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import java.sql.SQLException; import java.sql.Connection; import java.sql.ResultSet; import java.sql.Statement; import java.sql.DriverManager; public class HiveServer2Connect { private static String driverName = "org.apache.hive.jdbc.HiveDriver"; /** * @param args * @throws SQLException */ public static void main(String[] args) throws SQLException { try { Class.forName(driverName); } catch (ClassNotFoundException e) { e.printStackTrace(); System.exit(1); } // Connection conn = DriverManager.getConnection("jdbc:hive2://linux01:10000/hadoop","hadoop","123"); Connection conn = DriverManager.getConnection("jdbc:hive2://192.168.128.130:10000/default"); Statement stmt = conn.createStatement(); // String sql = "select * from test2"; // String sql = "show databases"; String sql = "show tables"; //stmt.execute("create table test3(id int)"); System.out.println("Running: " + sql); ResultSet res = stmt.executeQuery(sql); while (res.next()){ System.out.println("tablename:"+res.getString(1)); // System.out.println("id:"+res.getString(1) // +" name:"+res.getString(2) // +" phone:"+res.getString(3)); } conn.close(); } }
版本要和hadoop一致
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>org.example</groupId> <artifactId>jdbcHive</artifactId> <version>1.0-SNAPSHOT</version> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.apache.hadoop</groupId> <artifactId>hadoop-common</artifactId> <version>3.1.0</version> <exclusions> <exclusion> <groupId>log4j</groupId> <artifactId>log4j</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.hadoop</groupId> <artifactId>hadoop-client</artifactId> <version>3.1.0</version> </dependency> <dependency> <groupId>org.apache.hive</groupId> <artifactId>hive-metastore</artifactId> <version>1.1.0-cdh5.12.1</version> </dependency> <dependency> <groupId>org.apache.hive</groupId> <artifactId>hive-exec</artifactId> <version>1.1.0-cdh5.12.1</version> </dependency> <dependency> <groupId>org.apache.hive</groupId> <artifactId>hive-jdbc</artifactId> <version>1.1.0-cdh5.12.1</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>${maven.compiler.source}</source> </configuration> </plugin> </plugins> </build> </project>
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