[hibernate-issues] [Hibernate-JIRA] Commented: (HBX-1075) Single table inhertance failed on hbm2ddl
Max Rydahl Andersen (JIRA)
noreply at atlassian.com
Mon Jul 14 17:50:42 EDT 2008
[ http://opensource.atlassian.com/projects/hibernate/browse/HBX-1075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_30659 ]
Max Rydahl Andersen commented on HBX-1075:
------------------------------------------
1) The error talks about unknown references which in *most* cases is caused by classpath issues - have you chekked that ?
2) You are using some maven ant task which might cause #1 - did you try without Maven in the mix ?
3) Could you please provide a testcase that shows it failing ? (e.g. the build.xml test script)
> Single table inhertance failed on hbm2ddl
> -----------------------------------------
>
> Key: HBX-1075
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-1075
> Project: Hibernate Tools
> Issue Type: Bug
> Affects Versions: 3.2.1
> Reporter: louie
>
> We are reporting an issue during the database schema generating process using hbm2ddl tools against some entities using single-table inheritance strategy. It works fine for the simple hierarchy entity mappings. It breaks down when we try to modeling the data using single-table inheritance in relational entities. Here is one example:
> The main object:
> @Entity
> @Inheritance(strategy=InheritanceType.SINGLE_TABLE)
> @DiscriminatorValue("S")
> public class MySub1 extends AbstractMySuper {
>
> @ManyToOne(fetch = FetchType.EAGER)
> private MySub1 underlying;
>
> @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy="mysub1")
> private List<ExcludedMySub1> excludedSub1;
>
> @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy="mysub1")
> private List<IncludedMySub1> includedSub1;
>
> ...
> }
> The relationship super-class:
> @Entity
> @Inheritance(strategy=InheritanceType.SINGLE_TABLE)
> @DiscriminatorColumn(name="myType",discriminatorType=DiscriminatorType.STRING, length=1)
> public abstract class AbstractMySub1 {
>
> @Id
> @SequenceGenerator(name = "AbstractMySub1", sequenceName = "AbstractMySub1_id")
> @GeneratedValue(generator = "AbstractMySub1")
> @Column(precision=5)
> private int id;
> @ManyToOne(cascade={CascadeType.PERSIST,CascadeType.MERGE, CascadeType.REFRESH})
> private MySub1 mysub1;
> ...
> }
> The relationship sub-classes:
> @Entity
> @DiscriminatorValue("I")
> public class IncludedMySub1 extends AbstractMySub1 {
> }
> @Entity
> @DiscriminatorValue("E")
> public class ExcludedMySub1 extends AbstractMySub1 {
> }
> I got the following error:
> [hibernatetool] Problems in creating a configuration for JPA. Have you remembered to add hibernate EntityManager jars to the classpath ?
> [hibernatetool] java.lang.reflect.InvocationTargetException
> [hibernatetool] javax.persistence.PersistenceException: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: ExcludedMySub1.mysub1 in MySub1.excludedSub1
> [hibernatetool] org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: ExcludedMySub1.mysub1 in MySub1.excludedSub1
> [INFO] ------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO] ------------------------------------------------------------------------
> [INFO] Error executing ant tasks
> Embedded error: Problems in creating a configuration for JPA. Have you remembered to add hibernate EntityManager jars to the classpath ?
> mappedBy reference an unknown target entity property: ExcludedMySub1.mysub1 in MySub1.excludedSub1
> [INFO] ------------------------------------------------------------------------
> [INFO] Trace
> org.apache.maven.lifecycle.LifecycleExecutionException: Error executing ant tasks
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:583)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:499)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:478)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Caused by: org.apache.maven.plugin.MojoExecutionException: Error executing ant tasks
> at org.apache.maven.plugin.antrun.AbstractAntMojo.executeTasks(AbstractAntMojo.java:114)
> at org.apache.maven.plugin.antrun.AntRunMojo.execute(AntRunMojo.java:83)
> at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
> at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558)
> ... 16 more
> Caused by: Problems in creating a configuration for JPA. Have you remembered to add hibernate EntityManager jars to the classpath ?
> at org.hibernate.tool.ant.JPAConfigurationTask.createConfiguration(JPAConfigurationTask.java:57)
> at org.hibernate.tool.ant.ConfigurationTask.getConfiguration(ConfigurationTask.java:54)
> at org.hibernate.tool.ant.HibernateToolTask.getConfiguration(HibernateToolTask.java:302)
> at org.hibernate.tool.ant.Hbm2DDLExporterTask.execute(Hbm2DDLExporterTask.java:45)
> at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:186)
> at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> at org.apache.tools.ant.Task.perform(Task.java:364)
> at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:64)
> at net.sf.antcontrib.logic.IfTask.execute(IfTask.java:197)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:123)
> at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
> at org.apache.tools.ant.Task.perform(Task.java:364)
> at org.apache.tools.ant.Target.execute(Target.java:341)
> at org.apache.maven.plugin.antrun.AbstractAntMojo.executeTasks(AbstractAntMojo.java:108)
> ... 19 more
> Caused by: java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.hibernate.tool.ant.JPAConfigurationTask.createConfiguration(JPAConfigurationTask.java:43)
> ... 36 more
> Caused by: javax.persistence.PersistenceException: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: ExcludedMySub1.mysub1 in MySub1.excludedSub1
> at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:258)
> ... 41 more
> Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property:ExcludedMySub1.mysub1 in MySub1.excludedSub1
> at org.hibernate.cfg.annotations.CollectionBinder.bindStarToManySecondPass(CollectionBinder.java:552)
> at org.hibernate.cfg.annotations.CollectionBinder$1.secondPass(CollectionBinder.java:517)
> at org.hibernate.cfg.CollectionSecondPass.doSecondPass(CollectionSecondPass.java:43)
> at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1136)
> at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:316)
> at org.hibernate.cfg.Configuration.buildMappings(Configuration.java:1121)
> at org.hibernate.ejb.Ejb3Configuration.buildMappings(Ejb3Configuration.java:1269)
> at org.hibernate.ejb.EventListenerConfigurator.configure(EventListenerConfigurator.java:150)
> at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:888)
> at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:186)
> at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:246)
> ... 41 more
> [INFO] ------------------------------------------------------------------------
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