fix

themis-business/src/main/java/com/qmth/themis/business/service/impl/TOeExamRecordServiceImpl.java

@@ -307,12 +307,15 @@ public class TOeExamRecordServiceImpl extends ServiceImpl<TOeExamRecordMapper, T
         try {
             dfile.mkdirs();
             String structFilePath = sdf.format(new Date()) + "/" + uuid() + ".json";
-
+            ExamStudentPaperStructCacheBean struct = (ExamStudentPaperStructCacheBean) redisUtil.get(RedisKeyHelper.studentPaperStructKey(recordId));
+            
             //保存考试记录
             Map<String, Object> record = redisUtil.getHashEntries(RedisKeyHelper.examRecordCacheKey(recordId));
             TOeExamRecord er = SimpleBeanUtil.mapToObject(record, TOeExamRecord.class);
             er.setStatus(ExamRecordStatusEnum.PERSISTED);
-            er.setPaperStructPath(structFilePath);
+            if (struct != null) {
+            	er.setPaperStructPath(structFilePath);
+            }
             er.setPaperStructUpload(1);
             saveOrUpdate(er);
             //保存作答
@@ -330,7 +333,6 @@ public class TOeExamRecordServiceImpl extends ServiceImpl<TOeExamRecordMapper, T
 //            BeanUtils.copyProperties(examStudentCache, examStudent);
 //            examStudentService.saveOrUpdate(examStudent);
             //上传个人试卷结构
-            ExamStudentPaperStructCacheBean struct = (ExamStudentPaperStructCacheBean) redisUtil.get(RedisKeyHelper.studentPaperStructKey(recordId));
             if (struct != null) {
                 File structFile = new File(dir + "struct.json");
                 FileUtil.saveAsFile(structFile.getAbsolutePath(), struct.getContent());