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While developing in Magento 2 after a while i get the following error:

Fatal error: Call to a member function getUsername() on null in /home/magento2/domains/../public_html/magento2/vendor/magento/module-backend/view/adminhtml/templates/page/header.phtml on line 32

I think it is after about 10 ~ 15 minutes. I need to relogin to proceed. What is the problem here and how can I solve it?

1 Answer 1

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It seems you extends \Magento\Framework\App\Action\Action class in admin controller.

Instead extend from \Magento\Backend\App\Action class, so it will redirect you to login page instead of throwing an error.

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  • Thanks, this was the solution. It is also staying logged in for a longer time. I didn't got logged out since the fix (yet).
    – Akif
    Aug 10, 2016 at 14:25
  • Btw, how did you know this was the problem. In other words, how did I had to solve this on my own? Did I mis a clue?
    – Akif
    Aug 10, 2016 at 19:13
  • in M2, there is different class for backend , where magento check session. You can also use \Magento\Framework\App\Action\Action but here magento doesn't validate session. Aug 11, 2016 at 5:24

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