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Last active July 6, 2021 11:49
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sample java code to connect hive server using thrift client
package com.rajkrrsingh.thrift.client;
import org.apache.hive.service.auth.HiveAuthFactory;
import org.apache.hive.service.auth.PlainSaslHelper;
import org.apache.hive.service.cli.thrift.*;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.transport.TTransport;
import java.util.Iterator;
import java.util.List;
* to make it work add the hive-service and hadoop-client dependencies
* in pom.xml
public class ThriftClient {
public static void main(String[] args) throws TException, SaslException {
TTransport transport = HiveAuthFactory.getSocketTransport("", 10000,99999);
transport = PlainSaslHelper.getPlainTransport("hive", "hive", transport);
TBinaryProtocol protocol = new TBinaryProtocol(transport);
TCLIService.Client client = new TCLIService.Client(protocol);;
TOpenSessionReq openReq = new TOpenSessionReq();
TOpenSessionResp openResp = client.OpenSession(openReq);
TSessionHandle sessHandle = openResp.getSessionHandle();
TExecuteStatementReq execReq = new TExecuteStatementReq(sessHandle, "show tables");
TExecuteStatementResp execResp = client.ExecuteStatement(execReq);
TOperationHandle stmtHandle = execResp.getOperationHandle();
TFetchResultsReq fetchReq = new TFetchResultsReq(stmtHandle, TFetchOrientation.FETCH_FIRST, 100);
TFetchResultsResp resultsResp = client.FetchResults(fetchReq);
List<TColumn> res=resultsResp.getResults().getColumns();
for(TColumn tCol: res){
Iterator<String> it = tCol.getStringVal().getValuesIterator();
while (it.hasNext()){
TCloseOperationReq closeReq = new TCloseOperationReq();
TCloseSessionReq closeConnectionReq = new TCloseSessionReq(sessHandle);
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ghost commented Jul 6, 2021

excuse, how to get hive log? if you have time,can you tell me? please..

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