1、jar包 <dependency> <groupId>org.elasticsearch</groupId> <artifactId>elasticsearch</artifactId> <version>7.8</version> </dependency> <dependency> <groupId>org.elasticsearch.client</groupId> <artifactId>elasticsearch-rest-high-level-client</artifactId> <version>7.8</version> </dependency> 2、kerberos认证 public void kerberos() { try { System.setProperty("http.auth.preference", "Kerberos"); System.setProperty("java.security.krb5.conf", KRB5CONF); System.setProperty("sun.security.krb5.debug",...