数据映射显示报错

src/main/java/com/yihu/hos/crawler/controller/CrawlerController.java

@@ -17,6 +17,7 @@ import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@@ -135,12 +136,15 @@ public class CrawlerController {
        }
    }
    @RequestMapping("getRelations")
    @RequestMapping(value = "getRelations", produces = "text/html; charset=utf-8")
    @ResponseBody
    public String getRelations(
            @RequestParam(value = "versionId", required = true) Integer versionId,
            @RequestParam(value = "datasetIdStr", required = false) String datasetIdStr,
            @RequestParam(value = "lines", required = false) String lines) {
            @RequestParam(value = "lines", required = false) String lines,
            HttpServletResponse response) {
        response.setContentType("text/html;charset=UTF-8");
        try {
            return crawlerService.getRelations(versionId, datasetIdStr, lines);
        } catch (Exception e) {

src/main/webapp/WEB-INF/ehr/jsp/crawler/dataMappingJs.jsp

@@ -20,9 +20,9 @@
            dataType: "json",
            data:{versionId: "${versionId}",datasetIdStr:"${datasetIdStr}",lines:mappingData},
            success: function (data) {
                
                debugger
                if(data){
                    $('#main').tableViewer(JSON.parse(data))
                    $('#main').tableViewer(data)
                }
            }