Archive

Posts Tagged ‘spring’

How to remotely reload classes with Spring Developer Tools without opening extra ports

With Spring Developer Tools it is possible to reload classes on a local or remote machine from within your IDE without using JPDA. In this article I’ll show you how to do this and how to prevent this from happening on your production environment.

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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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