impala jdbc not support UPSERT preparestatement (KUDU) JDBC version is impala_jdbc_2.5.37.1057 code is like below: conn.setAutoCommit(false); PreparedStatement pstmt = conn.prepareStatement(sqlStatement); for (ArrayList<String> ss : list) {     for (int i=0;i<types.length;i++) {         String s = "NULL";         if (i < ss.size()) s = ss.get(i);         setDataValue(i+1, pstmt, types[i], s);     }     pstmt.addBatch(); } pstmt.executeBatch(); pstmt.close(); conn.setAutoCommit(true); when the sqlStatement is using INSERT it's ok, but when using UPSERT, it report below exceptions Exception in thread "main" java.sql.SQLException: [Simba][ImpalaJDBCDriver](500057) Multi-batch parameter values not supported for this query type.         at com.cloudera.hivecommon.dataengine.HiveJDBCNativeQueryExecutor.getQueryWithParametersPopulated(Unknown Source)         at com.cloudera.hivecommon.dataengine.HiveJDBCNativeQueryExecutor.execute(Unknown Source)         at com.cloudera.jdbc.common.SPreparedStatement.executeBatch(Unknown Source)         at com.seahigh.util.ImpalaJdbcUtil.batchInsert2_0(ImpalaJdbcUtil.java:391)         at com.seahigh.util.TestKuduInsertUtil.batchInsertTable(TestKuduInsertUtil.java:180)         at com.seahigh.util.TestKuduInsertUtil.testInsert(TestKuduInsertUtil.java:59) Caused by: com.cloudera.support.exceptions.GeneralException: [Simba][ImpalaJDBCDriver](500057) Multi-batch parameter values not supported for this query type. ... View more