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From GESCONSULTOR <o....@gesconsultor.com>
Subject Re: What is this error about?
Date Sun, 15 Sep 2013 07:27:38 GMT
Hi james.

Have you used both the JDO annotations and the addToXXX / removeFromXXX isis eclipse templates
?

The latter ones should not be used with JDO as DataNucleus automatically manages the relationships
when doing getContainer().flush().  

More info here [1].

If that's not the case, can you paste on the mail the code defining the relationship?


[1] http://isis.apache.org/components/objectstores/jdo/managed-1-to-m-relationships.html



El 14/09/2013, a las 21:16, james agada <okwuiagada@gmail.com> escribió:

>   - java.util.ConcurrentModificationException
>   -
>   -
>   java.util.AbstractList$Itr#checkForComodification(AbstractList.java:372)
>   - java.util.AbstractList$Itr#next(AbstractList.java:343)
>   -
>   java.util.Collections$UnmodifiableCollection$1#next(Collections.java:1008)
>   -
>   org.apache.isis.objectstore.jdo.datanucleus.DataNucleusObjectStore#executeCommands(DataNucleusObjectStore.java:360)
>   -
>   org.apache.isis.objectstore.jdo.datanucleus.DataNucleusObjectStore#execute(DataNucleusObjectStore.java:355)
>   -
>   org.apache.isis.core.runtime.system.transaction.IsisTransaction#doFlush(IsisTransaction.java:365)
>   -
>   org.apache.isis.core.runtime.system.transaction.IsisTransaction#flush(IsisTransaction.java:331)
>   -
>   org.apache.isis.core.runtime.system.transaction.IsisTransactionManager#flushTransaction(IsisTransactionManager.java:298)
>   -
>   org.apache.isis.viewer.wicket.ui.components.actions.ActionPanel#executeActionOnTargetAndProcessResults(ActionPanel.java:181)
>   -
>   org.apache.isis.viewer.wicket.ui.components.actions.ActionPanel#executeActionAndProcessResults(ActionPanel.java:137)
>   -
>   org.apache.isis.viewer.wicket.ui.components.actions.ActionParametersFormPanel$ActionParameterForm$1#onSubmit(ActionParametersFormPanel.java:126)
>   - org.apache.wicket.markup.html.form.Form#delegateSubmit(Form.java:1253)
>   - org.apache.wicket.markup.html.form.Form#process(Form.java:925)
>   - org.apache.wicket.markup.html.form.Form#onFormSubmitted(Form.java:771)
>   - org.apache.wicket.markup.html.form.Form#onFormSubmitted(Form.java:704)
>   -
>   sun.reflect.NativeMethodAccessorImpl#invoke0(NativeMethodAccessorImpl.java:-2)
>   -
>   sun.reflect.NativeMethodAccessorImpl#invoke(NativeMethodAccessorImpl.java:39)
>   -
>   sun.reflect.DelegatingMethodAccessorImpl#invoke(DelegatingMethodAccessorImpl.java:25)
>   - java.lang.reflect.Method#invoke(Method.java:597)
>   -
>   org.apache.wicket.RequestListenerInterface#internalInvoke(RequestListenerInterface.java:258)
>   -
>   org.apache.wicket.RequestListenerInterface#invoke(RequestListenerInterface.java:216)
>   -
>   org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler#invokeListener(ListenerInterfaceRequestHandler.java:240)
>   -
>   org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler#respond(ListenerInterfaceRequestHandler.java:226)
>   -
>   org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor#respond(RequestCycle.java:861)
>   -
>   org.apache.wicket.request.RequestHandlerStack#execute(RequestHandlerStack.java:64)
>   -
>   org.apache.wicket.request.cycle.RequestCycle#execute(RequestCycle.java:261)
>   -
>   org.apache.wicket.request.cycle.RequestCycle#processRequest(RequestCycle.java:218)
>   -
>   org.apache.wicket.request.cycle.RequestCycle#processRequestAndDetach(RequestCycle.java:289)
>   -
>   org.apache.wicket.protocol.http.WicketFilter#processRequestCycle(WicketFilter.java:259)
>   -
>   org.apache.wicket.protocol.http.WicketFilter#processRequest(WicketFilter.java:201)
>   -
>   org.apache.wicket.protocol.http.WicketFilter#doFilter(WicketFilter.java:282)
>   -
>   org.eclipse.jetty.servlet.ServletHandler$CachedChain#doFilter(ServletHandler.java:1326)
>   -
>   org.apache.shiro.web.servlet.AbstractShiroFilter#executeChain(AbstractShiroFilter.java:449)
>   -
>   org.apache.shiro.web.servlet.AbstractShiroFilter$1#call(AbstractShiroFilter.java:365)
>   -
>   org.apache.shiro.subject.support.SubjectCallable#doCall(SubjectCallable.java:90)
>   -
>   org.apache.shiro.subject.support.SubjectCallable#call(SubjectCallable.java:83)
>   -
>   org.apache.shiro.subject.support.DelegatingSubject#execute(DelegatingSubject.java:383)
>   -
>   org.apache.shiro.web.servlet.AbstractShiroFilter#doFilterInternal(AbstractShiroFilter.java:362)
>   -
>   org.apache.shiro.web.servlet.OncePerRequestFilter#doFilter(OncePerRequestFilter.java:125)
>   -
>   org.eclipse.jetty.servlet.ServletHandler$CachedChain#doFilter(ServletHandler.java:1326)
>   -
>   org.eclipse.jetty.servlet.ServletHandler#doHandle(ServletHandler.java:479)
>   -
>   org.eclipse.jetty.server.handler.ScopedHandler#handle(ScopedHandler.java:119)
>   -
>   org.eclipse.jetty.security.SecurityHandler#handle(SecurityHandler.java:520)
>   -
>   org.eclipse.jetty.server.session.SessionHandler#doHandle(SessionHandler.java:227)
>   -
>   org.eclipse.jetty.server.handler.ContextHandler#doHandle(ContextHandler.java:940)
>   -
>   org.eclipse.jetty.servlet.ServletHandler#doScope(ServletHandler.java:409)
>   -
>   org.eclipse.jetty.server.session.SessionHandler#doScope(SessionHandler.java:186)
>   -
>   org.eclipse.jetty.server.handler.ContextHandler#doScope(ContextHandler.java:874)
>   -
>   org.eclipse.jetty.server.handler.ScopedHandler#handle(ScopedHandler.java:117)
>   -
>   org.eclipse.jetty.server.handler.ContextHandlerCollection#handle(ContextHandlerCollection.java:250)
>   -
>   org.eclipse.jetty.server.handler.HandlerCollection#handle(HandlerCollection.java:149)
>   -
>   org.eclipse.jetty.server.handler.HandlerWrapper#handle(HandlerWrapper.java:110)
>   - org.eclipse.jetty.server.Server#handle(Server.java:349)
>   -
>   org.eclipse.jetty.server.HttpConnection#handleRequest(HttpConnection.java:441)
>   -
>   org.eclipse.jetty.server.HttpConnection$RequestHandler#content(HttpConnection.java:921)
>   - org.eclipse.jetty.http.HttpParser#parseNext(HttpParser.java:784)
>   - org.eclipse.jetty.http.HttpParser#parseAvailable(HttpParser.java:223)
>   -
>   org.eclipse.jetty.server.AsyncHttpConnection#handle(AsyncHttpConnection.java:46)
>   -
>   org.eclipse.jetty.io.nio.SelectChannelEndPoint#handle(SelectChannelEndPoint.java:545)
>   -
>   org.eclipse.jetty.io.nio.SelectChannelEndPoint$1#run(SelectChannelEndPoint.java:43)
>   -
>   org.eclipse.jetty.util.thread.QueuedThreadPool#runJob(QueuedThreadPool.java:598)
>   -
>   org.eclipse.jetty.util.thread.QueuedThreadPool$3#run(QueuedThreadPool.java:533)
>   - java.lang.Thread#run(Thread.java:680)
> 
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