es java api 设置index mapping 报错 mapping source must be pairs of fieldnames and pr

java.lang.IllegalArgumentException: mapping source must be pairs of fieldnames and properties definition.

1,导包错误，需要导入client包下的api，直接解决问题

2. 如果导入的为过时的方法，不修复导包，则mapping 方法需要加_doc。
   从es官网找到的

request.mapping("_doc",
“{\n” +
" “_doc”: {\n" +
" “properties”: {\n" +
" “message”: {\n" +
" “type”: “text”\n" +
" }\n" +
" }\n" +
" }\n" +
“}”,
XContentType.JSON);
不生效并报错
查看源码，发现mapping的第二个参数，要求必须为 %2==0，改为
request.mapping("_doc", “datetime”, “type=date”);
多个参数
request.mapping("_doc", “datetime”, “type=date”, “string”, “type=text”);

！！！ 设置“_doc”!!!

https://www.cnblogs.com/BigWrite/p/11584752.html