AWS Glue – Can not create a Path from an empty string

1. Overview I was receiving this error while trying to run an AWS Glue job that communicated with a DB2…

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Spring Data Redis: High-Availability with Sentinel

1. Overview For high-availability with Redis, we can use Spring Data Redis’ support for Redis Sentinel. With Sentinel, we can…

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DevSecOps for Authorization

1. Overview What is DevSecOps? DevSecOps refers to the strategy of development, security, and operations teams working hand-in-hand on their…

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Grails with Spring Security

1. Overview of Spring Security Integration with Grails Spring Security touts a number of authentication, authorization, instance-based, and various other…

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Expression-Based Access Control

1. Overview Today, we’ll be reviewing the differences between Expression-Based Access Control (EBAC), Role Based Access Control (RBAC), and Attribute…

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Resource and Dependency Injection in Java EE 7

1. Overview Contexts and Dependency Injection (CDI) is a feature of Java EE that helps meld the web tier and…

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Authorizing Resources Based On Who Created Them

A colleague of mine pointed me to an interesting question on StackOverflow and suggested it may be a good one…

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Selenium with Java: Google Search

1. Overview In this tutorial, we will be exploring the basics of how to use Selenium with Java. We will…

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Converting HTML to RichTextString for Apache POI

1. Overview In this tutorial, we will be building an application that takes HTML as an input and creates a…

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