Deploy Vaadin App to Google Cloud App Engine with Java 17

Today I tried to deploy a Vaadin application to Google Cloud App Engine It was not as straightforward as expected so I want to share my findings.

How to use jOOQ with Testcontainers, and Flyway

When using a database the question is how to manage the versions of the schema and how to use the database in testing. Container technologies became a defacto standard. Why not[...]

Visualize Message Flow with Vaadin & Neo4j

Analyzing and visualizing the message flow between business functions was the goal of my current project. At first, we considered using a UML tool for this job, but we came to the[...]

Vaadin and jOOQ – a Match Made in Heaven

Have you ever had to write an application that didn’t do much other than display and change data? And did you use a Single Page Application framework like Angular, a REST API,[...]

Vaadin Lazy Loading Techniques

When using grids, trees, or any other of the multi-valued component with Vaadin you often want to display data from a database table, and typically you have more than a few rows[...]

Type Safe SQL in Java with jOOQ

No matter if you are using frameworks like JPA, MyBatis or Spring Data JDBC you always end up declaring the SQL statements as a Java String.

JPA Inheritance Strategies

Relational databases have tables and columns and object-oriented programming languages have classes and fields but they also provide inheritance.

JPA Enums: Mapping Strategies and Trade-Offs

With JPA it’s possible to map Java enums to columns in a database table using the Enumerated annotation.