Eleven Patterns, Problems & Solutions related to Microservices and in particular Distributed Architectures

The wish to fulfil certain system quality attributes lead us to choose microservice architectures, which by their very nature are distributed, meaning that…

Read More »

Kafka Record Patterns for Data Replication

Imagine going down to your local milkshake bar and signing a contract with the owner so that you could purchase…

Read More »

Java problem with mutual TLS authentication when using incoming and outgoing connections simultaneously

In most enterprise environments some form of secure communication (e.g. TLS or SSL) is used in connections between applications. In…

Read More »

Revisiting Global Data Consistency in Distributed (Microservice) Architectures

Back in 2015 I wrote a couple of articles about how you can piggyback a standard Java EE Transaction Manager…

Read More »

Global Data Consistency, Transactions, Microservices and Spring Boot / Tomcat / Jetty

We often build applications which need to do several of the following things together: call backend (micro-) services, write to…

Read More »

Several Patterns for Binding Non-transactional Resources into JTA Transactions

I recently published an article about how to bind non-transactional resources like web services / microservices into global distributed transactions…

Read More »

Mysql versions prior to 5.7 do not fully support two phase commit

While doing some tests for the recently released generic JCA adapter which is capable of binding remote calls to microservices…

Read More »

Global Data Consistency in Distributed (Microservice) Architectures

I’ve published a generic JCA resource adapter on Github available from Maven (ch.maxant:genericconnector-rar) with an Apache 2.0 licence. This let’s…

Read More »

Is Asynchronous EJB Just a Gimmick?

In previous articles (here and here) I showed that creating non-blocking asynchronous applications could increase performance when the server is…

Read More »