Once the activiti explorer starts the following exception appears
### Error querying database. Cause: org.apache.ibatis.reflection.ReflectionException: Could not set property 'pictureByteArrayRef' of 'org.activiti.engine.impl.persistence.entity.UserEntity@669bb1da' with value 'ByteArrayRef[id=user, name=null, entity=null]' Cause: org.apache.ibatis.reflection.ReflectionException: There is no setter for property named 'pictureByteArrayRef' in 'class org.activiti.engine.impl.persistence.entity.UserEntity'
### The error may involve org.activiti.engine.impl.persistence.entity.UserEntity.selectUserByQueryCriteria-Inline
### The error occurred while setting parameters
### Cause: org.apache.ibatis.reflection.ReflectionException: Could not set property 'pictureByteArrayRef' of 'org.activiti.engine.impl.persistence.entity.UserEntity@669bb1da' with value 'ByteArrayRef[id=user, name=null, entity=null]' Cause: org.apache.ibatis.reflection.ReflectionException: There is no setter for property named 'pictureByteArrayRef' in 'class org.activiti.engine.impl.persistence.entity.UserEntity'
com.vaadin.server.VaadinServlet.service(VaadinServlet.java:307)
com.mobinets.nep.workflow.client.servlet.ExplorerVaadinServlet.service(ExplorerVaadinServlet.java:59)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)