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Avatar

Ralph Soika

Developer at Imixs

Munich, DE

Joined Apr 2009

http://ralph.blog.imixs.com

About

I am project lead of the open source project Imixs-Workflow and founder of the Imixs Software Solutions GmbH located in Munich/Germany. As an architect and Java EE expert I believe that an open exchange of experiences is fundamental for professional software development. twitter: @rsoika

Stats

Reputation: 1647
Pageviews: 292.3K
Articles: 14
Comments: 22
  • Articles
  • Trend Reports
  • Comments

Articles

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BPMN 2.0 and Jakarta EE: A Powerful Alliance
Jakarta EE, combined with BPMN 2.0, forms a powerful alliance for developing robust, scalable, and interoperable BPM solutions.
March 14, 2024
· 3,635 Views · 3 Likes
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Why Should I Comment My Code?
Learn how to write source code comments that help to understand the code much faster.
December 27, 2022
· 5,183 Views · 6 Likes
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Are You Crazy Still Using JSF?
Java-Server-Faces is a web technology that is underestimated by many people. Why is that? And are you actually crazy if you still use JSF?
September 15, 2022
· 5,558 Views · 9 Likes
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Jakarta EE8, EE9, EE9.1, …. What???
Jakarta EE is the new Java Enterprise platform as you’ve heard. There is a lot of news about this application development framework. What does this mean for my Java project?
January 20, 2022
· 5,642 Views · 6 Likes
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Is Spring Boot Still State of the Art?
In this post, I'll take a closer look at whether the application framework Spring Boot is still relevant in modern Java-based application development.
January 5, 2022
· 10,056 Views · 16 Likes
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PostgreSQL HA and Kubernetes
I share my thoughts about how to set up a PostgreSQL Database in Kubernetes with some level of high availability, introducing 3 different architectural styles to do so.
July 30, 2021
· 17,535 Views · 3 Likes
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Stream Analytics and Workflow Engines
The following article will show you how to solve some of the challenges related to stream analytics and workflow engines with the help of workflow technology.
July 30, 2021
· 5,129 Views · 3 Likes
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Jakarta EE & Wildfly Running on Kubernetes
Learn how to create a custom Wildfly instance that runs a Jakarta EE appplications through Kubernetes.
September 24, 2020
· 4,616 Views · 2 Likes
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Spring Boot or Jakarta EE – What’s Better?
No – I don’t want to start a new flame war in which I put one framework above the other. Both, Spring Boot and Jakarta EE are great frameworks...
Updated August 11, 2020
· 27,101 Views · 8 Likes
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Managed Scheduled Executor Service vs EJB Timer
Debating between Managed Scheduled Executor Service and EJB Timer to implement scheduled tasks in your application? Check out this post for some tips.
July 17, 2020
· 7,908 Views · 1 Like
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MicroProfile CustomConfigSource With Database
Let's see how to implement a MicroProfile ConfigSource based on values read from a Database.
September 9, 2019
· 10,576 Views · 3 Likes
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Monitoring Docker Swarm
Learn how you can monitor your Docker Swarm environment with Prometheus and Grafana.
Updated February 8, 2019
· 53,509 Views · 10 Likes
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How to Model Business Rules
Learn how to model business rules using BPMN 2.0, an open-source software that makes modeling easy to understand for technicians and management.
May 24, 2018
· 9,599 Views · 7 Likes
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Microservices, Verticals, and Business Process Management?
How do you decompose the business logic of an application and really break up the monolith? Read on to see how business logic and microservices fit together.
June 24, 2016
· 20,006 Views · 17 Likes

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Kubernetes and the Enterprise

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Kubernetes and the Enterprise

Comments

The State of Kubernetes: Self-Managed vs. Managed Platforms

Oct 23, 2023 · Marcy Tillman

Great article!

Everything Bad in Java Is Good for You

Jun 20, 2023 · Shai Almog

One thing about checked exceptions is that your code becomes much more expressive and is better understandable. I know that I am fighting a losing battle with this argument. Today, most people find it particularly cool to write short functional code without adding a single line of comment.
I think that the founders of Java really thought that expressive code would be a step forward from the then dominant C and C++ language style.

Amazon Fargate For Containers

May 08, 2023 · Rahul Nagpure

This is once again the usual list of Amazon's marketing promises.
Fargate is a comparatively costly solution that makes you completely dependent on AWS. It is not difficult to run your own Kuberenetes cluster - save money and stay in control.

Are You Crazy Still Using JSF?

Sep 30, 2022 · Ralph Soika

There are a lot of tutorial like https://mkyong.com/tutorials/jsf-2-0-tutorials/

and Books : https://www.amazon.de/Definitive-Guide-Jakarta-Faces-Applications/dp/1484273095

Is Spring Boot Still State of the Art?

Jan 17, 2022 · Ralph Soika

Yes, where authentication/authorization is part of jakarta EE, Microprofile provides microservice specific aspects like healthcheck, metrics, configuration, fault tolerance, tracing, openapi... of course a lot of them where inspired by spring ;-)

Is Spring Boot Still State of the Art?

Jan 14, 2022 · Ralph Soika

As long as you write your code cleanly against the API and not against the implementation, this is almost not the case. At Spring, you often implement against the implementation, which can lead to problems.

JSON vs. XML: Is One Really Better Than the Other?

Jun 05, 2021 · Mariana Berga

Great article!
Your argument of better performance of JSON vs. XML is not always valid in my eyes.
Processing a complex JSON structure, a developer can make many faults affecting the performance. On the other hand XSLT is a high end processing technology to analyse, extract and transform even very complex XML data structure in a very fast way. It is not guaranteed that an unexperienced JSON developer can process data faster.

Top Microservices Frameworks

May 31, 2021 · Ravi Kiran Mallidi

Why did you have miss Eclipse Microprofile?

Configure Kubernetes Network With Flannel

Oct 05, 2020 · Sudip Sengupta

What is the reason for setting:

net.bridge.bridge-nf-call-iptables=1
How To Use Optionals in Java

Sep 10, 2020 · Justin Albano

Thanks for this great article!
I had never thought about the possibilities of using Optional in Java. What is interesting is that Optional only provides a partial solution. The hint that a method returning optionals should never return null should also apply to a good API design in general, which fixes the problem of the NPE too.

Microservices Using the Saga Pattern

Mar 16, 2020 · Saurabh Dashora

I have written an article describing how to solve the problem using the Imixs-Workflow Microservice: https://dzone.com/articles/microservices-and-business-transactions

Monitoring Docker Swarm

Aug 23, 2019 · Ralph Soika

Yes, I think the global option did not work in this case.

Monitoring Docker Swarm

Aug 23, 2019 · Ralph Soika

It is important that you take care of the 'node-exporter' job description in the prometheus.yml file. You need to add the service name from every node. Also you may take a look here.

Microservices Architectures: Event Driven Approach

Jun 21, 2019 · Jordan Baker

I like your article, but I think you have overlooked the rquirement of Business Transactions.

Business Transactions are the hidden dependencies between loosely coupled services.

I wrote this article about how to solve this kind of problem with the Microservice Saga Pattern.

Jakarta EE Without javax: The World Won't End This Time Either

May 30, 2019 · Michael_Gates

See also the Blog from BJ Hargrave: I am an Incrementalist: Jakarta EE and package renaming. I am hopuflly that things will be solved at the end. In my eyes Oracle's position was and still is idiotic.

10 Basic Facts About Kubernetes That You Didn’t Know

May 06, 2019 · Matthieu Robin

I'm sorry, but I think you're telling again the same fairy tale about Docker Swarm compared to Kubernetes.

Kubernetes was designed for very large environments and is ideal for this. Docker Swarm offers all those who operate less than 200 containers a lightweight but highly professional solution to manage containers. See an example here.

...An Oracle Database Cluster scales much better, but that's not an argument against MySQL...

How to Model Business Rules

May 28, 2018 · Ralph Soika

DMN is a good place to model parameter-based decision trees. This article is more about complex rules for process control within a BPMN model.

Using GitHub as a Maven Repository

May 22, 2018 · Anupam Gogoi

There is also a github-site plugin which can be used to automate the deployment process into a gihub repo. See this blog.

I agree with the authors concept. It is not wrong to store maven artefacts in github because you typically have no changes in the artifacts itself.

Microservices, Verticals, and Business Process Management?

Sep 07, 2016 · Ralph Soika

See also the sequel: "How to Design a Business Process Service Architecture"

A Brief Overview of Popular JS Frameworks: React, Angular, Bootstrap, and Polymer

Aug 30, 2016 · Tim Wenger

You may also take a look at Ben.JS. It's a plain small and minimalistic JavaScript framework for single-page-applications. Take a look if other solutions seem too be to heavy for your problem.

Microservices, Verticals, and Business Process Management?

Jun 27, 2016 · Ralph Soika

Yes you are right, each module has indeed its own workflow. However, these workflows depend also on the parent process. In my next blog I will explain how to couple services by modelling main and subprocesses. But the core idea is to keep out the process logic from the individual service layers.

Threads Considered Harmful

Mar 04, 2011 · Mr B Loid

Working with generic value objects and jpa is shown by the implementation of the ImixsEntityService EJB. This service ejb is provided by the Imixs Workflow Project. It can be used to store objects independent from a specific Entity Bean. Also queries with JPQL are possible. See: http://www.imixs.org/jee/examples/entityservice.html

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