JPA/Hibernate Persistence Context | Baeldung
java - EntityManager.close() Not Closing The Connections to Database Tomcat - Stack Overflow
Hibernate ORM 5.2.18.Final User Guide
java - When to use EntityManager.find() vs EntityManager.getReference() with JPA - Stack Overflow
Persistence: EntityManager (Enterprise JavaBeans 3.1)
JPA Architecture | Java Jazzle
Persistence: EntityManager (Enterprise JavaBeans 3.1)
Batch-Insert/Update with Spring Data and JPA | 4Soft GmbH
Java Persistence/Print version - Wikibooks, open books for an open world
spring - Could not open JPA EntityManager for transaction; nested exception is java.lang.IllegalStateException - Stack Overflow
JPA CascadeType - Junhyunny's Devlogs
Read High-Performance Java Persistence | Leanpub
aurelia - The EntityManager is closed? - Stack Overflow
Read High-Performance Java Persistence | Leanpub
Creating a Simple Jakarta Persistence Application | The IntelliJ IDEA Blog
Spring Batch - Reference Documentation
Persistence: EntityManager (Enterprise JavaBeans 3.1)
Reason why EntityManager is closed · Issue #7124 · doctrine/orm · GitHub
Get Session From EntityManager in Spring Boot - JavaTute
Error on Bulk operation · Issue #7467 · akeneo/pim-community-dev · GitHub
OpenJPA User's Guide
Hibernate ORM 5.2.18.Final User Guide
Spring Batch - Reference Documentation
Hibernate ORM 5.2.18.Final User Guide
java - Hibernate EntityManager.merge() does not update database - Stack Overflow
OpenJPA User's Guide
Cronjob running issue: The EntityManager is closed · Issue #5488 · mautic/mautic · GitHub
