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I tried to following steps to upgrade from 2.1.8 to 2.2.1 as mentioned in linked question:

bin/magento maintenance:enable
composer require magento/product-community-edition 2.2.0 --no-update
composer update
rm -rf var/cache/*
rm -rf var/page_cache/*
rm -rf var/generation/*
chmod +x bin/magento
bin/magento setup:upgrade
bin/magento maintenance:disable

but received the following error:

The requested package magento/product-community-edition 2.2.1 exists as magento/product-community-edition[2.1.8] but these are rejected by your constraint.

I can't see 2.1.8 anywhere in my composer.json file, but still received this error. Please let me know where should I fix?

Updating my Composer.json file:

    {
        "name": "magento/project-community-edition",
        "description": "eCommerce Platform for Growth (Community Edition)",
        "type": "project",
        "version": "2.2.1",
        "license": [
            "OSL-3.0",
            "AFL-3.0"
        ],
        "require": {
            "magento/product-community-edition": "2.2.1",
            "composer/composer": "@alpha"
 },
    "require-dev": {
        "phpunit/phpunit": "4.1.0",
        "squizlabs/php_codesniffer": "1.5.3",
        "phpmd/phpmd": "@stable",
        "pdepend/pdepend": "2.4.0",
        "fabpot/php-cs-fixer": "~1.2",
        "lusitanian/oauth": "~0.3 <=0.7.0",
        "sebastian/phpcpd": "2.0.0"
    },
    "config": {
        "use-include-path": true
    },
    "autoload": {
        "psr-4": {
            "Magento\\Framework\\": "lib/internal/Magento/Framework/",
            "Magento\\Setup\\": "setup/src/Magento/Setup/",
            "Magento\\": "app/code/Magento/"
        },
        "psr-0": {
            "": "app/code/"
        },
        "files": [
            "app/etc/NonComposerComponentRegistration.php"
        ]
    },
    "autoload-dev": {
        "psr-4": {
            "Magento\\Sniffs\\": "dev/tests/static/framework/Magento/Sniffs/",
            "Magento\\Tools\\": "dev/tools/Magento/Tools/",
            "Magento\\Tools\\Sanity\\": "dev/build/publication/sanity/Magento/Tools/Sanity/",
            "Magento\\TestFramework\\Inspection\\": "dev/tests/static/framework/Magento/TestFramework/Inspection/",
            "Magento\\TestFramework\\Utility\\": "dev/tests/static/framework/Magento/TestFramework/Utility/"
        }
    },
    "minimum-stability": "alpha",

.......

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1 Answer 1

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Step 1: Access Your Server via SSH

You need to connect your server via SSH.

Step 2: Navigate to the Magento 2 Root Directory

Once your SSH connection is up, you will need to move to your target application folder. In that application folder, you will find the public_html folder which is the root directory of Magento 2.

Step 3: Upgrade Commands

composer require magento/product-community-edition 2.2 --no-update

Then execute this all commands

 composer update
 rm -rf var/di var/generation
 php bin/magento setup:upgrade
 php bin/magento setup:di:compile
 php bin/magento cache:clean
 php bin/magento cache:flush
 php bin/magento indexer:reindex
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  • Hi Rohan, My root folder is /var/www/html/magento and hosted in AWS. In step 3, after typing composer update I'm getting the error mentioned in my question. I could not see 2.1.8 in composer.json. Not sure how composer is picking 2.1.8.
    – Vaish
    Nov 17, 2017 at 8:34
  • 1
    After replacing my comoser.json and composer.lock files with magento 2.2.1 repository composer files, I successfully migrated Magento 2.2.1. Thanks for the help.
    – Vaish
    Nov 19, 2017 at 7:04
  • Happy to helping :) Happy Coding !!! Nov 20, 2017 at 4:10

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