springboot删除角色

Question

Springboot, 删除角色功能，代码

```java
-------systemRoleController 中删相关代码
  @DeleteMapping("{id}")
    @RequiresPermissions("system:role:deleteById")

    public Result deleteById(@PathVariable Integer id) {
       return Result.success(systemRoleService.deleteById(id));
    }
------systemRoleService 删除角色相关代码
 @Transactional
     public Result deleteById(Integer id) {
     if (systemAdminRoleService.checkRoleIsUse(id)) {
     return Result.fail(ResultCode.FAIL, "角色已被使用,无法删除");
     }
         try{
             //删除角色
             //super.deleteById(id);
             this.removeById(id); // 删除角色
             //删除角色关联的菜单
             systemRoleMenuService.deleteByRoleId(id);
             //删除角色用户关联的信息
             systemAdminRoleService.deleteByAdminId(id);
             return Result.success(ResultCode.SUCCESS,"删除角色成功");
         }catch (Exception e){
             logger.error("删除角色异常",e);
             throw new BusinessException(new ResultCode(ResultCode.FAIL,"删除角色异常"));
         }
-------systemRoleMapper.Java 删除角色相关代码
int deleteById(Integer id);
------systemRoleMapper.xml 删除角色相关代码
</select>
    <delete id="deleteById" parameterType="Integer">
        delete from system_role where id = #{id}   
    </delete>
------systemRoleMenusService 删除角色相关代码
 public int deleteByRoleId(Integer roleId) {
        LambdaQueryWrapper queryWrapper = Wrappers.lambdaQuery(SystemRoleMenu.class)
                .eq(SystemRoleMenu::getRoleId, roleId);
        return baseMapper.delete(queryWrapper);
    }
------systemRoleMenusMapper.java删除角色相关代码int deleteByRoleId(Integer roleId);
------systemRoleMenusMapper.xml 删除角色相关代码
 <delete id="deleteByRoleId" parameterType="Int">
        delete from system_role_menu where role_id=#{roleId}
    </delete>

------SystemAdminRoleMapper.java删除角色相关代码int deleteByAdminId(Integer adminId);
------SystemAdminRoleMapper.xml 删除角色相关代码
 <delete id="deleteByAdminId" parameterType="Integer">
        delete from system_admin_role where admin_id=#{adminId}
    </delete>

###### 程序正常启动，选中角色，点击确认删除，提示系统异常，网页端提示200，删除请求正常。 后台提示：

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/312052424866150.png "#left")

求教，哪里错误，应该怎么改的。

Answer 1