FizzBuzz Enterprise Edition VS Logback

To make sure we're really working with Java, look at some short class names:

Java encourages (partly through language design and partly through its community/ecosystem) [Enterprise Grade Programming](https://github.com/EnterpriseQualityCoding/FizzBuzzEnterpris...). The problem isn't the language per se, but that most code bases will require you to earn an architecture astronaut certification for that particular code base.

But also, the Go spec is a couple of pages and the Java spec is, uh, it's taking a while to load for me... ah yes, 876 pages. How's that learning curve?

It gets worse (this isn't too much of an exaggeration): https://github.com/EnterpriseQualityCoding/FizzBuzzEnterpris....

As an undergrad, I once spent about half an hour peer programming with a computer science PhD - it was enlightening.

He didn't have the slightest understanding of software - calling me out for things like not checking that the size of a (standard library) data structure wasn't negative.

Sometimes there's a scary lack of understanding and competency where you'd expect to find it.

Sometimes these things are done for a reason; sometimes it's actually sane and sometimes it's just a way to deal with the lunacy of a codebase forged by the madmen who came before you.

Now if we have all the time in the world, we can make the thing as complicated as we like: https://github.com/EnterpriseQualityCoding/FizzBuzzEnterpriseEdition.

In code, this means you must have clear separation of concerns, so future changes are less likely to require scattered changes throughout your code base. Clean Architecture is a certified classic for this subject, just remember to not overdo it in the wrong area and end up with Enterprise Edition FizzBuzz.

That "Hello World Enterprise Edition" looks dangerously under-engineered - I could understand it! Far better to follow the best practices demonstrated in the Fizz Buzz Enterprise Edition...

https://github.com/EnterpriseQualityCoding/FizzBuzzEnterpris...

Logback we will use mostly with Ktor, this dependency is not required, but it is nice to see logs of requests + it will get rid of some annoying warnings while running the project

Java -> Logback, Log4j2, JDK (Java Util Logging), Slf4j, e.t.c.

This is a GitHub link to my demo app. It’s simple Spring Boot web app used to debugging various stuff. There are many ways to configure JSON logging in Spring Boot. I decided to use Logback because it is easy to configure and one of the most widely used logging library in the Java Community. To enable JSON logging we need to add below dependencies.

Logback(https://logback.qos.ch/) is another non-commercial Java logging framework. It labels itself as a successor to the previously discussed Log4j framework.

> Then apache decides to put new people on log4j, do a backward incompatible v2 design that nevertheless is worse than slf4j. Why?

slf4j itself isn't a logging framework. It's a facade to logging frameworks.

Simple Logging Facade for Java ( https://www.slf4j.org )

It needs a logging framework behind it - log4j, log4j2, logback, commons, JUL.

The question is "why do log4j2?"

Logback went from the log4j1.x path ( https://logback.qos.ch )

Log4j2 has a lot of features that weren't present when the project started ( https://en.wikipedia.org/wiki/Log4j#Apache_Log4j_2 ).

There is a licensing difference between Logback (LGPL) and Log4jx (Apache Commons).

Also, I'd like you to pay attention to the log consumer. You see, when the E2E scenario fails, it's not always obvious why. Sometimes to understand the source of the problem you have to dig into containers' logs. Thankfully the log consumer allows us to forward a container's logs to any SLF4J logger instance. In this project, containers' logs are forwarded to regular text files (you can find the Logback configuration in the repository). Though it's much better to transfer logs to external logging facility (e.g. Kibana).

This shows that the MariaDB JDBC driver uses Logback as a logging framework. Although Logback is not affected by Log4Shell, it has a related vulnerability (of much lesser severity, no need to panic) fixed in version 1.2.8 and 1.3.0-alpha11. I checked the version used by the connector and found that it used 1.3.0-alpha10. Even though Logback is included as a test dependency in the MariaDB driver, I sent a pull request on GitHub to update it. I encourage you to do the same in any open-source project you find and that includes a vulnerable dependency.