使用JDBC连接到impala时出错

时间:2015-07-23 10:20:39

标签: java hadoop jdbc impala

我正在尝试使用以下驱动程序从Java程序连接到impala

  

com.cloudera.impala.jdbc41.Driver

但是这样做会遇到运行时异常,下面是堆栈跟踪

Exception in thread "main" java.lang.NoSuchFieldError: HIVE_CLI_SERVICE_PROTOCOL_V6
at com.cloudera.hivecommon.api.HS2Client.openSession(Unknown Source)
at com.cloudera.hivecommon.api.HS2Client.<init>(Unknown Source)
at com.cloudera.hivecommon.api.HiveServer2ClientFactory.createClient(Unknown Source)
at com.cloudera.hivecommon.core.HiveJDBCCommonConnection.connect(Unknown Source)
at com.cloudera.jdbc.common.BaseConnectionFactory.doConnect(Unknown Source)
at com.cloudera.jdbc.common.AbstractDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:571)
at java.sql.DriverManager.getConnection(DriverManager.java:233)

我还附上以下代码供参考

 Class.forName("com.cloudera.impala.jdbc41.Driver");
    Connection connection = null;
    connection =DriverManager.getConnection("jdbc:impala://IP:21050/default;user=foo;password=bar") ;
    Statement statement = null;
    statement = connection.createStatement();
    ResultSet resultSet = statement.executeQuery("select count(*) from table");
    while (resultSet.next()) {
        System.out.println(resultSet.getInt(0));

    }

0 个答案:

没有答案
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