Not able to access Hive Tables through JDBC in Hortonworks Sandbox 2.0 - hadoop

Question

I am using Hortonworks Sandbox 2.0. I tried the following program in the Eclipse IDE, but was not table to access my Hive tables. Got the following errors. What do I have to do to resolve this?
I used this also: hive –service hiveserver, and got Not able to connect. I am using VMware.
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.DriverManager;
public class HiveJdbcClient {
private static String driverName = “org.apache.hadoop.hive.jdbc.HiveDriver”;
/**
* #param args
* #throws SQLException
*/
public static void main(String[] args) throws SQLException {
try {
Class.forName(driverName);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.exit(1);
}
Connection con = DriverManager.getConnection(“jdbc:hive://localhost:10000/default”, “”, “”);
Statement stmt = con.createStatement();
String tableName = “testHiveDriverTable”;
stmt.executeQuery(“drop table ” + tableName);
ResultSet res = stmt.executeQuery(“create table ” + tableName + ” (key int, value string)”);
// show tables
String sql = “show tables ‘” + tableName + “‘”;
System.out.println(“Running: ” + sql);
res = stmt.executeQuery(sql);
if (res.next()) {
System.out.println(res.getString(1));
}
// describe table
sql = “describe ” + tableName;
System.out.println(“Running: ” + sql);
res = stmt.executeQuery(sql);
while (res.next()) {
System.out.println(res.getString(1) + “\t” + res.getString(2));
}
// load data into table
// NOTE: filepath has to be local to the hive server
// NOTE: /tmp/a.txt is a ctrl-A separated file with two fields per line
String filepath = “/tmp/a.txt”;
sql = “load data local inpath ‘” + filepath + “‘ into table ” + tableName;
System.out.println(“Running: ” + sql);
res = stmt.executeQuery(sql);
// select * query
sql = “select * from ” + tableName;
System.out.println(“Running: ” + sql);
res = stmt.executeQuery(sql);
while (res.next()) {
System.out.println(String.valueOf(res.getInt(1)) + “\t” + res.getString(2));
}
// regular hive query
sql = “select count(1) from ” + tableName;
System.out.println(“Running: ” + sql);
res = stmt.executeQuery(sql);
while (res.next()) {
System.out.println(res.getString(1));
}
}
}
—-
GOT ERROR
Exception in thread “main” java.sql.SQLException: Could not establish connection to 172.31.153.71:10000/default: java.net.ConnectException: Connection refused: connect
at org.apache.hadoop.hive.jdbc.HiveConnection.<init>(HiveConnection.java:117)
at org.apache.hadoop.hive.jdbc.HiveDriver.connect(HiveDriver.java:106)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at com.coe.convert.hive.temp.htw.HiveJdbcClient.main(HiveJdbcClient.java:28)

Answer 1

Run hive on another port. And then use the new port number it will work. Use the following command to change the port number 10000 to 10001.
hive --service hiveserver -p 10001
Then Use ,
172.31.153.71:10000/default