我在嘗試通過 Swagger 發(fā)布請求時收到以下錯誤。當我通過郵遞員這樣做時，這很好。我使用的是彈簧靴版本 = “2.1.0.發(fā)布”， 搖擺版本 = '2.9.2'。這是我的 Json 映射類。數(shù)據(jù)導(dǎo)出.java@XmlRootElement(name = "DataExport")public class DataExport{  @JsonProperty("engineName")  private String engineName;  @JsonProperty("searchQuery")  private String searchQuery;  public DataExport()  {    super();  }  public DataExport(String aEngineName, String aSearchQuery)  {    super();    this.engineName = aEngineName;    this.searchQuery = aSearchQuery;  }RestController.java@RequestMapping(value = "/export", method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.TEXT_PLAIN_VALUE)  @ApiOperation(authorizations = {      @Authorization(value = "oauth") }, value = "Initiates the job for export", response = String.class)  @ApiResponses({ @ApiResponse(code = 200, message = "Request accepted."),      @ApiResponse(code = 500, message = "The export could not be started due to an internal server error.") })  public String getJobId(@RequestBody DataExport aDataExport, HttpServletResponse aResponse,      @Value("${com.xyz.dataexportmodule.defaultfilelocation}") final String aLocation)      throws Exception  {    LOG.info("Initializing export for Engine {} and Query {}", aDataExport.getEngineName(),        aDataExport.getSearchQuery());    String exportLocation = aLocation....我想傳遞這個 json { “引擎名稱”：“ABC”，“搜索查詢”：“*”}但是我得到這個錯誤：nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of `com.xyz.dataexportmodule.persistence.entity.DataExport` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('string') at [Source: (PushbackInputStream); line: 1, column: 1]]我無法弄清楚問題所在，有人請幫忙。