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import java.sql.Connection;import java.sql.Driver;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.SQLException;import java.util.Properties;public class TestConnection { public static void main(String[] args) throws InstantiationException, IllegalAccessException, ClassNotFoundException, SQLException { Driver driver = (Driver) Class.forName("com.cloudera.impala.jdbc41.Driver").newInstance(); Properties propertes = new Properties(); Connection connetction = driver .connect("jdbc:impala://192.168.44.141:21051/data;AuthMech=3;UID=hive;PWD=hive", propertes); // 使用第三种安全验证 String sql = "SELECT * FROM data.article a WHERE id=?"; PreparedStatement stmt = connetction.prepareStatement(sql); stmt.setString(1, "100"); ResultSet rs = stmt.executeQuery(); System.out.println("完成执行==============================="); if (rs.next()) { System.out.println("返回：" + rs.getObject(1)); } rs.close(); connetction.close(); }} 在pom.xml中引入依赖包，其中jar包到${project.basedir}/src/main/webapp/WEB-INF/lib/目录中
com.cloudera ImpalaJDBC41 1.0 system ${project.basedir}/src/main/webapp/WEB-INF/lib/ImpalaJDBC41.jar org.apache.hive hive_metastore 0.0.1 system ${project.basedir}/src/main/webapp/WEB-INF/lib/hive_metastore.jar org.apache.commons hive_service 0.0.1 system ${project.basedir}/src/main/webapp/WEB-INF/lib/hive_service.jar org.apache.commons commons-codec 1.3 system ${project.basedir}/src/main/webapp/WEB-INF/lib/commons-codec-1.3.jar com.facebook libfb303-0.9.0 0.9.0 system ${project.basedir}/src/main/webapp/WEB-INF/lib/libfb303-0.9.0.jar com.facebook libthrift-0.9.0 0.9.0 system ${project.basedir}/src/main/webapp/WEB-INF/lib/libthrift-0.9.0.jar org.apache.hive ql 0.0.1 system ${project.basedir}/src/main/webapp/WEB-INF/lib/ql.jar org.apache.hive TCLIServiceClient 0.0.1 system ${project.basedir}/src/main/webapp/WEB-INF/lib/TCLIServiceClient.jar org.apache.zookeeper zookeeper 3.4.6 system ${project.basedir}/src/main/webapp/WEB-INF/lib/zookeeper-3.4.6.jar
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