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http://jira.codehaus.org/browse/MHIBERNATE-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=158727#action_158727
]
Julien HENRY commented on MHIBERNATE-75:
----------------------------------------
Please release an new version of the plugin to fix this bug.
Thanks
> DuplicateMappingException: Duplicate class/entity mapping
> ---------------------------------------------------------
>
> Key: MHIBERNATE-75
> URL: http://jira.codehaus.org/browse/MHIBERNATE-75
> Project: Maven 2.x Hibernate Plugin
> Issue Type: Bug
> Components: hbm2java
> Affects Versions: 2.1
> Environment: Windows XP, Java 1.6.0_03, Maven 2.0.9
> Reporter: Marc Meermans
> Assignee: Johann Reyes
> Fix For: 2.2
>
>
> I've been having problems with the plugin recently when rebuilding my
> projects (see log below). Removing the entries from 'hibernate.cfg.xml' helps
> but leads to another issue, namely an ExporterException: 'unable to create
> directory' (see issue) . Why, if I specify the plugin to use the
> configuration (<implementation>configuration</implementation>), it still
> scans my project for mapping definitions?
> [INFO] Scanning for projects...
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building xyz
> [INFO] task-segment: [clean, install]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] [clean:clean]
> [INFO] Deleting directory
> Q:\java\eclipse\workspaces\java_uccs\trunk\xyz\target
> [INFO] Preparing hibernate3:hbm2java
> [WARNING] Removing: hbm2java from forked lifecycle, to prevent recursive
> invocation.
> [INFO] [resources:resources]
> [INFO] Using default encoding to copy filtered resources.
> [INFO] [hibernate3:hbm2java {execution: default}]
> [INFO] using configuration task.
> 11:29:22,121 INFO org.hibernate.cfg.Environment - Hibernate 3.2.5
> 11:29:22,121 INFO org.hibernate.cfg.Environment - hibernate.properties not
> found
> 11:29:22,121 INFO org.hibernate.cfg.Environment - Bytecode provider name :
> cglib
> 11:29:22,121 INFO org.hibernate.cfg.Environment - using JDK 1.4
> java.sql.Timestamp handling
> [INFO] Configuration XML file loaded:
> file:/Q:/java/eclipse/workspaces/java_uccs/trunk/xyz/src/main/resources/hibernate.cfg.xml
> 11:29:22,184 INFO org.hibernate.cfg.Configuration - configuring from url:
> file:/Q:/java/eclipse/workspaces/java_uccs/trunk/xyz/src/main/resources/hibernate.cfg.xml
> 11:29:22,277 INFO org.hibernate.cfg.Configuration - Reading mappings from
> resource : nl/enovation/cloverleaf/customers/bronovo/dao/Berichten.hbm.xml
> 11:29:22,387 INFO org.hibernate.cfg.HbmBinder - Mapping class:
> xyz.dao.Berichten -> Berichten
> 11:29:22,402 INFO org.hibernate.cfg.Configuration - Reading mappings from
> resource : nl/enovation/cloverleaf/customers/bronovo/dao/Queries.hbm.xml
> 11:29:22,449 INFO org.hibernate.cfg.Configuration - Configured
> SessionFactory: null
> [INFO] Configuration Properties file loaded:
> Q:\java\eclipse\workspaces\java_uccs\trunk\xyz\src\main\resources\database.properties
> 11:29:22,449 INFO org.hibernate.cfg.Configuration - Reading mappings from
> file:
> Q:\java\eclipse\workspaces\java_uccs\trunk\xyz\target\classes\nl\enovation\cloverleaf\customers\bronovo\dao\Berichten.hbm.xm
> l
> 11:29:22,496 INFO org.hibernate.cfg.Mappings - duplicate import:
> xyz.dao.Berichten->xyz.dao.Berichten
> 11:29:22,496 INFO org.hibernate.cfg.Mappings - duplicate import:
> xyz.dao.Berichten->Berichten
> 11:29:22,496 INFO org.hibernate.cfg.HbmBinder - Mapping class:
> xyz.dao.Berichten -> Berichten
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Could not parse mapping document from file
> Q:\java\eclipse\workspaces\java_uccs\trunk\xyz\target\classes\nl\enovation\cloverleaf\customers\bronovo\dao\Berichten.hbm.xml
> Duplicate class/entity mapping xyz.dao.Berichten
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> org.hibernate.InvalidMappingException: Could not parse mapping document from
> file
> Q:\java\eclipse\workspaces\java_uccs\trunk\xyz\target\classes\nl\enovation\cloverleaf\customers\bronovo\dao\Berichten.hbm.x
> ml
> at org.hibernate.cfg.Configuration.addFile(Configuration.java:319)
> at
> org.hibernate.cfg.Configuration.addDirectory(Configuration.java:662)
> at
> org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
> at
> org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
> at
> org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
> at
> org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
> at
> org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
> at
> org.hibernate.cfg.Configuration.addDirectory(Configuration.java:659)
> at
> org.codehaus.mojo.hibernate3.configuration.DefaultComponentConfiguration.doConfiguration(DefaultComponentConfiguration.java:30)
> at
> org.codehaus.mojo.hibernate3.configuration.AbstractComponentConfiguration.getConfiguration(AbstractComponentConfiguration.java:40)
> at
> org.codehaus.mojo.hibernate3.HibernateExporterMojo.configureExporter(HibernateExporterMojo.java:188)
> at
> org.codehaus.mojo.hibernate3.exporter.Hbm2JavaGeneratorMojo.configureExporter(Hbm2JavaGeneratorMojo.java:69)
> at
> org.codehaus.mojo.hibernate3.HibernateExporterMojo.doExecute(HibernateExporterMojo.java:268)
> at
> org.codehaus.mojo.hibernate3.HibernateExporterMojo.execute(HibernateExporterMojo.java:140)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558)
> 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.hibernate.DuplicateMappingException: Duplicate class/entity
> mapping xyz.dao.Berichten
> at org.hibernate.cfg.Mappings.addClass(Mappings.java:118)
> at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:145)
> at org.hibernate.cfg.Configuration.add(Configuration.java:669)
> at org.hibernate.cfg.Configuration.addFile(Configuration.java:309)
> ... 31 more
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 6 seconds
> [INFO] Finished at: Tue Apr 15 11:29:22 CEST 2008
> [INFO] Final Memory: 13M/26M
> [INFO]
> ------------------------------------------------------------------------
> == plugin configuration ==
> <plugin>
> <groupId>org.codehaus.mojo</groupId>
> <artifactId>hibernate3-maven-plugin</artifactId>
> <executions>
> <execution>
> <goals>
> <goal>hbm2java</goal>
> </goals>
> </execution>
> </executions>
> <configuration>
> <components>
> <component>
> <name>hbm2java</name>
>
> <outputDirectory>${project.build.directory}/generated-sources/hibernate3</outputDirectory>
> </component>
> </components>
> <componentProperties>
> <implementation>configuration</implementation>
> <packagename>xyz.dao</packagename>
>
> <revengfile>${basedir}/src/main/resources/hibernate.reveng.xml</revengfile>
> </componentProperties>
> </configuration>
> </plugin>
> === hibernate.cfg.xml ===
> <?xml version='1.0' encoding='utf-8'?>
> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate
> Configuration DTD 3.0//EN"
> "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd";>
> <hibernate-configuration>
> <session-factory>
> <property name="hibernate.connection.pool_size">1</property>
> <property name="current_session_context_class">thread</property>
> <property
> name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
> <property name="show_sql">true</property>
> <!--property name="hbm2ddl.auto">validate</property-->
> <mapping resource="xyz/dao/Berichten.hbm.xml" />
> <mapping resource="xyz/dao/Queries.hbm.xml" />
> </session-factory>
> </hibernate-configuration>
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