Hackers are exploiting a critical, unpatched remote code execution (RCE) vulnerability in Fastjson without authentication.

Any data that enters your system from outside a trust boundary should be treated as untrusted until proven otherwise. That includes form fields, API payloads, file uploads, headers, cookies, queue ...

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The goal of Hibernate and JPA is to hide the complexity of SQL and relational databases from the ...

Before Spring introduced custom annotations, developers had to manage configurations like email validation using XML configuration files. The XML configuration would define beans, validators, and ...

Abstract: Today's software systems tend to be long-living and often process security-critical data, so keeping up with ever-changing security measures, attacks, and mitigations is critical to ...

As the name implies, runtime errors occur during the execution of a software program. They occur when an application runs. Any time an application behaves in a way ...

CmdOption is a simple annotation-driven command line parser toolkit for Java 6 applications. Everything you need is (at least one) simple configuration object. Each field and method annotated with an ...