Magento Mage registry key “_singleton/core/resource” already exists

Mage registry key “_singleton/core/resource” already exists is a very common problem during magento update and due to this issues many time we are getting the erros in the page “There has been an error processing your request” . In my case i found the issue is due to cache so what i did i cleaned my cache every time through index.php  of magento .

$app = Mage::app();
if ($app != null)
{
    $cache = $app->getCache();
    if ($cache != null)
    {
        $cache->clean();
    }
}
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One comment on “Magento Mage registry key “_singleton/core/resource” already exists
  1. Center says:

    Thanks this worked 100% after upgrading from 1.6.0 tot 1.6.1

Vipin Sahu
“Co-founder at WEBKUL world largest open source plugin development company blogging on startups , business , technology and web ”
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