json - Elastic Search -ndjson 上传文件问题

Question

此图像显示数据分析成功，但要导入的字段为空。

我目前正在使用 Elastic Search -Kibana，我尝试使用上传文件选项（注入您的数据）导入 ndjson 文件，正在分析数据，但要导入的字段为空。有人可以帮忙吗？

下面是我正在使用的 ndjson：

{"候选人":{"first_name":"Margaret","last_name":"Mcdonald","skills":["skLearn","Java","R","SQL","Spark","C++" ],"state":"AL","specialty":"Database","experience":"Mid","re​​location":"no"}} {"candidate":{"first_name":"Michael"," last_name":"Carter","skills":["TensorFlow","R","Spark","MongoDB","C++","SQL"],"state":"AR","specialty":"统计","经验":"高级","搬迁":"是"}} {"候选人":{"first_name":"布伦达","last_name":"Tyler","skills":["Spark"],"state":"UT","specialty":"Database","experience":"Mid","re​​location":"no"}} {"候选人":{"first_name":"Joseph","last_name":"King","skills":["skLearn","SQL","R","Spark","Java","C++" ,"Python","TensorFlow"],"state":"FL","specialty":"Machine Learning","experience":"Senior","re​​location":"maybe"}} {"candidate":{ "first_name":"Laura","last_name":"Webb","skills":["TensorFlow","C++","SQL","Java","R","MongoDB"],"state":"WY","specialty":"Machine Learning","experience":"Junior","re​​location":"maybe"}} {"candidate" :{"first_name":"Cheryl","last_name":"Ramirez","skills":["C++","Python","R","Java","skLearn","SQL","MongoDB" ,"Spark","TensorFlow"],"state":"OK","specialty":"Data Visualization","experience":"Mid","re​​location":"no"}} {"candidate":{ "first_name":"Charles","last_name":"Stewart","skills":["MongoDB","C++","Java","SQL","R","Python","skLearn"],"state":"NM","specialty":"Machine Learning","experience":"Mid","re​​location":"maybe"}} {"候选人":{"first_name":"Bradley","last_name":"Peterson","skills":["skLearn","MongoDB","Spark"],"state":"TX","specialty ":"数据可视化","经验":"高级","搬迁":"是"}} {"候选人":{"first_name":"William","last_name":"Lin","skills": ["Python","skLearn","R"],"state":"WI","specialty":"机器学习","经验":"中期","搬迁":"可能"}} {"候选人":{"first_name":"Richard","last_name":"Woods","skills":["skLearn","MongoDB" ],"state":"UT","specialty":"Database","experience":"Senior","re​​location":"yes"}}