ES版本:6.4.3 1.The number of object passed must be even but was [1] 问题代码: IndexRequest indexRequest = new IndexRequest(INDEX,TYPE,water.getId()).source(jsonStr); 解决:将jsonStr换成Map. 不报该错误了,但是又报错: 2.cannot write xcontent for unknown value of type class ja…

读取文件,获取json格式的数据doc, 然后使用 bulkRequestBuilder.add(client.prepareIndex(index, type, id).setSource(doc)); 往ES中批量插入文档,接着就报下面这个异常错误: java.lang.IllegalArgumentException: The number of object passed must be even but was [1] 后来,花了点时间,才查到原因: ES 变更版本后,此处代码不适用,…

1.失败,使用TransportClient public static void bulkInsert(TransportClient client) throws IOException { List<Person> ps=new ArrayList<Person>(); Person one=new Person(); one.setId("1"); one.setAddress("add"); one.setMobile("…

var a1; var a2 = true;var a3 = 1;var a4 = "Hello";var a5 = new Object();var a6 = null;var a7 = NaN;var a8 = undefined; alert(typeof a); //显示"undefined"alert(typeof a1); //显示"undefined"alert(typeof a2); //显示"boolean"…

JSON格式有误,需用JSON.stringify()函数转换一下 参考 https://www.cnblogs.com/sunyanblog/p/13788740.html https://www.runoob.com/js/javascript-json-stringify.html…

说明:ES部署了3个节点,而一般情况只要这三个节点的IP其中一个都可以连接,Web端口使用的是9500,Client连接使用的是9600,调用程序使用了ES原生Client进行连接. 解决方法: 1.出现这样的问题,一般检查集群名称和IP是否填写正确. 2.注意,比如提供的IP能Telnet成功,但不一定代表能正常使用Client进行连接. 3.我猜测Client的原理:如果在构造Client对象时,传入了一个IP之后且连接成功后,ES会返回整个集群的IP给Client,此时的Client会逐个…

elasticsearch 中的地理信息存储, 有geo_point形式和geo_shape两种形式 此篇只叙述geo_point, 地理位置需要声明为特殊的类型, 不显示在mapping中定义的话, 需要 { "pin" : { "location" : { "lat" : 40.12, "lon" : -71.34 }, "tag" : ["food", "family&q…

1. Unsupported major.minor version 52.0 java的jdk版本过低导致,需要更换为jdk1.8+ 2. elasticsearch 的version在pom中提示2.5.6,尽管自己已经添加有version springboot集成有elasticsearch,但是集成版本过低导致. 此时就需要将高版本的jar dependency进去,将版本号写在<properties>中引入,ignore 版本提示即可. 3. java.lang.ClassNotFo…

背景: 错误日志: SAP FBN1 Deletion only possible if status is initial 场景: 如果目标机已有NUMBER RANGE 不为0,需要删除配置年为9999的方案: I Created wrong No range in Business Entity. When I am trying to delete wrong no range system showing massage "Deletion only possible if statu…

Chatper 3 Discovering Classes and Object Exercises: 1.What is a class? A class is a template for manufacturing objects. 2.How do you declare a class? By providing a header followed by a body.The header minimally consists of reserved word class follow…