Java Web Weekly, Issue 127

Azure Spring Apps is a fully managed service from Microsoft (built in collaboration with VMware), focused on building and deploying Spring Boot applications on Azure Cloud without worrying about Kubernetes.

And, the Enterprise plan comes with some interesting features, such as commercial Spring runtime support, a 99.95% SLA and some deep discounts (up to 47%) when you are ready for production.

>> Learn more and deploy your first Spring Boot app to Azure.

You can also ask questions and leave feedback on the Azure Spring Apps GitHub page.

Slow MySQL query performance is all too common. Of course it is. A good way to go is, naturally, a dedicated profiler that actually understands the ins and outs of MySQL.

The Jet Profiler was built for MySQL only, so it can do things like real-time query performance, focus on most used tables or most frequent queries, quickly identify performance issues and basically help you optimize your queries.

Critically, it has very minimal impact on your server's performance, with most of the profiling work done separately - so it needs no server changes, agents or separate services.

Basically, you install the desktop application, connect to your MySQL server, hit the record button, and you'll have results within minutes:

>> Try out the Profiler

Accelerate Your Jakarta EE Development with Payara Server!

With best-in-class guides and documentation, Payara essentially simplifies deployment to diverse infrastructures.

Beyond that, it provides intelligent insights and actions to optimize Jakarta EE applications.

The goal is to apply an opinionated approach to get to what's essential for mission-critical applications - really solid scalability, availability, security, and long-term support:

>> Download and Explore the Guide (to learn more)

The AI Assistant to boost Boost your productivity writing unit tests - Machinet AI.

AI is all the rage these days, but for very good reason. The highly practical coding companion, you'll get the power of AI-assisted coding and automated unit test generation.
Machinet's Unit Test AI Agent utilizes your own project context to create meaningful unit tests that intelligently aligns with the behavior of the code.
And, the AI Chat crafts code and fixes errors with ease, like a helpful sidekick.

Simplify Your Coding Journey with Machinet AI:

>> Install Machinet AI in your IntelliJ

Looking for the ideal Linux distro for running modern Spring apps in the cloud?

Meet Alpaquita Linux: lightweight, secure, and powerful enough to handle heavy workloads.

This distro is specifically designed for running Java apps. It builds upon Alpine and features significant enhancements to excel in high-density container environments while meeting enterprise-grade security standards.

Specifically, the container image size is ~30% smaller than standard options, and it consumes up to 30% less RAM:

>> Try Alpaquita Containers now.

DbSchema is a super-flexible database designer, which can take you from designing the DB with your team all the way to safely deploying the schema.

The way it does all of that is by using a design model, a database-independent image of the schema, which can be shared in a team using GIT and compared or deployed on to any database.

And, of course, it can be heavily visual, allowing you to interact with the database using diagrams, visually compose queries, explore the data, generate random data, import data or build HTML5 database reports.

>> Take a look at DBSchema

Slow MySQL query performance is all too common. Of course it is. A good way to go is, naturally, a dedicated profiler that actually understands the ins and outs of MySQL.

Critically, it has very minimal impact on your server's performance, with most of the profiling work done separately - so it needs no server changes, agents or separate services.

Basically, you install the desktop application, connect to your MySQL server, hit the record button, and you'll have results within minutes:

>> Try out the Profiler

At the very beginning of last year, I decided to track my reading habits and share the best stuff here, on Baeldung. Haven’t missed a review since.

Here we go…

1. Spring and Java

>> Zero Downtime Deployment with a Database [spring.io]

It’s no coincidence that this is first on the list this week – Marcin wrote a well researched, solid and referenceable resource for handling deployments in production.

>> Back to the CompletableFuture: Java 8 Feature Highlight [takipi.com]

Brushing up on the basics is always a good idea, and the CompletableFuture was such a useful addition in Java 8.

The fact that the examples are built using Marvel superheroes is just gravy.

>> JVM JIT optimization techniques [advancedweb.hu]

A comprehensive introduction to the underpinnings of how the JVM actually optimizes and runs code.

>> The Open Session In View Anti-Pattern [vladmihalcea.com]

A low level and highly useful deep-dive into how using the Open Session In View “solution” is essentially a code smell for a root problem in the architecture of the system.

>> Oracle Moves In Strange Ways [adam-bien.com]

A very interesting lesson in the history of Java EE and a quick read.

>> Why Microservices Should Be Event Driven: Autonomy vs Authority [christianposta.com]

As it’s becoming clearer and clearer after the ruckus has died down – microservices require a fundamentally different way of architecting our systems.

>> How to use PostgreSQL’s JSONB data type with Hibernate [thoughts-on-java.org]

Some Hibernate goodness with the JSON support in PostgreSQL.

Also worth reading:

>> Cloud Foundry Java Client – Streaming events [java-allandsundry.com]
>> Log4j 2.6 Goes Garbage-Free [infoq.com]
>> Pairing Apache Shiro and Java EE 7 [infoq.com]
>> Building Event Management Products With Java EE 7 [adam-bien.com]
>> Selecting response elements with GPath in REST Assured [ontestautomation.com]
>> Living in the Matrix with Bytecode Manipulation [infoq.com]
>> Validating JWT with Spring Boot and Spring Security [pragmaticintegrator.wordpress.com]

Webinars and presentations:

>> Java 9’s Other Puzzle Pieces [infoq.com]
>> Webinar Recording: Docker for Java Developers [jetbrains.com]

Time to upgrade:

>> Spring Statemachine 1.1.0 Released [spring.io]
>> Spring REST Docs 1.1.0.RELEASE [spring.io]
>> Twitter Releases Pants 1.0 Polyglot Build Tool [infoq.com]
>> Spring AMQP 1.6 RELEASE available [spring.io]
>> Java EE 8 Security API 1.0-m01 Is Available For Testing [adam-bien.com]
>> Apache TomEE 7.0.0 Released–And Smoke Tested [adam-bien.com]
>> IntelliJ IDEA 2016.2 EAP: Case-Only Renames in Git, Ligatures, Background Images, and More [jetbrains.com]
>> Selenium 3.0, 4.0, and 5.0 roadmap finally unveiled [techbeacon.com]
>> Hibernate ORM 5.2 release [in.relation.to]

2. Technical

>> Modelling Microservice Patterns in Code [vanilla-java.github.io]

An writeup that can define and clarify the mental model of certain client-server interactions.

Also worth reading:

>> AWS: a case study [dandreamsofcoding.com]
>> Clojure.spec is a New Contract System for Clojure [infoq.com]
>> Flaky Tests at Google and How We Mitigate Them [googletesting.com]

3. Musings

>> The emergence of historical mega breaches [troyhunt.com] and >> Dating the ginormous MySpace breach [troyhunt.com]

Some very interesting things happening in the security ecosystem this week, with a few unprecedented data breaches seeing the light of day all at once.

>> Bridging the Communication Gap Between Developers and Architects [daedtech.com]

Consensus about what an “architect” should be is unlikely, but defining a few useful things that they should definitely do is easier. Some interesting take-aways here.

>> OutcomeOriented [martinfowler.com] and >> ActivityOriented [martinfowler.com]

Organizing teams well is a tough nut to crack. If you’re working on cracking it – these two short writeups are a good read.

Also worth reading:

>> Stop Validating Phone Numbers [mattblodgett.com]
>> On Learning and Information [lizkeogh.com]
>> Introducing HyperDev [joelonsoftware.com]
>> YCs Basic Income Experiment [jacquesmattheij.com]

4. Comics

And my favorite Dilberts of the week:

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1. Spring and Java

>> Zero Downtime Deployment with a Database [spring.io]

>> Back to the CompletableFuture: Java 8 Feature Highlight [takipi.com]

>> JVM JIT optimization techniques [advancedweb.hu]

>> The Open Session In View Anti-Pattern [vladmihalcea.com]

>> Oracle Moves In Strange Ways [adam-bien.com]

>> Why Microservices Should Be Event Driven: Autonomy vs Authority [christianposta.com]

>> How to use PostgreSQL’s JSONB data type with Hibernate [thoughts-on-java.org]

>> Cloud Foundry Java Client – Streaming events [java-allandsundry.com]

>> Log4j 2.6 Goes Garbage-Free [infoq.com]

>> Pairing Apache Shiro and Java EE 7 [infoq.com]

>> Building Event Management Products With Java EE 7 [adam-bien.com]

>> Selecting response elements with GPath in REST Assured [ontestautomation.com]

>> Living in the Matrix with Bytecode Manipulation [infoq.com]

>> Validating JWT with Spring Boot and Spring Security [pragmaticintegrator.wordpress.com]

>> Java 9’s Other Puzzle Pieces [infoq.com]

>> Webinar Recording: Docker for Java Developers [jetbrains.com]

>> Spring Statemachine 1.1.0 Released [spring.io]

>> Spring REST Docs 1.1.0.RELEASE [spring.io]

>> Twitter Releases Pants 1.0 Polyglot Build Tool [infoq.com]

>> Spring AMQP 1.6 RELEASE available [spring.io]

>> Java EE 8 Security API 1.0-m01 Is Available For Testing [adam-bien.com]

>> Apache TomEE 7.0.0 Released–And Smoke Tested [adam-bien.com]

>> IntelliJ IDEA 2016.2 EAP: Case-Only Renames in Git, Ligatures, Background Images, and More [jetbrains.com]

>> Selenium 3.0, 4.0, and 5.0 roadmap finally unveiled [techbeacon.com]

>> Hibernate ORM 5.2 release [in.relation.to]

2. Technical

>> Modelling Microservice Patterns in Code [vanilla-java.github.io]

>> AWS: a case study [dandreamsofcoding.com]

>> Clojure.spec is a New Contract System for Clojure [infoq.com]

>> Flaky Tests at Google and How We Mitigate Them [googletesting.com]

3. Musings

>> The emergence of historical mega breaches [troyhunt.com] and >> Dating the ginormous MySpace breach [troyhunt.com]

>> Bridging the Communication Gap Between Developers and Architects [daedtech.com]

>> OutcomeOriented [martinfowler.com] and >> ActivityOriented [martinfowler.com]

>> Stop Validating Phone Numbers [mattblodgett.com]

>> On Learning and Information [lizkeogh.com]

>> Introducing HyperDev [joelonsoftware.com]

>> YCs Basic Income Experiment [jacquesmattheij.com]

4. Comics

>> How did people do sarcasm before the internet? [dilbert.com]

>> I remember a time when I had to listen [dilbert.com]

>> The least important thing I do is more important than all of you put together [dilbert.com]

5. Pick of the Week

>> Immortality Begins at Forty [ribbonfarm.com]

Get started with Spring and Spring Boot, through the Learn Spring course: