minor #35472 [Security] Improved error message when no supported user…

… provider is found (wouterj)

This PR was submitted for the 4.4 branch but it was merged into the 3.4 branch instead.

Discussion
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[Security] Improved error message when no supported user provider is found

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #35435
| License       | MIT
| Doc PR        | -

Commits
-------

6b2db6d Improved error message when no supported user provider is found

src/Symfony/Component/Security/Core/User/ChainUserProvider.php

@@ -91,7 +91,7 @@ public function refreshUser(UserInterface $user)
             $e->setUsername($user->getUsername());
             throw $e;
         } else {
-            throw new UnsupportedUserException(sprintf('The account "%s" is not supported.', \get_class($user)));
+            throw new UnsupportedUserException(sprintf('There is no user provider for user "%s". Shouldn\'t the "supportsClass()" method of your user provider return true for this classname?', \get_class($user)));
         }
     }
 

src/Symfony/Component/Security/Http/Firewall/ContextListener.php

@@ -238,7 +238,7 @@ protected function refreshUser(TokenInterface $token)
             return null;
         }
 
-        throw new \RuntimeException(sprintf('There is no user provider for user "%s".', $userClass));
+        throw new \RuntimeException(sprintf('There is no user provider for user "%s". Shouldn\'t the "supportsClass()" method of your user provider return true for this classname?', $userClass));
     }
 
     private function safelyUnserialize($serializedToken)

src/Symfony/Component/Security/Http/RememberMe/AbstractRememberMeServices.php

@@ -239,7 +239,7 @@ final protected function getUserProvider($class)
             }
         }
 
-        throw new UnsupportedUserException(sprintf('There is no user provider that supports class "%s".', $class));
+        throw new UnsupportedUserException(sprintf('There is no user provider for user "%s". Shouldn\'t the "supportsClass()" method of your user provider return true for this classname?', $class));
     }
 
     /**