diff --git a/hawkbit-rest/hawkbit-ddi-resource/src/test/java/org/eclipse/hawkbit/ddi/rest/resource/DdiDeploymentBaseTest.java b/hawkbit-rest/hawkbit-ddi-resource/src/test/java/org/eclipse/hawkbit/ddi/rest/resource/DdiDeploymentBaseTest.java
index beff1b0a7..c276d759d 100644
--- a/hawkbit-rest/hawkbit-ddi-resource/src/test/java/org/eclipse/hawkbit/ddi/rest/resource/DdiDeploymentBaseTest.java
+++ b/hawkbit-rest/hawkbit-ddi-resource/src/test/java/org/eclipse/hawkbit/ddi/rest/resource/DdiDeploymentBaseTest.java
@@ -46,6 +46,7 @@
 import org.eclipse.hawkbit.repository.model.TargetUpdateStatus;
 import org.eclipse.hawkbit.repository.test.matcher.Expect;
 import org.eclipse.hawkbit.repository.test.matcher.ExpectEvents;
+import org.eclipse.hawkbit.rest.exception.MessageNotReadableException;
 import org.eclipse.hawkbit.rest.util.JsonBuilder;
 import org.eclipse.hawkbit.rest.util.MockMvcResultPrinter;
 import org.junit.Test;
@@ -773,7 +774,9 @@ public void missingResultAttributeInFeedbackReturnsBadRequest() throws Exception
         final String missingResultInFeedback = JsonBuilder.missingResultInFeedback(action.getId().toString(), "closed",
                 "test");
         postFeedback(MediaType.APPLICATION_JSON, "1080", action.getId(), missingResultInFeedback,
-                status().isBadRequest());
+                status().isBadRequest())
+                .andExpect(jsonPath("$.*", hasSize(3)))
+                .andExpect(jsonPath("$.exceptionClass", equalTo(MessageNotReadableException.class.getCanonicalName())));
     }
 
     @Test
@@ -794,7 +797,9 @@ public void missingFinishedAttributeInFeedbackReturnsBadRequest() throws Excepti
         final String missingFinishedResultInFeedback = JsonBuilder
                 .missingFinishedResultInFeedback(action.getId().toString(), "closed", "test");
         postFeedback(MediaType.APPLICATION_JSON, "1080", action.getId(), missingFinishedResultInFeedback,
-                status().isBadRequest());
+                status().isBadRequest())
+                .andExpect(jsonPath("$.*", hasSize(3)))
+                .andExpect(jsonPath("$.exceptionClass", equalTo(MessageNotReadableException.class.getCanonicalName())));
     }
 
     private void assertActionStatusCount(final int actionStatusCount, final int minActionStatusCountInPage) {
@@ -829,14 +834,14 @@ private ResultActions performGet(final String url, final MediaType mediaType, fi
                 .andExpect(content().contentTypeCompatibleWith(mediaType));
     }
 
-    private void postFeedback(final MediaType mediaType, final String controllerId, final Long id, final String content,
+    private ResultActions postFeedback(final MediaType mediaType, final String controllerId, final Long id, final String content,
             final ResultMatcher statusMatcher) throws Exception {
-        postFeedback(mediaType, controllerId, id, content.getBytes(), statusMatcher);
+        return postFeedback(mediaType, controllerId, id, content.getBytes(), statusMatcher);
     }
 
-    private void postFeedback(final MediaType mediaType, final String controllerId, final Long id, final byte[] content,
+    private ResultActions postFeedback(final MediaType mediaType, final String controllerId, final Long id, final byte[] content,
             final ResultMatcher statusMatcher) throws Exception {
-        mvc.perform(post(DEPLOYMENT_BASE + id + "/feedback", tenantAware.getCurrentTenant(), controllerId)
+        return mvc.perform(post(DEPLOYMENT_BASE + id + "/feedback", tenantAware.getCurrentTenant(), controllerId)
                 .content(content).contentType(mediaType).accept(mediaType)).andDo(MockMvcResultPrinter.print())
                 .andExpect(statusMatcher);
     }
diff --git a/hawkbit-rest/hawkbit-rest-core/src/main/java/org/eclipse/hawkbit/rest/exception/ResponseExceptionHandler.java b/hawkbit-rest/hawkbit-rest-core/src/main/java/org/eclipse/hawkbit/rest/exception/ResponseExceptionHandler.java
index a72e80920..7321fe33e 100644
--- a/hawkbit-rest/hawkbit-rest-core/src/main/java/org/eclipse/hawkbit/rest/exception/ResponseExceptionHandler.java
+++ b/hawkbit-rest/hawkbit-rest-core/src/main/java/org/eclipse/hawkbit/rest/exception/ResponseExceptionHandler.java
@@ -26,6 +26,7 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.converter.HttpMessageNotReadableException;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.multipart.MultipartException;
@@ -112,9 +113,10 @@ public ResponseEntity<ExceptionInfo> handleSpServerRtExceptions(final HttpServle
     }
 
     /**
-     * Method for handling exception of type HttpMessageNotReadableException
-     * which is thrown in case the request body is not well formed and cannot be
-     * deserialized. Called by the Spring-Framework for exception handling.
+     * Method for handling exception of type HttpMessageNotReadableException and
+     * MethodArgumentNotValidException which are thrown in case the request body is
+     * not well formed (e.g. syntax failures, missing/invalid parameters) and cannot
+     * be deserialized. Called by the Spring-Framework for exception handling.
      *
      * @param request
      *            the Http request
@@ -123,8 +125,8 @@ public ResponseEntity<ExceptionInfo> handleSpServerRtExceptions(final HttpServle
      * @return the entity to be responded containing the exception information
      *         as entity.
      */
-    @ExceptionHandler(HttpMessageNotReadableException.class)
-    public ResponseEntity<ExceptionInfo> handleHttpMessageNotReadableException(final HttpServletRequest request,
+    @ExceptionHandler({HttpMessageNotReadableException.class, MethodArgumentNotValidException.class})
+    public ResponseEntity<ExceptionInfo> handleExceptionCausedByIncorrectRequestBody(final HttpServletRequest request,
             final Exception ex) {
         logRequest(request, ex);
         final ExceptionInfo response = createExceptionInfo(new MessageNotReadableException());