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JPA Pitfalls (7): Null Parameter

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe issues with using null parameter values. Setting the value...

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JPA Pitfalls (8): Navigation of Relationships

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe unexpected results of navigational JPQL queries....

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JPA Pitfalls (9): UPDATE/DELETE and Persistence Context

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe bulk the effect of JPQL operations on the EntityManager...

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JPA Pitfalls (10): Query Flush Mode

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe unexpected results of JPQL queries with respect of the...

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JPA Pitfalls (11): Iteration / Sorting in Memory or in DB

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe a potential problem when filtering in memory instead of...

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JPA Pitfalls (12): Lazy Loading of Relationships in a Loop

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe a potential performance problem when loading relationships...

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JPA Pitfalls (13): EntityManager.merge Result

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe a common error when using EntityManager.merge. The...

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JPA Pitfalls (14): EntityManager.persist and Transactions

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe the result of EntityManager.persist inside and outside of...

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Yes, Rust has Garbage Collection, and a Fast One

Rust is getting more and more popular. Thus, a group of colleagues, including myself, evaluated it for half a day to build up our own opinion, if Rust is of strategic interest for us or not. We did...

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JPA Pitfalls (15): Merge DTO into Entity

This blog article is part of a “series of blog articles” about common pitfalls using JPA and ways to avoid them. In this article, we describe a problem with unextected changes when using DTOs. A lot...

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