JDBC

How to do J2EE JDBC based authentication with JPA Entities in Glassfish

Optimistic locking is a widely-used strategy for handling concurrent access to data in a database. This technique is especially useful when dealing with high-performance applications where multiple transactions are expected to operate on the same data concurrently.

Java Database Connectivity (JDBC) drivers are a critical component for Java developers, enabling seamless interaction between Java applications and databases. Choosing the right type of JDBC driver can significantly impact the performance, portability, and security of your applications.

In this tutorial, we secure a simple Rest API. We begin with a simple example, progress to using a custom UserDetailsService, and finish by adding method level security.