[英]Connection to two different databases in single class
我需要從代碼連接到兩個不同的數據庫。 首先是Hive數據庫,另一個是Oracle。 為此,我需要加載兩個不同的驅動程序,一個用於Hive,另一個用於Oracle。 這是我所做的:
Class.forName("org.apache.hive.jdbc.HiveDriver");
System.out.println("Driver Found");
Connection connection = DriverManager.getConnection(
"jdbc:hive2://10.8.219.36:10000/default", "lab", "lab");
System.out.println("Connection established");
System.out.println("------------------");
Class.forName("oracle.jdbc.driver.OracleDriver");
System.out.println("Driver Found");
Connection connection1 = DriverManager.getConnection(
"jdbc:oracle:thin:@97.253.16.117:1521:NATTDB11",
"CDR_LOADER", "CDR_LOADER");
System.out.println("Connection established");
當我運行上面的代碼時,這就是錯誤:
Driver Found
Connection established
------------------
Driver Found
java.lang.IllegalArgumentException: Bad URL format
at org.apache.hive.jdbc.Utils.parseURL(Utils.java:185)
at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:84)
at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:104)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at Demo.main(Demo.java:17)
我該怎么做呢? 先感謝您。
嘗試使用以下命令顯式注冊兩個驅動程序:
DriverManager.registerDriver (new oracle.jdbc.driver.OracleDriver());
DriverManager.registerDriver (new org.apache.hive.jdbc.HiveDriver());
然后測試兩種連接類型。
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