I have here an Oracle DataWarehouse and have to execute the following function:

I have a java application that accesses several services. They’ve always worked correctly, and then all of a sudden I get the following error when trying to run one of them:

Is it necessary from a developer perspective to know that application is hosted on RAC oracle database? Do we need to add any additional mechanism for making Java application RAC-aware? Can application maintain database connectivity even when there is a single node failure? Do we need to perform any additional RAC-aware tests on Java application?

I’m developing a Java application that connects to an Oracle database using JDBC. In this application, I need to track the user who interacts with database objects from the UI for the current session. To achieve this, I’m attempting to set client information properties such as the client username (ClientUser) using the setClientInfo method in JDBC, like so: