@Test
public void testToString() throws Exception {

  final Class<?> clazz = Integer.class;
  final Field clazzField = Integer.class.getDeclaredFields()[0];
  assertNotNull(clazzField);
  final JBBPMapperException ex = new JBBPMapperException(this.message, this.field, clazz, clazzField, this.cause);
  assertTrue(ex.toString().contains(clazzField.toString()));
}