以下都是从摘自elasticsearch官网,只不过提出几点需要大家注意的
1.java x-pack认证依赖的jar包是
<dependencies> <!-- add the x-pack jar as a dependency --> <dependency> <groupId>org.elasticsearch.client</groupId> <artifactId>x-pack-transport</artifactId> <version>5.4.0</version> </dependency> </dependencies>
这个包依赖的是elasticsearch自己搭建的一个仓库,往往我们会漏掉,如下是完整的maven依赖内容:
<repositories> <!-- add the elasticsearch repo --> <repository> <id>elasticsearch-releases</id> <url>https://artifacts.elastic.co/maven</url> <releases> <enabled>true</enabled> </releases> <snapshots> <enabled>false</enabled> </snapshots> </repository> </repositories> <dependencies> <!-- add the x-pack jar as a dependency --> <dependency> <groupId>org.elasticsearch.client</groupId> <artifactId>x-pack-transport</artifactId> <version>5.4.0</version> </dependency> </dependencies>
2.java.lang.IllegalArgumentException: unknown setting [xpack.security.user] please check that any required plugins are installed, or check the breaking changes documentation for removed settings;初始化elasticsearch客户端报以上错,所以还是得细心地,依赖的是刚才第一点引入的jar包中文件:org.elasticsearch.xpack.client.PreBuiltXPackTransportClient,记住是这个包,不然你默认引用进来的包会有问题。另外TransportClient文件是引用的elasticsearch-5.4.0.jar包的。