Hi, I am upgrading our project to wildfly 30 with latest spring, hibernate-core with java 17. While deploying the server, I am facing this issue java.lang.NoClassDefFoundError: javax/transaction/Sy ...

When domain class is marked as not versioned (no optimistic locking), then application won't start. It will fail with exception: Caused by: org.springframework.beans.BeanInstantiationException: Failed ...

Hibernate 5 has updated dialects for various databases, and MySQL 8 has a special one of its own. Here's an example hibernate.cfg.xml for MySQL 8 for Hibernate 5 apps or newer.

Starting with Java SE 11, and for the first time in the programming language’s history, you can execute a script containing Java code directly without compilation. The Java 11 source execution ...

We present a quantum mechanical model capable of describing isotropic compression of single atoms in a non-reactive neon-like environment. Studies of 93 atoms predict drastic changes to ground-state ...

If you face following exception while deploying your application in tomcat:org.apache.catalina.lifecycleexception: failed to start component [standardengine [catalina].standardhost ...

Unit-testing should have as few barriers as possible. For relational databases those barriers range from external dependencies to speed to keeping the relational schema synchronized with your object ...