java - org.hibernate.PropertyAccessException could not set a field value by reflection set<classname> -

i have following table

  @entity    @table(name="dim_labels") public class label implements serializable {     private static final long serialversionuid = 2449079370105300111l;     @id     @column(name = "tableid")     private int tableid;      @column(name = "id")     @id     @generatedvalue(strategy = generationtype.identity)     private long id; } 

which having composite primary key 1 filed being auto incremented when i'm trying insert record using hibernate i'm getting following error org.hibernate.propertyaccessexception