DefaultHandlerExceptionResolver : Failed to convert request element: org.springframework.web.method.

@Controller
@OperateAction("F_SOFT")
@RequestMapping(value = "/cm/soft/package")
public class PkgPackageFileManualController {

    //========== manager ==========

    @Autowired
    private PkgPackageFileManualOperateManager pkgPackageFileManualOperateManager;

    /**  
     * 处理导入文件信息
     *  @param CommonsMultipartFile[]
     *  @return BaseResultVO
     */
    @RequestMapping(method = RequestMethod.POST, value = "/importFile")
    @ResponseBody
    @OperateAction("O_PACKAGE_FILE_CREATE")
    public BaseResultVO importFile(@RequestParam("file") CommonsMultipartFile[] fileList) {

        return JsonResultUtil.getResult(pkgPackageFileManualOperateManager.importFile(fileList));
    }
}

修改入参为MultipartFile

@Controller
@OperateAction("F_SOFT")
@RequestMapping(value = "/cm/soft/package")
public class PkgPackageFileManualController {

    //========== manager ==========

    @Autowired
    private PkgPackageFileManualOperateManager pkgPackageFileManualOperateManager;

    /**  
     * 处理导入文件信息
     *  @param CommonsMultipartFile[]
     *  @return BaseResultVO
     */
    @RequestMapping(method = RequestMethod.POST, value = "/importFile")
    @ResponseBody
    @OperateAction("O_PACKAGE_FILE_CREATE")
    public BaseResultVO importFile(@RequestParam("file") MultipartFile[] fileList) {

        return JsonResultUtil.getResult(pkgPackageFileManualOperateManager.importFile(fileList));
    }
}