I have got a Exception when i attempt to use a bidirectional one-to- many relation. single one-to-many, or many-to-one, or many-to-many works fine, only the bidirectional failed.
... <many-to-one name="person" column = "Person_ID" class="com.my.domain.Person" not-null="false" lazy ="false"/> .... ... <set name="projectsToThisPerson" cascade ="all" lazy ="true" > <key column="PERSON_ID" not-null="false" ></key> <one-to-many class="com.my.domain.Project" /> </set> ... java.lang.RuntimeException: java.lang.ClassCastException: $Proxy22 cannot be cast to org.hibernate.impl.SessionImpl at net.sf.gilead.core.beanlib.merge.MergePropertyFilter.propagate(MergePropertyFilter.java: 221) at net.sf.beanlib.provider.BeanPopulator.doit(BeanPopulator.java:186) at net.sf.beanlib.provider.BeanPopulator.processSetterMethod(BeanPopulator.java: 172) at net.sf.beanlib.provider.BeanPopulator.populate(BeanPopulator.java: 269) at net.sf.beanlib.provider.replicator.ReplicatorTemplate.populateBean(ReplicatorTemplate.java: 190) at net.sf.beanlib.provider.replicator.BeanReplicator.replicateBean(BeanReplicator.java: 187) at net.sf.beanlib.hibernate3.Hibernate3JavaBeanReplicator.replicateBean(Hibernate3JavaBeanReplicator.java: 71) at net.sf.gilead.core.beanlib.merge.MergeClassBeanReplicator.replicateBean(MergeClassBeanReplicator.java: 161) at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicateByBeanReplicatable(ReplicatorTemplate.java: 140) at net.sf.beanlib.provider.replicator.ReplicatorTemplate.replicate(ReplicatorTemplate.java: 135) at net.sf.beanlib.provider.BeanTransformer.transform(BeanTransformer.java: 231) at net.sf.beanlib.provider.BeanPopulator.doit(BeanPopulator.java:201) at net.sf.beanlib.provider.BeanPopulator.processSetterMethod(BeanPopulator.java: 172) at net.sf.beanlib.provider.BeanPopulator.populate(BeanPopulator.java: 269) at net.sf.gilead.core.LazyKiller.populate(LazyKiller.java:288) at net.sf.gilead.core.LazyKiller.attach(LazyKiller.java:237) at net.sf.gilead.core.PersistentBeanManager.mergePojo(PersistentBeanManager.java: 545) at net.sf.gilead.core.PersistentBeanManager.merge(PersistentBeanManager.java: 318) at net.sf.gilead.gwt.GileadRPCHelper.parseInputParameters(GileadRPCHelper.java: 94) at net.sf.gilead.gwt.GileadRPCHelper.parseInputParameters(GileadRPCHelper.java: 137) at net.sf.gilead.gwt.PersistentRemoteService.processCall(PersistentRemoteService.java: 172) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java: 224) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java: 62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: 487) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java: 362) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java: 216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java: 181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java: 729) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: 405) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: 152) at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java: 49) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: 152) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: 505) at org.mortbay.jetty.HttpConnection $RequestHandler.content(HttpConnection.java:843) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:205) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java: 395) at org.mortbay.thread.QueuedThreadPool $PoolThread.run(QueuedThreadPool.java:488) Caused by: java.lang.ClassCastException: $Proxy22 cannot be cast to org.hibernate.impl.SessionImpl at net.sf.gilead.core.hibernate.HibernateUtil.createPersistentCollection(HibernateUtil.java: 725) at net.sf.gilead.core.beanlib.merge.MergePropertyFilter.propagate(MergePropertyFilter.java: 180) ... 41 more there are by Bidirectional many-to-many the same Exception :...... <set name="diesemMitarbeiterZugeteilteProjekte" table="many_to_many_mitarbeiter_projekt" cascade="all" lazy="true"> <key column="MITARBEITER_FK"/> <many-to-many column="PROJEKT_FK" class=".....domain.Projekt"/> </set> .... <set name="diesemProjektZugeteilteMitarbeiter" table="many_to_many_mitarbeiter_projekt" cascade="all" lazy="false"> <key column="PROJEKT_FK"/> <many-to-many column="MITARBEITER_FK" class=".....projektliste.domain.Mitarbeiter"/> </set> ..... I don't understand, Why works it fine with single Relations , but only not the "BI-Directionality" Can anybody help me? thanks a lot. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
