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If you are here, you already know what Apache Ranger is. It is the most popular, if not the only, way to manage security in the Hadoop framework. It has integrations with Active Directory, Kerberos and various others for authentication but I believe the most interesting feature is its authorization support. Being part of the Hadoop ecosystem, one would not be surprised ...

What if you want to use a Hazelcast In-Memory Data Grid (IMDG) to speed up your database applications, but you have hundreds of tables to handle? Manually coding all Java POJOs and serialization support would entail weeks of work and when done, maintaining that domain model by hand would soon turn into a nightmare. Read this article and learn how ...

Apache Ant 1.10.6 has been released this week. This release contains numerous bug fixes as well as some very exciting new features. The complete release notes is available here and the downloads itself are available here. In this article, I will go over some of the new features that have made it into this release. Running JUnit5 tests in a ...

In this post, we feature a comprehensive article on Useful Debugging and Troubleshooting Tips for Beginners. There are three constants in life – death, taxes, and debugging codes. Plenty of programmers leave a mess of bugs when writing codes for new sling codes and features. But who cleans up the bugs? It is a separate thing to write good code ...

Too many teams have overloaded Product Owners. The teams and PO have trouble connecting the organization’s strategy to what the teams deliver. The teams, PO, management, all think they need big planning. Too often, the POs don’t do small-enough replanning. They’re not living the principles of the agile manifesto. That insufficient collaboration means the PO doesn’t always connect the strategy ...

The announcement that Jakarta EE cannot use the javax.* namespace is great news and provides Jakarta EE with a clean slate on which to build and innovate the future of Enterprise Java. The original proposal It had been envisioned that the javax.* and jakarta.* namespaces would coexist after Java EE 8 and, as it evolved, the jakarta.* namespace would be used for new features ...

I was writing an instrumentation test which required restarting the activity during a test. As I was trying out the ActivityScenarioRule to replace an ActivityTestRule, the documentation says I can use this method on the ActivityScenario to restart the activity after it has been launched: 1 scenario.recreate() So I wrote this function to for restarting the activity: 1 2 3 ...

One area of the RESTful web APIs design, quite frequently overlooked, is how to report errors and problems, either related to business or application. The proper usage of the HTTP status codes comes to mind first, and although quite handy, often it is not informative enough. Let us take 400 Bad Request for example. Yes, it clearly states that the ...

Maven archetypes are the project templates which can help us quickly create a maven starter project based on its type. It’s a great tool to bootstrap a maven project with least effort. There are wide options of archetypes available to us. Some of the popular archetypes include – maven-archetype-quickstart, maven-archetype-webapp, maven-archetype-archetype. To create a maven project with a specific archetype, ...