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.
...
...
...
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
:..
.
I don't understand, Why works it fine with single Relations , but only
not the "BI-Directionality"
Can anybody help me? thanks a lot.
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