diff --git a/lib/internal/Magento/Framework/Communication/Config/Validator.php b/lib/internal/Magento/Framework/Communication/Config/Validator.php
index 5e2687c3b08c1..76ef1b85b63eb 100644
--- a/lib/internal/Magento/Framework/Communication/Config/Validator.php
+++ b/lib/internal/Magento/Framework/Communication/Config/Validator.php
@@ -38,6 +38,8 @@ public function __construct(
     }
 
     /**
+     * Validate response schema definition for topic
+     *
      * @param string $responseSchema
      * @param string $topicName
      * @return void
@@ -46,6 +48,12 @@ public function validateResponseSchemaType($responseSchema, $topicName)
     {
         try {
             $this->validateType($responseSchema);
+        } catch (\InvalidArgumentException $e) {
+            throw new \LogicException(
+                'Response schema definition has service class with wrong annotated methods',
+                $e->getCode(),
+                $e
+            );
         } catch (\Exception $e) {
             throw new \LogicException(
                 sprintf(
@@ -59,6 +67,8 @@ public function validateResponseSchemaType($responseSchema, $topicName)
     }
 
     /**
+     * Validate request schema definition for topic
+     *
      * @param string $requestSchema
      * @param string $topicName
      * @return void
@@ -67,6 +77,12 @@ public function validateRequestSchemaType($requestSchema, $topicName)
     {
         try {
             $this->validateType($requestSchema);
+        } catch (\InvalidArgumentException $e) {
+            throw new \LogicException(
+                'Request schema definition has service class with wrong annotated methods',
+                $e->getCode(),
+                $e
+            );
         } catch (\Exception $e) {
             throw new \LogicException(
                 sprintf(
@@ -80,6 +96,8 @@ public function validateRequestSchemaType($requestSchema, $topicName)
     }
 
     /**
+     * Validate service method specified in the definition of handler
+     *
      * @param string $serviceName
      * @param string $methodName
      * @param string $handlerName
@@ -109,6 +127,7 @@ public function validateResponseHandlersType($serviceName, $methodName, $handler
      * @param string $typeName
      * @return $this
      * @throws \Exception In case when type is invalid
+     * @throws \InvalidArgumentException if methods don't have annotation
      */
     protected function validateType($typeName)
     {
diff --git a/lib/internal/Magento/Framework/Reflection/MethodsMap.php b/lib/internal/Magento/Framework/Reflection/MethodsMap.php
index 944cd8771ee33..6b0ddfbfc2127 100644
--- a/lib/internal/Magento/Framework/Reflection/MethodsMap.php
+++ b/lib/internal/Magento/Framework/Reflection/MethodsMap.php
@@ -94,6 +94,8 @@ public function getMethodReturnType($typeName, $methodName)
      *  'validatePassword' => 'boolean'
      * ]
      * </pre>
+     * @throws \InvalidArgumentException if methods don't have annotation
+     * @throws \ReflectionException for missing DocBock or invalid reflection class
      */
     public function getMethodsMap($interfaceName)
     {
@@ -148,6 +150,8 @@ public function getMethodParams($serviceClassName, $serviceMethodName)
      *
      * @param string $interfaceName
      * @return array
+     * @throws \ReflectionException for missing DocBock or invalid reflection class
+     * @throws \InvalidArgumentException if methods don't have annotation
      */
     private function getMethodMapViaReflection($interfaceName)
     {
diff --git a/lib/internal/Magento/Framework/Test/Unit/Communication/Config/ValidatorTest.php b/lib/internal/Magento/Framework/Test/Unit/Communication/Config/ValidatorTest.php
new file mode 100644
index 0000000000000..55410af176af0
--- /dev/null
+++ b/lib/internal/Magento/Framework/Test/Unit/Communication/Config/ValidatorTest.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Framework\Test\Unit\Communication\Config;
+
+use Magento\Framework\Communication\Config\Validator;
+use Magento\Framework\Reflection\MethodsMap;
+use Magento\Framework\Reflection\TypeProcessor;
+
+/**
+ * Unit test for \Magento\Framework\Communication\Config\Validator class
+ */
+class ValidatorTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @var TypeProcessor|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $typeProcessor;
+
+    /**
+     * @var MethodsMap|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $methodsMap;
+
+    public function setUp()
+    {
+        $this->methodsMap = $this->createMock(MethodsMap::class);
+
+        $this->methodsMap->expects(static::any())
+            ->method('getMethodsMap')
+            ->will($this->throwException(new \InvalidArgumentException('message', 333)));
+
+        $this->typeProcessor = $this->createMock(TypeProcessor::class);
+        $this->typeProcessor->expects(static::any())
+            ->method('isTypeSimple')
+            ->willReturn(false);
+
+        $this->typeProcessor->expects(static::any())
+            ->method('isTypeSimple')
+            ->willReturn(false);
+    }
+
+    /**
+     * @expectedException  \LogicException
+     * @expectedExceptionCode 333
+     * @expectedExceptionMessage Response schema definition has service class with wrong annotated methods
+     */
+    public function testValidateResponseSchemaType()
+    {
+        /** @var Validator $validator */
+        $validator = new Validator($this->typeProcessor, $this->methodsMap);
+        $validator->validateResponseSchemaType('123', '123');
+    }
+
+    /**
+     * @expectedException  \LogicException
+     * @expectedExceptionCode 333
+     * @expectedExceptionMessage Request schema definition has service class with wrong annotated methods
+     */
+    public function testValidateRequestSchemaType()
+    {
+        /** @var Validator $validator */
+        $validator = new Validator($this->typeProcessor, $this->methodsMap);
+        $validator->validateRequestSchemaType('123', '123');
+    }
+}