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Enterprise Java
Serverless: Getting started with SLAppForge Sigma
Yo! C’mere. Lookn’ for somethn’? Serverless, ya? Up there. Go strait, ‘n take a right at da “Sigma” sign. (Well,…
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Enterprise Java
Serverless Revolution: the Good, the Bad and the Ugly
“It’s stupidity. It’s worse than stupidity: it’s a marketing hype campaign.” ‐ Richard Stallman commenting on cloud computing, Sep 2008…
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Core Java
JDK 10: FutureTask Gets a toString()
I’ve felt for a long time that, for most Java classes that have distinguishing attributes, developers should take the time…
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Core Java
Adding Visible Electronic Signatures To PDFs
I’m aware this is going to be a very niche topic. Electronically signing PDFs is far from a mainstream usecase.…
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Enterprise Java
SpringBoot Messaging with RabbitMQ
RabbitMQ is one of the popular message broker solutions and provides client libraries to be used from various programming languages including…
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Software Development
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…
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Core Java
JDK 10: Accessing Java Application’s Process ID from Java
A popular question on StackOverflow.com is, “How can a Java program get its own process ID?” There are several answers…
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Enterprise Java
How to fix Exception in thread “main” java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory in Java
This error means your code or any external library you are using in your application is using the SLF4J library, an…
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Enterprise Java
What is SecurityContext and SecurityContextHolder in Spring Security?
The SecurityContext and SecurityContextHolder are two fundamental classes of Spring Security. The SecurityContext is used to store the details of the currently…
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