[英]How to load data into hive by using Java Program?
我尝试过通过命令行方式将数据加载到配置单元中。 这种方式可以正常工作。
现在,我想通过Java加载数据。 因此,为此目的,我编写了代码,并且能够创建表,数据库,向其中插入值,但是在使用load命令时却无法正常工作。
private static String driverName = "org.apache.hive.jdbc.HiveDriver";
private static String databaseURL = "jdbc:hive2://server_name:10001/test";
private static String userName = "<hadoop_user";
private static String password = "<password>";
private static Connection con = null;
private final static Logger log =
private static String dbName="db_name",
tableName="table_name",
path = "";
private void loadData(String path,String tableName) {
// create statement
Statement stmt;
try {
stmt = con.createStatement();
String sql = "LOAD DATA LOCAL INPATH 'file:/"+path+ "' OVERWRITE INTO TABLE "+tableName+"";
System.out.println("Load Data into successful"+sql);
stmt.execute("LOAD DATA LOCAL INPATH 'file:/"+path+ "' OVERWRITE INTO TABLE "+tableName+"");
con.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
解决这个问题
Caused by: org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAccessControlException: Permission denied: Principal [name=hadoop, type=USER] does not have following privileges for operation LOAD [[SELECT, INSERT, DELETE, OBJECT OWNERSHIP] on Object [type=LOCAL_URI, name=file:/D:/DTCC/Pig/Dummy_data_Main.tsv]]
at org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLAuthorizationUtils.assertNoDeniedPermissions(SQLAuthorizationUtils.java:414)
at org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLStdHiveAuthorizationValidator.checkPrivileges(SQLStdHiveAuthorizationValidator.java:96)
at org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthorizerImpl.checkPrivileges(HiveAuthorizerImpl.java:85)
at org.apache.hadoop.hive.ql.Driver.doAuthorizationV2(Driver.java:725)
at org.apache.hadoop.hive.ql.Driver.doAuthorization(Driver.java:518)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:455)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:303)
at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1067)
at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1061)
at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:100)
... 15 more
我试过的内容:1)我对表HDFS路径上的hadoop用户授予所有权限2)我对表(例如SELECT,INSERT,DELETE)授予所有权限
请帮助我解决此问题。
请确保以下内容-
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.