Merge branch 'dev_v2.2.0' of http://git.qmth.com.cn/wangliang/distributed-print-service into dev_v2.2.0

distributed-print-business/src/main/java/com/qmth/distributed/print/business/service/impl/ExamTaskServiceImpl.java

@@ -1763,6 +1763,9 @@ public class ExamTaskServiceImpl extends ServiceImpl<ExamTaskMapper, ExamTask> i
         printPlanStatusEnumList.add(PrintPlanStatusEnum.PRINTING);
         printPlanStatusEnumList.add(PrintPlanStatusEnum.PRINT_FINISH);
         List<ExamPackageDetail> examPackageDetailDatasource = this.baseMapper.findExamPackageDetailByPaperNumber(schoolId,examTask.getCourseCode(),paperNumber, printPlanStatusEnumList);
+        if (examPackageDetailDatasource.size() == 0){
+            throw ExceptionResultEnum.ERROR.exception("任务处理中，请稍后查看！");
+        }
         for (ExamPackageDetail packageDetail : examPackageDetailDatasource) {
             ExamDetailStatusEnum examDetailStatusEnum = packageDetail.getExamDetailStatus();
             if(ExamDetailStatusEnum.NEW.equals(examDetailStatusEnum) || ExamDetailStatusEnum.READY.equals(examDetailStatusEnum)){