How to protect password and username in Spark (such as for JDBC connections/accessing RDBMS databases)?

Question

We have a use case where we need to export data from HDFS to a RDBMS. I saw this example . Here they have store the username and password in the code. Is there any way to hi

Answer 1

As you run the application from console using spark-submit, you can access it through Java API:

Console console = System.console();
char passwordArray[] = console.readPassword("Enter your secret password: ");
account.setPassword(passwordArray);