I wanted to do a little sample application in Kotlin. I’m getting tired of using JPA for all the things, so I decided to try out MyBatis. I had used MyBatis with great success years ago, .. READ MORE
MyBatis and Kotlin
on April 18, 2018
Getting Groovy with Mongo Monitoring
on April 3, 2018
MongoDB does something interesting that we aren’t used to in the Java world – if you use the MongoClient object, it manages the pooling for you on the server side. This is different than how .. READ MORE
RestTemplate Status Code Handling
on February 6, 2018
I was writing a Spring Boot microservice that called an external service. If the service returned a `500`, the payload of the response had an error code that we wanted to send back to the .. READ MORE
Missing Codecs in MongoDB
on November 28, 2017
When upgrading a project’s Mongo driver from 2.13.0 to 3.4.2, we got the following exception: org.bson.codecs.configuration.CodecConfigurationException: can’t find a codec for class java.math.BigDecimal. Well it seems that Mongo doesn’t support BigDecimal any longer. There we .. READ MORE
Handy Gradle Recipes
on November 8, 2017
I’ve been trying to simplify my tools lately – less reliance on Intelij IDEA and using the command line more and more. At times, I feel like my workflow has sped up because of a .. READ MORE
Getting XML Directly from PostgreSQL
on September 22, 2017
There was a discussion on our company Slack recently about databases and XML, and someone pointed out that PostgreSQL has some nice XML functions. I’m a Postgres fan and knew that it had some XML .. READ MORE
Exciting things in Spring Boot 2
on June 27, 2017
I looked at the release notes for Spring Boot 2.0.0.M1 not expecting a lot of exciting changes but was surprised by some compelling things. There is the usual “deprecated classes are removed” and “Dependency X .. READ MORE
Database Migrations in Flyway
on June 21, 2017
The concept of data migrations has been around for a long time and in the past, they have been projects that are separated from the main project, mostly with SQL script to change the tables, .. READ MORE
Easily Convert from Ant to Gradle
on May 4, 2017
I stumbled onto an old application that hasn’t been touched for many years. The code was honestly well-written but it used Ant (without Ivy) to build. That is cumbersome in this day and age. I .. READ MORE
Camel is closing JPA sessions
on March 9, 2017
So I was writing a simple Camel route where I was fetching a JPA-backed entity on one step and then using it on another. While executing that second step, I got this error: org.hibernate.LazyInitializationException: could .. READ MORE