new persistence work

spring-exceptions/src/main/java/org/baeldung/ex/mappingexception/cause4/persistence/model/Foo.java

@@ -0,0 +1,31 @@
+package org.baeldung.ex.mappingexception.cause4.persistence.model;
+
+import java.io.Serializable;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class Foo implements Serializable {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private long id;
+
+    public Foo() {
+        super();
+    }
+
+    // API
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(final long id) {
+        this.id = id;
+    }
+
+}

spring-exceptions/src/main/resources/hibernate-mysql.properties

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+hibernate.connection.username=tutorialuser
+hibernate.connection.password=tutorialmy5ql
+hibernate.connection.driver_class=com.mysql.jdbc.Driver
+hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
+#hibernate.connection.datasource=jdbc:mysql://localhost:3306/spring_hibernate4_exceptions?createDatabaseIfNotExist=true
+hibernate.connection.url=jdbc:mysql://localhost:3306/spring_hibernate4_exceptions?createDatabaseIfNotExist=true
+hibernate.show_sql=false
+hibernate.hbm2ddl.auto=create

spring-exceptions/src/test/java/org/baeldung/ex/mappingexception/Cause4MappingExceptionIntegrationTest.java

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+package org.baeldung.ex.mappingexception;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import org.baeldung.ex.mappingexception.cause4.persistence.model.Foo;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.hibernate.cfg.Configuration;
+import org.hibernate.service.ServiceRegistry;
+import org.hibernate.service.ServiceRegistryBuilder;
+import org.junit.Test;
+
+public class Cause4MappingExceptionIntegrationTest {
+
+    // tests
+
+    @Test
+    public final void givenEntityIsPersisted_thenException() throws IOException {
+        final Configuration configuration = new Configuration();
+
+        final InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("hibernate-mysql.properties");
+        final Properties hibernateProperties = new Properties();
+        hibernateProperties.load(inputStream);
+        configuration.setProperties(hibernateProperties);
+
+        configuration.addAnnotatedClass(Foo.class);
+
+        final ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();
+        final SessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);
+
+        final Session session = sessionFactory.openSession();
+        session.beginTransaction();
+        session.saveOrUpdate(new Foo());
+        session.getTransaction().commit();
+    }
+
+}