Merge pull request #3524 from kliushnichenko/docs/validation-filter-notice

validation filter note

Author: jknack

docs/asciidoc/modules/avaje-validator.adoc

@@ -167,6 +167,13 @@ import io.jooby.validation.BeanValidator
 }
 ----
 
+[IMPORTANT]
+====
+Please note, if you are mixing both approaches (MVC/scripts), it's better to avoid using a filter,
+as it may lead to double validation on MVC routes. In this case,
+it's recommended to use the handler version (see below).
+====
+
 `BeanValidator.validate()` behaves identically to validation in MVC routes.
 It also supports validating list, array, and map of beans.
 

docs/asciidoc/modules/hibernate-validator.adoc

@@ -130,6 +130,13 @@ import io.jooby.validation.BeanValidator
 }
 ----
 
+[IMPORTANT]
+====
+Please note, if you are mixing both approaches (MVC/scripts), it's better to avoid using a filter,
+as it may lead to double validation on MVC routes. In this case,
+it's recommended to use the handler version (see below).
+====
+
 `BeanValidator.validate()` behaves identically to validation in MVC routes.
 It also supports validating list, array, and map of beans