Install and load the OceanBase Connector/J driver

This topic describes how to install and load the OceanBase Connector/J driver and perform connection tests. Before the installation, make sure that the prerequisites are met.

Prerequisites

• Before you install OceanBase Connector/J, set up the basic database development environment, and make sure that the Java environment on your computer is JDK 8.

• You have obtained the installation package of the OceanBase Connector/J driver from OceanBase Technical Support.

Load the installation package

Place the JAR installation package of OceanBase Connector/J in a local directory. Use cmd to import the JAR package and then perform the following connection tests.

1. Compile the Java file HelloWorld.java and load OceanBase Connector/J.

   public class HelloWorld {
      public static void main(String[] args) {
          try {
              Class.forName("com.oceanbase.jdbc.Driver");
          } catch (Throwable e) {
              e.printStackTrace();
          }
      }
   }
   

2. Run the following command to compile the Java sample file:

   javac -cp target/oceanbase-client-{version}.jar HelloWorld.java
   

   Note

   You can change the compilation path as needed.

3. Run the following command to run the Java sample file:

   java -cp .:target/oceanbase-client-{version}.jar HelloWorld
   

If all the preceding steps are performed and no error is returned, the JAR package of the OceanBase Connector/J driver is correctly loaded.