springboot mytabis 事物回滚

@Transactional(rollbackFor=Exception.class)
    public R save(@RequestBody RoleEntity role){
       // roleService.save(role);
        try {
            roleService.testTra();
        }catch (Exception e){
            e.printStackTrace();
            TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
            return R.error();
        }
        return R.ok();

    }