There were some duplicate classloader problems that caused errors like this. I think they are fixed in released 3.0.1 and all cvs branches.
david jencks On 2002.08.13 07:35:13 -0400 Arijit Ghosh wrote: > Hi, > > I'm using Jboss 3.0 with JDO. The problem arises when i try to > update an object already in the database. Consider an object CLIENT. The > sequence of > steps involved are > > 1) Displaying the list of clients. (Transaction -1) > 2) Loading the details of the selected client. (Transaction -2) > 3) Modifying the details of the selected client. (Transaction -3) > The above mentioned steps work the first time.if i try to update the > same client twice it shows the following exception > > javax.transaction.TransactionRolledbackException: try to access method > org.exolab.castor.mapping.loader.ClassDescriptorImpl.(Ljava/lang/Class;)V > from > class org.exolab.castor.mapping.loader.MappingLoader; nested exception > is: > java.lang.IllegalAccessError: try to access method org.exolab.castor > mapping.loader.ClassDescriptorImpl.(Ljava/lang/Class;)V from class > orgexolab.castor.mapping.loader.MappingLoader > java.lang.IllegalAccessError: try to access method > org.exolab.castor.mapping > loader.ClassDescriptorImpl.(Ljava/lang/Class;)V from class > org.exolab.castor.mapping.loader.MappingLoader > at org.exolab.castor.mapping.loader.MappingLoader.(Unknown Source) > at java.lang.reflect.Constructor.newInstance(Native Method) > at org.exolab.castor.mapping.Mapping.getResolver(Unknown Source) > at org.exolab.castor.jdo.engine.DatabaseRegistry.loadDatabase(Unknown > Source) > at org.exolab.castor.jdo.JDO.getDatabase(Unknown Source) > at > org.jboss.jdo.castor.CastorJDOImpl.getDatabase(CastorJDOImpl.java:276) > at > com.softex.itesoverseer.server.ejb.dao.CastorMain.findCollection(CastorMain.java:136) > > at > com.softex.itesoverseer.server.ejb.dao.ServerDAO.findAllServers(ServerDAO.java:58) > > at > >com.softex.itesoverseer.server.ejb.session.ClientManagerBean.getAllServers(ClientManagerBean.java:72) > > at java.lang.reflect.Method.invoke(Native Method) > at > >org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:664) > > at > >org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186) > > at > >org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:77) > > at > org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:96) > > at > org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:167) > > at > org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:61) > at > org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:129) > > at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:166) > at > org.jboss.ejb.StatelessSessionContainer.invoke(StatelessSessionContainerjava:313) > > at org.jboss.ejb.Container.invoke(Container.java:705) > at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491) > at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:98) > at > org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:102) > > at > org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:73) > > at > org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:76) > at > >org.jboss.proxy.ejb.StatelessSessionInterceptorinvoke(StatelessSessionInterceptor.java:111) > > at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:76) > at $Proxy25.getAllServers(Unknown Source) > at > >com.softex.itesoverseer.server.servlet.action.ClientActionexecute(ClientAction.java:69) > > at > >org.apache.struts.action.RequestProcessorprocessActionPerform(RequestProcessor.java:437) > > at > org.apache.struts.action.RequestProcessor.process(RequestProcessorjava:264) > > at > org.apache.struts.action.ActionServlet.process(ActionServlet.java:1109) > at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:452) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at > >org.apache.catalina.core.ApplicationFilterChaininternalDoFilter(ApplicationFilterChain.java:247) > > at > >org.apache.catalina.core.ApplicationFilterChaindoFilter(ApplicationFilterChain.java:193) > > at > org.apache.catalina.core.StandardWrapperValveinvoke(StandardWrapperValve.java:243) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) > > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > org.apache.catalina.core.StandardContextValveinvoke(StandardContextValve.java:190) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) > > at > org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) > > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > org.apache.catalina.core.StandardContext.invoke(StandardContextjava:2343) > > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValvejava:180) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipelinejava:566) > > at > org.apache.catalina.valves.ErrorDispatcherValveinvoke(ErrorDispatcherValve.java:170) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipelinejava:564) > > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValvejava:170) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipelinejava:564) > > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValvejava:468) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipelinejava:564) > > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipelinejava:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValvejava:174) > > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipelinejava:566) > > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipelinejava:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessorjava:1012) > > at > org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessorjava:1107) > > at java.lang.Thread.run(Thread.java:484) > > It works the third time and so on. > However if i set the cache type to none in the mapping.xml file then > there is no problem. > I'm not using any long transactions and hence no db.update() method and > the transactions are container based. > If anyone knows what the problem is please help. > > Regards, > Arijit > > > > > ------------------------------------------------------- > This sf.net email is sponsored by: Dice - The leading online job board > for high-tech professionals. 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