Thanks!! It works fine! I was going crazy for a line, thank you very
much!
On 8 mar, 23:41, FrugoFrog <frugof...@gmail.com> wrote:
> shouldn't one merge the entity first ? so that it's managed/attached.
>
> em.remove(em.merge(this));
>
> regards
>
> 2011/3/7 SrArcos <srar...@gmail.com>:
>
> > Hello all, I don't know if my question must be here, but I need a help
> > with this problem and I don't know exactly where it can being solved.
>
> > I'm trying to remove an entity from the server: ObjectEntity.
>
> > this is the method in the entity:
>
> > [code]
> > public void remove() {
> > EntityManager em = null;
> > EntityTransaction tx = null;
> > try {
> > em = Manager.getEMF().createEntityManager();
> > tx = em.getTransaction();
> > tx.begin();
>
> > em.remove(this);
>
> > tx.commit();
>
> > } catch (Exception e) {
> > e.printStackTrace();
> > if (tx != null) {
> > tx.rollback();
> > }
> > } finally {
> > if (em != null) {
> > em.close();
> > }
> > }
> > }
> > [/code]
>
> > and this is the method to call the removal request:
>
> > [code]
> > public void doDelete(Record lgr) {
> > final Long id = Long.valueOf(lgr.getAttribute("id"));
>
> > ObjectEntityRequest cRequest =
> > RFService.getRF().getObjectEntityRequest();
> > cRequest.findObjectEntity(id).fire(new
> > Receiver<ObjectEntityProxy>()
> > {
> > @Override
> > public void onSuccess(ObjectEntityProxy response) {
> > Request<Void> del =
>
> > RFService.getRF().getObjectEntityRequest()
> > .remove()
> > .using(aborrar);
> > del.fire(new Receiver<Void>() {
> > @Override
> > public void onSuccess(Void response)
> > {
> > Window.alert("ObjectEntity
> > borrado con éxito");
>
> > }
> > @Override
> > public void onFailure(ServerFailure
> > error) {
> > Window.alert("Error al
> > eliminar el ObjectEntity");
> > }
> > });
> > }
> > });
> > }
> > [/code]
>
> > And the server error I has is this:
>
> > java.lang.IllegalArgumentException: Removing a detached instance
> > org.mycompany.server.entities.ObjectEntity#400
> > at
> > org.hibernate.ejb.event.EJB3DeleteEventListener.performDetachedEntityDeletionCheck(EJB3DeleteEventListener.java:
> > 65)
> > at
> > org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:
> > 107)
> > at
> > org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:
> > 73)
> > at org.hibernate.impl.SessionImpl.fireDelete(SessionImpl.java:956)
> > at org.hibernate.impl.SessionImpl.delete(SessionImpl.java:934)
> > at
> > org.hibernate.ejb.AbstractEntityManagerImpl.remove(AbstractEntityManagerImpl.java:
> > 702)
> > at
> > org.mycompany.server.entities.ObjectEntity.remove(ObjectEntity.java:
> > 214)
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > at
> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
> > 57)
> > at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
> > 43)
> > at java.lang.reflect.Method.invoke(Method.java:616)
> > at
> > com.google.gwt.requestfactory.server.ReflectiveServiceLayer.invoke(ReflectiveServiceLayer.java:
> > 164)
> > at
> > com.google.gwt.requestfactory.server.ServiceLayerDecorator.invoke(ServiceLayerDecorator.java:
> > 89)
> > at
> > com.google.gwt.requestfactory.server.ServiceLayerDecorator.invoke(ServiceLayerDecorator.java:
> > 89)
> > at
> > com.google.gwt.requestfactory.server.SimpleRequestProcessor.processInvocationMessages(SimpleRequestProcessor.java:
> > 440)
> > at
> > com.google.gwt.requestfactory.server.SimpleRequestProcessor.process(SimpleRequestProcessor.java:
> > 218)
> > at
> > com.google.gwt.requestfactory.server.SimpleRequestProcessor.process(SimpleRequestProcessor.java:
> > 125)
> > at
> > com.google.gwt.requestfactory.server.RequestFactoryServlet.doPost(RequestFactoryServlet.java:
> > 118)
> > 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
> > $CachedChain.doFilter(ServletHandler.java:1097)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:359)
> > at
> > org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:
> > 109)
> > at
> > org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:
> > 83)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp(SessionFixationProtectionFilter.java:
> > 67)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:
> > 101)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.providers.anonymous.AnonymousProcessingFilter.doFilterHttp(AnonymousProcessingFilter.java:
> > 105)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.ui.rememberme.RememberMeProcessingFilter.doFilterHttp(RememberMeProcessingFilter.java:
> > 116)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp(SecurityContextHolderAwareRequestFilter.java:
> > 91)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.ui.basicauth.BasicProcessingFilter.doFilterHttp(BasicProcessingFilter.java:
> > 173)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:
> > 271)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.ui.logout.LogoutFilter.doFilterHttp(LogoutFilter.java:
> > 89)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:
> > 235)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.concurrent.ConcurrentSessionFilter.doFilterHttp(ConcurrentSessionFilter.java:
> > 99)
> > at
> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:
> > 53)
> > at org.springframework.security.util.FilterChainProxy
> > $VirtualFilterChain.doFilter(FilterChainProxy.java:371)
> > at
> > org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:
> > 174)
> > at
>
> ...
>
> leer más »
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