Secondary database connection with Doctrine 2 and ZF2 - php

Question

I am trying to add a extra connection to my doctrine configuration. my orm_default connection works perfectly fine, and now I'm trying to add a new module with its own Doctrine configuration (mostly learning purposes, buts its rather annoying that I can't get it to work).
The module is called Frontpage, and all relevant code is in this one, except for username/password details that resides in local.php...
My error is
Zend\ServiceManager\Exception\ServiceNotCreatedException
An exception was raised while creating "doctrine.entitymanager.orm_hosts"; no instance returned
Also further down the stacktrace (the last exception) which I think is relevant, but don't know how to fix...
Zend\Stdlib\Exception\BadMethodCallException
The option "hydration_cache" does not have a matching setHydrationCache setter method which must be defined
Here is my module config (relevant parts) file:
'doctrine' => [
'connection' => [
'orm_hosts' => [
'driverClass' => 'Doctrine\DBAL\Driver\PDOMySql\Driver',
'params' => [
'host' => '127.0.0.1',
'port' => '3306',
'dbname' => 'hosts',
],
],
],
'entitymanager' => array(
'orm_hosts' => array(
'connection' => 'orm_hosts',
'configuration' => 'orm_hosts'
)
),
'configuration' => array(
'orm_hosts' => array(
'driver' => 'orm_hosts',
'generate_proxies' => true,
'proxy_dir' => 'data/DoctrineORMModule/Proxy',
'proxy_namespace' => 'DoctrineORMModule\Proxy',
'filters' => array(),
'metadata_cache' => 'array',
'query_cache' => 'array',
'result_cache' => 'array',
//'hydration_cache' => 'array',
)
),
'driver' => array(
'orm_hosts' => array(
'class' => 'Doctrine\ORM\Mapping\Driver\DriverChain',
'drivers' => array(
'Common\Entity' => 'Hosts_Driver'
)
),
'Hosts_Driver' => array(
'class' => 'Doctrine\ORM\Mapping\Driver\AnnotationDriver',
'cache' => 'array',
'paths' => array(
__DIR__ . '/../src/Common/Entity'
)
),
),
'eventmanager' => array(
'orm_hosts' => array()
),
'sql_logger_collector' => array(
'orm_hosts' => array(),
),
'entity_resolver' => array(
'orm_hosts' => array()
),
],
And my Module.php's getServiceConfig():
public function getServiceConfig()
{
return array(
'factories' => array(
'doctrine.connection.orm_hosts' => new Service\DBALConnectionFactory('orm_hosts'),
'doctrine.configuration.orm_hosts' => new Service\ConfigurationFactory('orm_hosts'),
'doctrine.entitymanager.orm_hosts' => new Service\EntityManagerFactory('orm_hosts'),
'doctrine.entity_resolver.orm_hosts' => new Service\EntityResolverFactory('orm_hosts'),
'doctrine.sql_logger_collector.orm_hosts' => new Service\SQLLoggerCollectorFactory('orm_hosts'),
'doctrine.driver.orm_hosts' => new \DoctrineModule\Service\DriverFactory('orm_hosts'),
'doctrine.eventmanager.orm_hosts' => new \DoctrineModule\Service\EventManagerFactory('orm_hosts'),
'DoctrineORMModule\Form\Annotation\AnnotationBuilder\orm_hosts' => function(\Zend\ServiceManager\ServiceLocatorInterface $sl) {
return new \DoctrineORMModule\Form\Annotation\AnnotationBuilder($sl->get('doctrine.entitymanager.orm_hosts'));
},
),
);
}
And here is my getEntityManager() in IndexController that fails
/**
* #return array|EntityManager|object
*/
public function getEntityManager() {
if (NULL === $this->em) {
/** #var \Doctrine\ORM\EntityManager $em */
$em = $this->getServiceLocator()->get('doctrine.entitymanager.orm_hosts');
//$em = $this->getServiceLocator()->get('doctrine')->getManager("orm_hosts");
$this->em = $em;
}
return $this->em;
}
Any help will be gratly appreciated :)
Best regards
Richard

Answer 1

Okay, so I still don't know what is wrong with the above code, but if I remove
'Hydration_cache' => 'array'
In the doctrine configuration from my module config, it actually works! Still, if anyone want's to explain what happens, I would appreciate to know more :)