#4479 - upgrade SecurisServer to Java 21

Joaquín Reñé

yesterday 9430a83dde5d7c3f4535f6c3a5f9e21ac68ac8fa

 securis/src/main/java/net/curisit/securis/ioc/EntityManagerProvider.java
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@@ -3,6 +3,7 @@
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 */
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 package net.curisit.securis.ioc;
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+import jakarta.annotation.PostConstruct;
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 import jakarta.enterprise.context.ApplicationScoped;
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 import jakarta.persistence.EntityManager;
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 import jakarta.persistence.EntityManagerFactory;
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@@ -27,15 +28,27 @@
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 @ApplicationScoped
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 public class EntityManagerProvider {
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-    @SuppressWarnings("unused")
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     private static final Logger log = LogManager.getLogger(EntityManagerProvider.class);
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     /** 
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      * entityManagerFactory<p>
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      * Application-wide EMF built from persistence.xml PU "localdb". 
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      */
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-    private final EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("localdb");
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+    //private final EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("localdb");
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+    private EntityManagerFactory entityManagerFactory;
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+    @PostConstruct
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+    public void init() {
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+        try {
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+            log.info("Initializing EntityManagerFactory with persistence unit 'localdb'");
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+            entityManagerFactory = Persistence.createEntityManagerFactory("localdb");
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+            log.info("EntityManagerFactory initialized correctly: {}", entityManagerFactory);
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+        } catch (Exception e) {
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+            log.error("Error creating EntityManagerFactory for persistence unit 'localdb'", e);
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+            entityManagerFactory = null;
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+        }
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+    }
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+    
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     /**
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     * getEntityManager<p>
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     * Create a new {@link EntityManager}.
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@@ -43,6 +56,17 @@
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     * @return a new EntityManager; caller must close it
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     */
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     public EntityManager getEntityManager() {
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-        return entityManagerFactory.createEntityManager();
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+        try {
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+            if (entityManagerFactory == null) {
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+                log.error("EntityManagerFactory is null");
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+                return null;
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+            }
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+            EntityManager em = entityManagerFactory.createEntityManager();
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+            log.info("Created EntityManager: {}", em);
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+            return em;
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+        } catch (Exception e) {
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+            log.error("Error creating EntityManager", e);
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+            return null;
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+        }
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     }
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 }