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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-10979" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-be4de200-1075-4569-a5e9-75b71bad0808" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10979" style="color: #3b73af; text-decoration: none">HHH-10979</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-10979" style="color: #3b73af; text-decoration: none">Shared Identity forces dependent class to be Serializable</a> </span> </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="pawel.solarski" id="email_pawel.solarski" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=pawel.solarski" style="color:#6c797f;; color: #3b73af; text-decoration: none">Pawel Solarski</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">Given the following code:<br>{code}<br></span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">public class DerivedIdExample extends JPARunner {<br><br> public static void main(String[] args) {<br> DerivedIdExample example = new DerivedIdExample();<br> example.withDBOpenAndClosed(() -> {<br> example.withTransaction(em -> {<br> EmployeeEntity employee = new EmployeeEntity(1L, "Pawel");<br> EmployeeInfo info = new EmployeeInfo(employee);<br> em.persist(employee);<br> em.persist(info);<br> });<br> });<br> }<br>}<br><br></span> <span class="diffcontext">@Entity<br>@IdClass(EmployeeEntityId.class)<br>class EmployeeEntity {<br><br> @Id<br> Long id;<br><br> @Id<br> String name;<br><br> Integer salary;<br><br> public EmployeeEntity() {<br> }<br><br> public EmployeeEntity(Long id, String name) {<br> this.id = id;<br> this.name = name;<br> }<br><br> public Integer getSalary() {<br> return salary;<br> }<br><br> public void setSalary(Integer salary) {<br> this.salary = salary;<br> }<br>}<br><br>@Entity<br>@IdClass(EmployeeEntityId.class)<br>class EmployeeInfo {<br><br> @Id<br> @OneToOne<br> @JoinColumns({<br> @JoinColumn(name="id_ref", referencedColumnName = "id"),<br> @JoinColumn(name="name_ref", referencedColumnName = "name")<br><br> })<br> EmployeeEntity employee;<br><br> public EmployeeInfo() {<br> }<br><br> public EmployeeInfo(EmployeeEntity employee) {<br> this.employee = employee;<br> }<br>}<br><br><br>/**<br> * Created by Pawel_Solarski on 7/20/2016.<br> */<br>class EmployeeEntityId implements Serializable {<br><br> private Long id;<br> private String name;<br><br> public EmployeeEntityId() {<br> }<br><br> public EmployeeEntityId(Long id, String name) {<br> this.id = id;<br> this.name = name;<br> }<br><br> public Long getId() {<br> return id;<br> }<br><br> public String getName() {<br> return name;<br> }<br>}<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">{code}</span> <span class="diffcontext"><br></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br>When executing the following code:<br></span> <span class="diffcontext">{code}<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">public class DerivedIdExample extends JPARunner {</span> <span class="diffcontext"><br></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br> public static void main(String[] args) {<br> DerivedIdExample example = new DerivedIdExample();<br> example.withDBOpenAndClosed(() -> {<br> example.withTransaction(em -> {<br> EmployeeEntity employee = new EmployeeEntity(1L, "Pawel");<br> EmployeeInfo info = new EmployeeInfo(employee);<br> em.persist(employee);<br> em.persist(info);<br> });<br> });<br> }<br>}<br>{code}<br><br></span> <span class="diffcontext">the exception is raised:<br>{code}<br>Jul 20, 2016 3:28:11 PM org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformation<br>INFO: HHH000204: Processing PersistenceUnitInfo [<br> name: mysql_hbm<br> ...]<br>Jul 20, 2016 3:28:12 PM org.hibernate.Version logVersion<br>INFO: HHH000412: Hibernate Core {5.2.1.Final}<br>Jul 20, 2016 3:28:12 PM org.hibernate.cfg.Environment <clinit><br>INFO: HHH000206: hibernate.properties not found<br>Jul 20, 2016 3:28:12 PM org.hibernate.cfg.Environment buildBytecodeProvider<br>INFO: HHH000021: Bytecode provider name : javassist<br>Jul 20, 2016 3:28:12 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit><br>INFO: HCANN000001: Hibernate Commons Annotations {5.0.1.Final}<br>Jul 20, 2016 3:28:12 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure<br>WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!)<br>Jul 20, 2016 3:28:12 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator<br>INFO: HHH10001005: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/test]<br>Jul 20, 2016 3:28:12 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator<br>INFO: HHH10001001: Connection properties: {user=root, password=****}<br>Jul 20, 2016 3:28:12 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator<br>INFO: HHH10001003: Autocommit mode: false<br>Jul 20, 2016 3:28:12 PM org.hibernate.engine.jdbc.connections.internal.PooledConnections <init><br>INFO: HHH000115: Hibernate connection pool size: 20 (min=1)<br>Wed Jul 20 15:28:12 CEST 2016 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.<br>Jul 20, 2016 3:28:12 PM org.hibernate.dialect.Dialect <init><br>INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect<br>Jul 20, 2016 3:28:13 PM org.hibernate.dialect.Dialect <init><br>INFO: HHH000400: Using dialect: org.hibernate.dialect.HSQLDialect<br>Jul 20, 2016 3:28:13 PM org.hibernate.mapping.RootClass checkCompositeIdentifier<br>WARN: HHH000038: Composite-id class does not override equals(): jpa.advanced.EmployeeEntityId<br>Jul 20, 2016 3:28:13 PM org.hibernate.mapping.RootClass checkCompositeIdentifier<br>WARN: HHH000039: Composite-id class does not override hashCode(): jpa.advanced.EmployeeEntityId<br>Jul 20, 2016 3:28:13 PM org.hibernate.mapping.RootClass checkCompositeIdentifier<br>WARN: HHH000038: Composite-id class does not override equals(): jpa.advanced.EmployeeInfo<br>Jul 20, 2016 3:28:13 PM org.hibernate.mapping.RootClass checkCompositeIdentifier<br>WARN: HHH000039: Composite-id class does not override hashCode(): jpa.advanced.EmployeeInfo<br>Exception in thread "main" javax.persistence.PersistenceException: [PersistenceUnit: mysql_hbm] Unable to build Hibernate SessionFactory<br> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:961)<br> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:891)<br> at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:58)<br> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:55)<br> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:39)<br> at jpa.JPARunner.<init>(JPARunner.java:18)<br> at jpa.advanced.DerivedIdExample.<init>(DerivedIdExample.java:11)<br> at jpa.advanced.DerivedIdExample.main(DerivedIdExample.java:14)<br> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br> at java.lang.reflect.Method.invoke(Method.java:498)<br> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)<br>Caused by: org.hibernate.MappingException: Composite-id class must implement Serializable: jpa.advanced.EmployeeInfo<br> at org.hibernate.mapping.RootClass.checkCompositeIdentifier(RootClass.java:291)<br> at org.hibernate.mapping.RootClass.validate(RootClass.java:274)<br> at org.hibernate.boot.internal.MetadataImpl.validate(MetadataImpl.java:329)<br> at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:482)<br> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:888)<br> ... 11 more<br>{code}<br><br>and when class EmployeeInfo implements Serializable, the problem is gone.<br><br>Based on the JSR 338, chapter 2.4.1.3 examples, the dependent class is not serializable in any case and does not seen to be spec requirement.<br><br></span> </td>
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