How to fix Service Temporarily Unavailable (Error 503) in Magento
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magetop viết ngày 13/12/2019

If you are a Magento user, you may have seen error 503 – Service Temporarily Unavailable. And you don’t know how to fix this issue. In this post, I will show you how to fix it.
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First, you have to learn about this error.

Error 503 code – Service Temporarily Unavailable is the server cannot handle the request (because it is overloaded or down for maintenance). Generally, this is a temporary state. It is one of the common errors while setting the Magento store.

So, why does it occur?

During the installation of Magento, it creates a file maintenance.flag. If the file still exists, the system will display an error 503 – Service Temporarily Unavailable. It will automatically delete that file after processing. But sometimes, it wasn’t deleted.

Disable the maintenance mode:

  • Go to Magento root folder and delete var/.maintenance.flag.
  • Fresh Magento 2 cache: php bin/magento cache:flush or via the Admin Panel.
  • If you see a message saying: “Exception printing is disabled by default for security reasons.” on the error log.
  • And if have an error “Please Upgrade your database”, run php bin/magento setup:upgrade from the root directory.

*/ Note: Magento 1 maintenance mode file is different from Magento 2 maintenance mode file. Magento 1: delete maintenance.flag file from Magento root folder and Magento 2: delete .maintenance.flag file from the folder [Magento root folder]/var.

Source :

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