Thorben Janssen

Thorben Janssen is a senior developer with more than 10 years of experience in Java EE development and architecture. During these years he acted as developer, architect, project and/or technical lead to create high available, clustered mobile billing solutions and laboratory information management systems.

Enterprise Java
Thorben JanssenApril 24th, 2017
0 459
Hibernate Logging: Tips and Solutions to Common Problems
How to solve some of the most common Hibernate issues with proper logging? Hibernate’s logging configuration is an important but…
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Enterprise Java
Thorben JanssenJune 30th, 2016
0 331
5 Common Hibernate Exceptions and How to Fix Them
See how you can easily solve the most common issues with Hibernate Hibernate is probably the most popular JPA implementation…
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Enterprise Java
Thorben JanssenDecember 15th, 2014
1 42
5 ways to initialize lazy relations and when to use them
Lazy loading of relations between entities is a well established best practice in JPA. Its main goal is to retrieve…
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Enterprise Java
Thorben JanssenJune 27th, 2014
0 45
Java EE Pitfalls #1: Ignore the default lock of a @Singleton
EJB Singleton Beans were introduced by the EJB 3.1 specification and are often used to store cached data. This means,…
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Enterprise Java
Thorben JanssenJune 13th, 2014
0 68
Testing with Aliens: How to test a JPA type converter with Arquillian
This post was written together with +Aslak Knutsen (@aslakknutsen). JPA type converters provide an easy way to define how an…
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Enterprise Java
Thorben JanssenJune 5th, 2014
0 53
How to use a JPA Type Converter to encrypt your data
A few days ago, I read an interesting article by Bear Giles about Database encryption using JPA listeners from 2012.…
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Enterprise Java
Thorben JanssenMay 29th, 2014
5 351
JPA 2.1 Entity Graph – Part 2: Define lazy/eager loading at runtime
This is my second post on JPA 2.1 Entity Graphs. The first post described the usage of named entity graphs.…
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Enterprise Java
Thorben JanssenMay 28th, 2014
1 145
JPA 2.1 Entity Graph – Part 1: Named entity graphs
Lazy loading was often an issue with JPA 2.0. You have to define at the entity if you want to…
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Enterprise Java
Thorben JanssenMay 27th, 2014
2 767
Generate your JAXB classes in a second with xjc
Since JAXB is part of the JDK, it is one of the most often used frameworks to process XML documents.…
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