Vê so o erro…
{…}
20:27:04,361 DEBUG [OutjectResult ] outjecting produto=modelo.Produto@c1429c
20:27:04,363 DEBUG [ToInstantiateInterceptorHandler] Invoking interceptor ForwardToDefaultViewInterceptor
20:27:04,364 DEBUG [ForwardToDefaultViewInterceptor] forwarding to the dafault page for this logic
20:27:04,372 DEBUG [DefaultPageResult ] forwarding to /WEB-INF/jsp/produtos/edita.jsp
20:27:04,373 DEBUG [DefaultStaticContentHandler] Deferring request to container: /vraptor-blank-project/WEB-INF/jsp/produtos/edita.jsp
20:27:04,385 DEBUG [VRaptor ] VRaptor ended the request
20:27:21,013 DEBUG [VRaptor ] VRaptor received a new request
20:27:21,024 DEBUG [ToInstantiateInterceptorHandler] Invoking interceptor ResourceLookupInterceptor
20:27:21,026 DEBUG [DefaultResourceTranslator] trying to access /produtos/altera
20:27:21,026 DEBUG [DefaultResourceTranslator] found resource [DefaultResourceMethod: ProdutosController.alteraProdutosController.altera(Produto)]
20:27:21,028 DEBUG [ToInstantiateInterceptorHandler] Invoking interceptor InstantiateInterceptor
20:27:21,144 DEBUG [ToInstantiateInterceptorHandler] Invoking interceptor ExceptionHandlerInterceptor
20:27:21,148 DEBUG [ToInstantiateInterceptorHandler] Invoking interceptor FlashInterceptor
20:27:21,166 DEBUG [LazyInterceptorHandler] Invoking interceptor ParametersInstantiatorInterceptor
20:27:21,166 DEBUG [JstlLocalization ] couldn’t find message bundle, creating an empty one
20:27:21,166 DEBUG [ParanamerNameProvider] Found parameter names with paranamer for ProdutosController.altera(Produto) as [produto]
20:27:21,182 DEBUG [OgnlParametersProvider] Applying preco with [35.9]
20:27:21,204 DEBUG [OgnlParametersProvider] Applying descricao with [Livros]
20:27:21,204 DEBUG [OgnlParametersProvider] Applying idProduto with [1]
20:27:21,206 DEBUG [OgnlFacade ] cant find property for expression idProduto ignoring
20:27:21,207 DEBUG [OgnlParametersProvider] Applying nome with [Prateleira]
20:27:21,207 DEBUG [ParametersInstantiatorInterceptor] Parameter values for [DefaultResourceMethod: ProdutosController.alteraProdutosController.altera(Produto)] are [modelo.Produto@b6f7f5]
20:27:21,210 DEBUG [ToInstantiateInterceptorHandler] Invoking interceptor ExecuteMethodInterceptor
20:27:21,210 DEBUG [ExecuteMethodInterceptor] Invoking ProdutosController.altera(Produto)
Hibernate:
update
Produto
set
descricao=?,
nome=?,
preco=?
where
idProduto=?
20:27:21,281 DEBUG [DefaultExceptionMapper] find for exception class org.hibernate.StaleStateException
20/11/2011 20:27:21 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() for servlet [default] in context with path [/vraptor-blank-project] threw exception
br.com.caelum.vraptor.InterceptionException: exception raised, check root cause for details: org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:96)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.intercept(ParametersInstantiatorInterceptor.java:87)
at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:83)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.ExceptionHandlerInterceptor.intercept(ExceptionHandlerInterceptor.java:71)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.InstantiateInterceptor.intercept(InstantiateInterceptor.java:48)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:69)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.EnhancedRequestExecution.execute(EnhancedRequestExecution.java:44)
at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:92)
at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:58)
at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:89)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
at org.hibernate.jdbc.Expectations$BasicExpectation.checkBatched(Expectations.java:85)
at org.hibernate.jdbc.Expectations$BasicExpectation.verifyOutcome(Expectations.java:70)
at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:90)
at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:266)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:168)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137)
at DAO.ProdutoDAO.atualiza(ProdutoDAO.java:42)
at controller.ProdutosController.altera(ProdutosController.java:57)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:61)
… 40 more