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fasterxml.jackson.databind 無效定義異常

fasterxml.jackson.databind 無效定義異常

慕絲7291255 2023-11-01 21:41:15
我正在嘗試使用我定義為端點的 URL 執行發布請求??刂破鞔a: import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.CrossOrigin;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.PostMapping;import org.springframework.web.bind.annotation.RequestBody;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import com.abc.datacollection.Constants;import com.abc.datacollection.dao.UserClickDataRepository;import com.abc.datacollection.entity.UserClickData;import com.abc.datacollection.entity.UserClickProjection;import com.abc.datacollection.entity.UserClickProjection2;@Controller    @RequestMapping(path="/user_click_data") public class UserClickDataController {    @Autowired     private UserClickDataRepository userClickDataRepository;    /**     * this method adds user click data records into user_click_data table     * @param searchHisObj     * @return     */    @CrossOrigin(origins = "*")    @PostMapping(path="/add", consumes = "application/json", produces = "application/json") // Map ONLY POST Requests    public @ResponseBody String addUserClickDataRecord (@RequestBody List<UserClickData> searchHisObj) {        userClickDataRepository.saveAll(searchHisObj);        System.out.println("saved click data:"+searchHisObj);        return Constants.STATUS_OK;    }    /** * this method fetches all user click data records from user_click_data table * @return */@CrossOrigin(origins = "*")@GetMapping(path="/all")public @ResponseBody List<UserClickProjection> getAllUserClickDataRecords() {    return userClickDataRepository.findAllProjectedBy();}@CrossOrigin(origins = "*")@GetMapping(path="/allsecond")public @ResponseBody List<UserClickProjection2> getAllUserClickDataRecords2() {    return userClickDataRepository.findAllProjectedBy2();}}
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幕布斯7119047

TA貢獻1794條經驗 獲得超8個贊

在類中聲明一個默認構造函數。


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