Joy Foster
All Posts by Joy Foster
Build Single Sign-on in Java
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. In modern app development, you quite frequently have a single resource server that provides data to multiple client applications. These applications may share a...
Servlet Authentication with Java
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. It can be very satisfying to build an application “the hard way”, using few conveniences. This approach helps you understand core development principles and...
Use Spring Boot and MySQL to go Beyond Authentication
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. In this post, we will walk through how to build a simple CRUD application using Spring Boot, MySQL, JPA/Hibernate and Okta OpenID Connect (OIDC)...
Test Your Spring Boot Applications with JUnit 5
Note: In May 2025, the Okta Integrator Free Plan replaced Okta Developer Edition Accounts, and the Okta CLI was deprecated. We preserved this post for reference, but the instructions no longer work exactly as written. Replace the Okta CLI commands by manually configuring Okta following the instructions in our Developer Documentation. In this post, you’ll walk through how to build a simple Spring Boot application and test it with Junit 5. An application without testing...