Java Weekly, Issue 239

Navigating the complexities of Spring can be difficult, even for seasoned developers.

If you need direct, practical help and guidance with your own Spring work, Trifork's CTO, Joris Kuipers, is running a closed-door call.

It's free, but it's limited to only 3 seats, so if you need it, I would join quickly and be sure to attend:

>>> CTO Spring Open Office Hour Session - Technical Guidance

With more than 15 years of leading custom software development projects involving Spring, Joris has gained a lot of real-world experience, and this call is about sharing and helping the community.

Enjoy.

Building or modernizing a Java enterprise web app has always been a long process, historically. Not even remotely quick.

That's the main goal of Jmix is to make the process quick without losing flexibility - with the open-source RAD platform enabling fast development of business applications.

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.

Simply put, a single Java or Kotlin developer can now quickly implement an entire modular feature, from DB schema, data model, fine-grained access control, business logic, BPM, all the way to the UI.

Jmix supports both developer experiences – visual tools and coding, and a host of super useful plugins as well:

>> Try out Jmix

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

The Kubernetes ecosystem is huge and quite complex, so it’s easy to forget about costs when trying out all of the exciting tools.

To avoid overspending on your Kubernetes cluster, definitely have a look at the free K8s cost monitoring tool from the automation platform CAST AI. You can view your costs in real time, allocate them, calculate burn rates for projects, spot anomalies or spikes, and get insightful reports you can share with your team.

Connect your cluster and start monitoring your K8s costs right away:

>> FREE Kubernetes cost monitoring

Creating PDFs is actually surprisingly hard. When we first tried, none of the existing PDF libraries met our needs. So we made DocRaptor for ourselves and later launched it as one of the first HTML-to-PDF APIs.

We think DocRaptor is the fastest and most scalable way to make PDFs, especially high-quality or complex PDFs. And as developers ourselves, we love good documentation, no-account trial keys, and an easy setup process.

>> Try DocRaptor's HTML-to-PDF Java Client (No Signup Required)