Exception\ServiceNotCreatedException</p> </blockquote> <pre><code>File: /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/ServiceManager/ServiceManager.php:859 Message: An exception was raised while creating "Front/Model/Slider"; no instance returned </code></pre> <blockquote> <p>Zend\ServiceManager\Exception\ServiceNotCreatedException </p> </blockquote> <pre><code>File: /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/ServiceManager/ServiceManager.php:859 Message: An exception was raised while creating "Zend\Db\Adapter\Adapter"; no instance returned </code></pre> <blockquote> <p>Zend\Db\Adapter\Exception\RuntimeException</p> </blockquote> <pre><code>File: /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/Db/Adapter/Driver/Pdo/Pdo.php:218 Message: The PDO extension is required for this adapter but the extension is not loaded.. </code></pre> <p>My Service Factory means model.config.php file is: </p> <pre><code>&lt;?php namespace Front; /*use Zend\ModuleManager\ModuleManager;*/ class Module { public function getAutoloaderConfig() { return array('Zend\Loader\StandardAutoloader' =&gt; array('namespaces' =&gt; array(__NAMESPACE__ =&gt; __DIR__ . '/src/' . __NAMESPACE__,), ), ); } /* public function init(ModuleManager $moduleManager) { $sharedEvents = $moduleManager-&gt;getEventManager()-&gt;getSharedManager(); $sharedEvents-&gt;attach(__NAMESPACE__, 'dispatch', function($e) { // This event will only be fired when an ActionController under the MyModule namespace is dispatched. $controller = $e-&gt;getTarget(); $controller-&gt;layout('layout/frontlayout'); }, 100); } */ public function getConfig() { return include __DIR__ . '/config/module.config.php'; } // Add this method: public function getServiceConfig() { return array( 'factories' =&gt; array( 'Front\Model\Cms' =&gt; function($sm) { $dbAdapter = $sm-&gt;get('Zend\Db\Adapter\Adapter'); $table = new \Front\Model\Cms($dbAdapter); return $table; }, 'Front\Model\Slider' =&gt; function($sm) { $dbAdapter = $sm-&gt;get('Zend\Db\Adapter\Adapter'); $table = new \Front\Model\Slider($dbAdapter); return $table; }, ), ); } } ?&gt; </code></pre> <p>Stack Trace is like this: </p> <blockquote> <p>Zend\ServiceManager\Exception\ServiceNotCreatedException</p> </blockquote> <pre><code>File: /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/ServiceManager/ServiceManager.php:859 Message: An exception was raised while creating "Front/Model/Slider"; no instance returned #0 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/ServiceManager/ServiceManager.php(984): Zend\ServiceManager\ServiceManager-&gt;createServiceViaCallback(Object(Closure), 'frontmodelslide...', 'Front/Model/Sli...') #1 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/ServiceManager/ServiceManager.php(597): Zend\ServiceManager\ServiceManager-&gt;createFromFactory('frontmodelslide...', 'Front/Model/Sli...') #2 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/ServiceManager/ServiceManager.php(556): Zend\ServiceManager\ServiceManager-&gt;doCreate('Front/Model/Sli...', 'frontmodelslide...') #3 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/ServiceManager/ServiceManager.php(480): Zend\ServiceManager\ServiceManager-&gt;create(Array) #4 /home/projectname/public_html/dev/module/Front/src/Front/Controller/FrontController.php(65): Zend\ServiceManager\ServiceManager-&gt;get('Front/Model/Sli...') #5 /home/projectname/public_html/dev/module/Front/src/Front/Controller/FrontController.php(53): Front\Controller\FrontController-&gt;getSlider() #6 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/Mvc/Controller/AbstractActionController.php(83): Front\Controller\FrontController-&gt;indexAction() #7 [internal function]: Zend\Mvc\Controller\AbstractActionController-&gt;onDispatch(Object(Zend\Mvc\MvcEvent)) #8 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(468): call_user_func(Array, Object(Zend\Mvc\MvcEvent)) #9 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(207): Zend\EventManager\EventManager-&gt;triggerListeners('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure)) #10 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/Mvc/Controller/AbstractController.php(117): Zend\EventManager\EventManager-&gt;trigger('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure)) #11 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/Mvc/DispatchListener.php(114): Zend\Mvc\Controller\AbstractController-&gt;dispatch(Object(Zend\Http\PhpEnvironment\Request), Object(Zend\Http\PhpEnvironment\Response)) #12 [internal function]: Zend\Mvc\DispatchListener-&gt;onDispatch(Object(Zend\Mvc\MvcEvent)) #13 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(468): call_user_func(Array, Object(Zend\Mvc\MvcEvent)) #14 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(207): Zend\EventManager\EventManager-&gt;triggerListeners('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure)) #15 /home/projectname/public_html/dev/vendor/zendframework/zendframework/library/Zend/Mvc/Application.php(309): Zend\EventManager\EventManager-&gt;trigger('dispatch', Object(Zend\Mvc\MvcEvent), Object(Closure)) #16 /home/projectname/public_html/dev/public/index.php(17): Zend\Mvc\Application-&gt;run() #17 {main} </code></pre>
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