Hi, Pinaki. The effect occurred as soon as I used another entity. So here is the full stack trace. While there is a lot of lines that can be ignored, I want to mention two lines almost at the bottom (innermost wrapped exception): java.sql.SQLException: Invalid value for getInt() - '-' ... at org.apache.openjpa.jdbc.sql.DBDictionary.getInt(DBDictionary.java:693) at org.apache.openjpa.jdbc.sql.DBDictionary.getChar(DBDictionary.java:595) ... It seems that OpenJPA actually calls getChar but the DBDictionary replaces that call with a getInt call. Hiran ------------------------------------------------------------------------------------------------------ EJB5018: An exception was thrown during an ejb invocation on [AdressenFacade] javax.ejb.EJBException at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:3869) at com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:3769) at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:3571) at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1354) at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1316) at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:210) at com.sun.ejb.containers.EJBObjectInvocationHandlerDelegate.invoke(EJBObjectInvocationHandlerDelegate.java:117) at $Proxy575.findAll(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:233) at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:152) at com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.invoke(BCELStubBase.java:225) at beans.__AdressenFacadeRemote_Remote_DynamicStub.findAll(beans/__AdressenFacadeRemote_Remote_DynamicStub.java) at beans._AdressenFacadeRemote_Wrapper.findAll(beans/_AdressenFacadeRemote_Wrapper.java) at Adressverwaltung.readAdressenList(Adressverwaltung.java:102) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.el.parser.AstValue.invoke(AstValue.java:187) at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297) at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77) at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91) at com.sun.rave.web.ui.appbase.faces.ActionListenerImpl.processAction(ActionListenerImpl.java:91) at javax.faces.component.UICommand.broadcast(UICommand.java:383) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752) at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244) at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198) at com.sun.webui.jsf.util.UploadFilter.doFilter(UploadFilter.java:267) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198) at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:270) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:339) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:261) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:212) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265) at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106) Caused by: org.apache.openjpa.persistence.PersistenceException: Invalid value for getInt() - '-' at org.apache.openjpa.jdbc.sql.SQLExceptions.narrow(SQLExceptions.java:146) at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java:4150) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:102) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:88) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:64) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:268) at org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:111) at org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57) at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:894) at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:852) at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:774) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:811) at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:258) at org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.load(SelectImpl.java:2228) at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:252) at org.apache.openjpa.jdbc.kernel.InstanceResultObjectProvider.getResultObject(InstanceResultObjectProvider.java:59) at org.apache.openjpa.lib.rop.EagerResultList.(EagerResultList.java:36) at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1222) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:989) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:804) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:774) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:770) at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:517) at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:238) at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:277) at beans.AdressenFacade.findAll(AdressenFacade.java:40) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1067) at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:176) at com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:2895) at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:3986) at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:203) ... 62 more Caused by: java.sql.SQLException: Invalid value for getInt() - '-' at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1056) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927) at com.mysql.jdbc.ResultSetImpl.getInt(ResultSetImpl.java:2631) at org.apache.openjpa.lib.jdbc.DelegatingResultSet.getInt(DelegatingResultSet.java:134) at org.apache.openjpa.jdbc.sql.DBDictionary.getInt(DBDictionary.java:693) at org.apache.openjpa.jdbc.sql.DBDictionary.getChar(DBDictionary.java:595) at org.apache.openjpa.jdbc.sql.ResultSetResult.getCharInternal(ResultSetResult.java:300) at org.apache.openjpa.jdbc.sql.AbstractResult.getChar(AbstractResult.java:456) at org.apache.openjpa.jdbc.meta.strats.PrimitiveFieldStrategy.load(PrimitiveFieldStrategy.java:200) at org.apache.openjpa.jdbc.meta.FieldMapping.load(FieldMapping.java:796) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:868) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:820) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStoreManager.java:342) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:263) ... 91 more ----- Original Message ----- From: "Pinaki Poddar" To: Sent: Monday, July 07, 2008 3:50 PM Subject: Re: How to find cause for PersistenceException? Please post the entire stack trace. PersistenceException often nests the root cause of the error and your application needs to recurse through those nested exception to pick the root cause. In this case, the context where the error has been detected is likely to be too narrow to provide enough information (whereas in most cases, OpenJPA exception provides adequate contextual information) -- but having the entire stack trace will help. Hiran Chaudhuri wrote: > > Hi there. > > On classes generated from a database with Netbeans 6.1 I get such an > exception at runtime: > > org.apache.openjpa.persistence.PersistenceException: Invalid value for > getInt() - 'N' > > Now I can imagine that int is a wrong mapping for the regarding table > column and I know which table is accessed - but how do I find out which > column this message relates to? > > Hiran Chaudhuri > _______________________________________________________________________ > Jetzt neu! Schützen Sie Ihren PC mit McAfee und WEB.DE. 30 Tage > kostenlos testen. http://www.pc-sicherheit.web.de/startseite/?mc=022220 > > > -- View this message in context: http://n2.nabble.com/How-to-find-cause-for-PersistenceException--tp221194p363179.html Sent from the OpenJPA Users mailing list archive at Nabble.com.