1. Oracle JDBC driver 12.2.0.1 (ojdbc8.jar) downloadhttps://www.oracle.com/database/technologies/jdbc-ucp-122-downloads.html 2. ojdbc8.jar Nexus 3.23.x UploadNexus login : http://localhost:8081 Sign inleft menu [Upload] Click -> [maven-releases] click- File : [Browse] ojdbc8.jar select- Extension : jar- Group ID : com.oracle.jdbc- Artifact ID : ojdbc8- Version : 12.2.0.1[Upload] 3. pom.xml add ..