diff --git a/api/aop/AspectKernel.php b/api/aop/AspectKernel.php
index fc30542..bd03dc3 100644
--- a/api/aop/AspectKernel.php
+++ b/api/aop/AspectKernel.php
@@ -2,12 +2,15 @@
 namespace api\aop;
 
 use api\aop\aspects;
+use Doctrine\Common\Annotations\AnnotationReader;
 use Go\Core\AspectContainer;
 use Go\Core\AspectKernel as BaseAspectKernel;
 
 class AspectKernel extends BaseAspectKernel {
 
     protected function configureAop(AspectContainer $container): void {
+        AnnotationReader::addGlobalIgnoredName('url');
+
         $container->registerAspect(new aspects\MockDataAspect());
         $container->registerAspect(new aspects\CollectMetricsAspect());
     }
diff --git a/api/models/OauthProcess.php b/api/models/OauthProcess.php
index 5d50582..bfc6021 100644
--- a/api/models/OauthProcess.php
+++ b/api/models/OauthProcess.php
@@ -126,8 +126,8 @@ class OauthProcess {
     /**
      * Метод выполняется сервером приложения, которому был выдан auth_token или refresh_token.
      *
-     * Входными данными является стандартный список GET параметров по стандарту oAuth:
-     * $_GET = [
+     * Входными данными является стандартный список POST параметров по стандарту oAuth:
+     * $_POST = [
      *     client_id,
      *     client_secret,
      *     redirect_uri,
@@ -135,7 +135,7 @@ class OauthProcess {
      *     grant_type,
      * ]
      * для запроса grant_type = authentication_code.
-     * $_GET = [
+     * $_POST = [
      *     client_id,
      *     client_secret,
      *     refresh_token,
@@ -145,12 +145,15 @@ class OauthProcess {
      * @return array
      */
     public function getToken(): array {
+        $grantType = Yii::$app->request->post('grant_type', 'null');
         try {
-            Yii::$app->statsd->inc('oauth.issueToken.attempt');
+            Yii::$app->statsd->inc("oauth.issueToken_{$grantType}.attempt");
             $response = $this->server->issueAccessToken();
-            Yii::$app->statsd->inc('oauth.issueToken.success');
+            $clientId = Yii::$app->request->post('client_id');
+            Yii::$app->statsd->inc("oauth.issueToken_client.{$clientId}");
+            Yii::$app->statsd->inc("oauth.issueToken_{$grantType}.success");
         } catch (OAuthException $e) {
-            Yii::$app->statsd->inc('oauth.issueToken.fail');
+            Yii::$app->statsd->inc("oauth.issueToken_{$grantType}.fail");
             Yii::$app->response->statusCode = $e->httpStatusCode;
             $response = [
                 'error' => $e->errorType,
diff --git a/api/modules/authserver/exceptions/IllegalArgumentException.php b/api/modules/authserver/exceptions/IllegalArgumentException.php
index 11adfa6..898daee 100644
--- a/api/modules/authserver/exceptions/IllegalArgumentException.php
+++ b/api/modules/authserver/exceptions/IllegalArgumentException.php
@@ -3,8 +3,8 @@ namespace api\modules\authserver\exceptions;
 
 class IllegalArgumentException extends AuthserverException {
 
-    public function __construct($status = null, $message = null, $code = 0, \Exception $previous = null) {
-        parent::__construct(400, 'credentials can not be null.', $code, $previous);
+    public function __construct($message = 'credentials can not be null.') {
+        parent::__construct(400, $message);
     }
 
 }
diff --git a/api/modules/authserver/models/AuthenticationForm.php b/api/modules/authserver/models/AuthenticationForm.php
index aab29bd..b8c8921 100644
--- a/api/modules/authserver/models/AuthenticationForm.php
+++ b/api/modules/authserver/models/AuthenticationForm.php
@@ -5,6 +5,7 @@ use api\models\authentication\LoginForm;
 use api\models\base\ApiForm;
 use api\modules\authserver\exceptions\ForbiddenOperationException;
 use api\modules\authserver\Module as Authserver;
+use api\modules\authserver\validators\ClientTokenValidator;
 use api\modules\authserver\validators\RequiredValidator;
 use common\helpers\Error as E;
 use common\models\Account;
@@ -19,6 +20,7 @@ class AuthenticationForm extends ApiForm {
     public function rules() {
         return [
             [['username', 'password', 'clientToken'], RequiredValidator::class],
+            [['clientToken'], ClientTokenValidator::class],
         ];
     }
 
diff --git a/api/modules/authserver/validators/ClientTokenValidator.php b/api/modules/authserver/validators/ClientTokenValidator.php
new file mode 100644
index 0000000..8825b8f
--- /dev/null
+++ b/api/modules/authserver/validators/ClientTokenValidator.php
@@ -0,0 +1,25 @@
+<?php
+namespace api\modules\authserver\validators;
+
+use api\modules\authserver\exceptions\IllegalArgumentException;
+
+/**
+ * Максимальная длина clientToken для нашей базы данных составляет 255.
+ * После этого мы не принимаем указанный токен
+ */
+class ClientTokenValidator extends \yii\validators\RequiredValidator {
+
+    /**
+     * @param string $value
+     * @return null
+     * @throws \api\modules\authserver\exceptions\AuthserverException
+     */
+    protected function validateValue($value) {
+        if (mb_strlen($value) > 255) {
+            throw new IllegalArgumentException('clientToken is too long.');
+        }
+
+        return null;
+    }
+
+}
diff --git a/api/modules/session/models/JoinForm.php b/api/modules/session/models/JoinForm.php
index f53d7f5..8b47053 100644
--- a/api/modules/session/models/JoinForm.php
+++ b/api/modules/session/models/JoinForm.php
@@ -53,7 +53,7 @@ class JoinForm extends Model {
         $serverId = $this->serverId;
         $accessToken = $this->accessToken;
         Session::info("User with access_token = '{$accessToken}' trying join to server with server_id = '{$serverId}'.");
-        Yii::$app->statsd->inc('sessionserver.join.attempts');
+        Yii::$app->statsd->inc('sessionserver.join.attempt');
         if (!$this->validate()) {
             return false;
         }
diff --git a/common/config/config.php b/common/config/config.php
index b258bb4..4e9e107 100644
--- a/common/config/config.php
+++ b/common/config/config.php
@@ -1,6 +1,6 @@
 <?php
 return [
-    'version' => '1.1.22',
+    'version' => '1.1.23',
     'vendorPath' => dirname(__DIR__, 2) . '/vendor',
     'components' => [
         'cache' => [
diff --git a/common/tasks/SendCurrentEmailConfirmation.php b/common/tasks/SendCurrentEmailConfirmation.php
index 55e96ef..fe0285e 100644
--- a/common/tasks/SendCurrentEmailConfirmation.php
+++ b/common/tasks/SendCurrentEmailConfirmation.php
@@ -5,6 +5,7 @@ namespace common\tasks;
 use common\emails\EmailHelper;
 use common\emails\templates\ChangeEmailConfirmCurrentEmail;
 use common\models\confirmations\CurrentEmailConfirmation;
+use Yii;
 use yii\queue\RetryableJobInterface;
 
 class SendCurrentEmailConfirmation implements RetryableJobInterface {
@@ -36,6 +37,7 @@ class SendCurrentEmailConfirmation implements RetryableJobInterface {
      * @param \yii\queue\Queue $queue
      */
     public function execute($queue) {
+        Yii::$app->statsd->inc('queue.sendCurrentEmailConfirmation.attempt');
         $to = EmailHelper::buildTo($this->username, $this->email);
         $template = new ChangeEmailConfirmCurrentEmail($to, $this->code);
         $template->send();
diff --git a/common/tasks/SendNewEmailConfirmation.php b/common/tasks/SendNewEmailConfirmation.php
index 25d4edc..da034ff 100644
--- a/common/tasks/SendNewEmailConfirmation.php
+++ b/common/tasks/SendNewEmailConfirmation.php
@@ -5,6 +5,7 @@ namespace common\tasks;
 use common\emails\EmailHelper;
 use common\emails\templates\ChangeEmailConfirmNewEmail;
 use common\models\confirmations\NewEmailConfirmation;
+use Yii;
 use yii\queue\RetryableJobInterface;
 
 class SendNewEmailConfirmation implements RetryableJobInterface {
@@ -36,6 +37,7 @@ class SendNewEmailConfirmation implements RetryableJobInterface {
      * @param \yii\queue\Queue $queue
      */
     public function execute($queue) {
+        Yii::$app->statsd->inc('queue.sendNewEmailConfirmation.attempt');
         $to = EmailHelper::buildTo($this->username, $this->email);
         $template = new ChangeEmailConfirmNewEmail($to, $this->username, $this->code);
         $template->send();
diff --git a/common/tasks/SendPasswordRecoveryEmail.php b/common/tasks/SendPasswordRecoveryEmail.php
index 394ab75..0dba85b 100644
--- a/common/tasks/SendPasswordRecoveryEmail.php
+++ b/common/tasks/SendPasswordRecoveryEmail.php
@@ -47,6 +47,7 @@ class SendPasswordRecoveryEmail implements RetryableJobInterface {
      * @throws \common\emails\exceptions\CannotSendEmailException
      */
     public function execute($queue) {
+        Yii::$app->statsd->inc('queue.sendPasswordRecovery.attempt');
         $params = new ForgotPasswordParams($this->username, $this->code, $this->link);
         $to = EmailHelper::buildTo($this->username, $this->email);
         $template = new ForgotPasswordEmail($to, $this->locale, $params);
diff --git a/common/tasks/SendRegistrationEmail.php b/common/tasks/SendRegistrationEmail.php
index f6aebc5..a960e96 100644
--- a/common/tasks/SendRegistrationEmail.php
+++ b/common/tasks/SendRegistrationEmail.php
@@ -47,6 +47,7 @@ class SendRegistrationEmail implements RetryableJobInterface {
      * @throws \common\emails\exceptions\CannotSendEmailException
      */
     public function execute($queue) {
+        Yii::$app->statsd->inc('queue.sendRegistrationEmail.attempt');
         $params = new RegistrationEmailParams($this->username, $this->code, $this->link);
         $to = EmailHelper::buildTo($this->username, $this->email);
         $template = new RegistrationEmail($to, $this->locale, $params);
diff --git a/console/migrations/m180102_164624_increase_minecraft_access_keys_client_token_length.php b/console/migrations/m180102_164624_increase_minecraft_access_keys_client_token_length.php
new file mode 100644
index 0000000..56c3fbd
--- /dev/null
+++ b/console/migrations/m180102_164624_increase_minecraft_access_keys_client_token_length.php
@@ -0,0 +1,15 @@
+<?php
+
+use console\db\Migration;
+
+class m180102_164624_increase_minecraft_access_keys_client_token_length extends Migration {
+
+    public function safeUp() {
+        $this->alterColumn('{{%minecraft_access_keys}}', 'client_token', $this->string()->notNull());
+    }
+
+    public function safeDown() {
+        $this->alterColumn('{{%minecraft_access_keys}}', 'client_token', $this->string(36)->notNull());
+    }
+
+}
diff --git a/tests/codeception/api/functional/authserver/AuthorizationCest.php b/tests/codeception/api/functional/authserver/AuthorizationCest.php
index 626adb6..2b17c1e 100644
--- a/tests/codeception/api/functional/authserver/AuthorizationCest.php
+++ b/tests/codeception/api/functional/authserver/AuthorizationCest.php
@@ -75,6 +75,31 @@ class AuthorizationCest {
         $this->testSuccessResponse($I);
     }
 
+    public function longClientToken(FunctionalTester $I) {
+        $I->wantTo('send non uuid clientToken, but less then 255 characters');
+        $this->route->authenticate([
+            'username' => 'admin@ely.by',
+            'password' => 'password_0',
+            'clientToken' => str_pad('', 255, 'x'),
+        ]);
+        $this->testSuccessResponse($I);
+    }
+
+    public function tooLongClientToken(FunctionalTester $I) {
+        $I->wantTo('send non uuid clientToken with more then 255 characters length');
+        $this->route->authenticate([
+            'username' => 'admin@ely.by',
+            'password' => 'password_0',
+            'clientToken' => str_pad('', 256, 'x'),
+        ]);
+        $I->canSeeResponseCodeIs(400);
+        $I->canSeeResponseIsJson();
+        $I->canSeeResponseContainsJson([
+            'error' => 'IllegalArgumentException',
+            'errorMessage' => 'clientToken is too long.',
+        ]);
+    }
+
     public function wrongArguments(FunctionalTester $I) {
         $I->wantTo('get error on wrong amount of arguments');
         $this->route->authenticate([