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Index Data from a Relational Database into Elasticsearch – 1

java-interview-questions-answers

Elasticsearch provides powerful search capabilities with support for sharding and replication of the data. So we would want to index data available in our DB into Elasticsearch. There are multiple ways to index data into Elasticsearch: Use Logstash to setup source as DB and sink as Elasticsearch and use a filter if required to build JSON object. Use an external ...

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Debugging Grails 3, Spring Boot or Gradle with Eclipse

This is a small post for those who’s primary IDE is Eclipse for developing Grails 3 apps or plugins — and are still wondering how to debug their application. First of all, to clarify: there’s no “Grails” debugging, it’s just Spring Boot and Gradle these days, with Grails 3. Any way to debug these kind of applications allows you to ...

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Becoming an Agile Leader, Part 5: Learning to Learn

To summarize: your agile transformation is stuck. You’ve thought about your why, as in Becoming an Agile Leader, Part 1: Define Your Why. You’ve started to measure possibilities. You have an idea of who you might talk with as in Becoming an Agile Leader, Part 2: Who to Approach. You’ve considered who you need as allies and how to enlist them in Becoming an Agile Leader, ...

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DMN 1.1 XML: from modeling to automation with Drools 7.0

I am a freelance consultant, but I am acting today as a PhD student. The global context of my thesis is Enterprise Architecture (EA), which requires to model the Enterprise. As one aspect of EA is business process modeling, I am using BPMN from years, but this notation is not very appropriate to represent decision criteria: a cascade of nested ...

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Project Amber: Smaller, Productivity-Oriented Java Language Features

Brian Goetz‘s recent message Welcome to Amber! introduces Project Amber (part of OpenJDK and proposed originally in January). Goetz opens the message with the introduction, “Welcome to Project Amber, our incubation ground for selected productivity-oriented Java language JEPs.” Goetz reiterates that Project Amber is not for discussing ideas for arbitrary potential new language features, but rather is for collecting new ...

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What craftsmanship means to me

Over a decade ago now I got my first team lead role. It was a reasonably unexpected promotion when the existing team lead left shortly after I joined. This baptism of fire introduced me to line management, but also made me question my career choice. But it was, in hindsight, the beginning of a new journey: of becoming a software ...

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What do you mean… Done?

The Monday status meeting is drawing a close. Doris the development manager was keen to start working through a file of resumes on her desk, Sarah the lead developer knew her pair Jo had started coding without her, Peter the product manager was on a flight to Madrid in a couple of hours, but Pat… Pat the Project Manager was ...

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Distributing Election Volunteers In Polling Stations

There’s an upcoming election in my country, and I’m a member of the governing body of one of the new parties. As we have a lot of focus on technology (and e-governance), our internal operations are also benefiting from some IT skills. The particular task at hand these days was to distribute a number of election day volunteers (that help ...

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