Add freemind converted.

wise-webapp/src/main/java/com/wisemapping/rest/DebugMappingJacksonHttpMessageConverter.java

@@ -23,12 +23,15 @@ public class DebugMappingJacksonHttpMessageConverter extends MappingJacksonHttpM
         } catch (org.springframework.http.converter.HttpMessageNotReadableException e) {
             throw new HttpMessageNotReadableException("Request Body:\n" + new String(bytes, "UTF-8"), e);
         }
+        catch (IOException e) {
+            throw new HttpMessageNotReadableException("Request Body:\n" + new String(bytes, "UTF-8"), e);
+        }
     }
 }
 
 class HttpMessageNotReadableException extends org.springframework.http.converter.HttpMessageNotReadableException {
 
-    public HttpMessageNotReadableException(String msg, org.springframework.http.converter.HttpMessageNotReadableException cause) {
+    public HttpMessageNotReadableException(String msg, Exception cause) {
         super(msg, cause);
     }
 }

wise-webapp/src/main/java/com/wisemapping/rest/RestMvcConfiguration.java

@@ -17,6 +17,7 @@ public class RestMvcConfiguration extends WebMvcConfigurerAdapter {
     @Override
     public void configureMessageConverters(@NotNull final List<HttpMessageConverter<?>> converters) {
         converters.add(converter());
+        configureMessageConverters(converters);
     }
 
     @Bean