Posts Tagged ‘spring’

Running your JUnit 5 integration test with an embedded elasticsearch on a random port (and optionally Spring Boot)

With recent versions of elasticsearch (5+) the learning curve for an integration test became a bit steeper but will result in a cleaner solution in the end. In this article I will describe how to set up your test with JUnit 5 to run your elasticsearch integration tests. I will also discuss how to make it work with Spring-Boot Test.

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Using a Spring Context within Hadoop Mappers and Reducers with environment specific property files

Bootstrapping a Spring Context from the classpath is quite simple, even from Mappers/Reducers in Hadoop. When you want to use enviroment specific property files it gets a bit harder. In our Mappers and Reducers we rely heavily on Spring Beans who perform the magic. Besides that we load different properties per environment (ie a MongoDB). After several iterations we came up with a nice solution. You can also leave out the Spring part and use this solution to broadcast Properties to all your Mappers/Reducers.

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