MapReduce服务 MRS-Hive JDBC应用开发快速入门:编译并运行程序

时间:2023-11-01 16:19:45

编译并运行程序

  1. 编译JDBC样例程序:

    在IDEA界面左下方单击“Terminal”进入终端,执行命令mvn clean package进行编译。

    当输出“BUILD SUCCESS”,表示编译成功,如下图所示。编译成功后将会在样例工程的target下生成含有“-with-dependencies”字段的jar包。

    [INFO] ------------------------------------------------------------------------[INFO] BUILD SUCCESS[INFO] ------------------------------------------------------------------------[INFO] Total time:  03:30 min[INFO] Finished at: 2023-05-17T20:22:44+08:00[INFO] ------------------------------------------------------------------------

  2. 在本地创建一个目录作为运行目录,如“D:\jdbc_example”,将生成的包名中含有“-with-dependencies”字段的jar包放进该路径下,并在该目录下创建子目录“src/main/resources"。将样例工程“resources”目录下的所有文件拷贝到该目录下。
  3. 在Windows CMD环境下执行:

    cd /d d:\jdbc_example

    java -jar hive-jdbc-example-XXX-with-dependencies.jar

  4. 样例运行成功后,运行信息如下,表示相关Hive表操作成功执行。

    ...2023-05-17 20:25:09,421 INFO  HiveConnection - Login timeout is 02023-05-17 20:25:09,656 INFO  HiveConnection - user login success.2023-05-17 20:25:09,685 INFO  HiveConnection - Will try to open client transport with JDBC Uri: jdbc:hive2://192.168.64.216:21066/;principal=hive/hadoop.hadoop.com@HADOOP.COM;sasl.qop=auth-conf;serviceDiscoveryMode=zooKeeper;auth=KERBEROS;zooKeeperNamespace=hiveserver2;user.principal=developuser;user.keytab=src/main/resources/user.keytab2023-05-17 20:25:30,294 INFO  JDBCExample - Create table success!2023-05-17 20:26:34,032 INFO  JDBCExample - _c02023-05-17 20:26:34,266 INFO  JDBCExample - 02023-05-17 20:26:35,199 INFO  JDBCExample - Delete table success!...

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