javax.validation.ValidationException: A group has to be an interface. <> is not.

Hibernate JIRA | Vladislav Pernin | 6 years ago
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.

    Root Cause Analysis

    1. javax.validation.ValidationException

      A group has to be an interface. <> is not.

      at org.hibernate.validator.engine.groups.GroupChainGenerator.getGroupChainFor()
    2. Embedded GlassFish Web
      1. org.hibernate.validator.engine.groups.GroupChainGenerator.getGroupChainFor(
      1 frame
    3. Vaadin
      1. org.hibernate.validator.engine.ValidatorImpl.determineGroupExecutionOrder(
      2. org.hibernate.validator.engine.ValidatorImpl.validate(
      2 frames