I have an error I can't seem to solve. It occurs when trying to create a Session from a SessionFactory. Here is the StrackTrace
The first set of errors look like a JSF issue (which I can't totally rule out - still learning :-) ). But toward the bottom of the stack trace there is some refernce to hibernate mapping errors which makes me think the jsf is not the issue. 2006-07-07 14:03:06,812 ERROR [STDERR] Initial SessionFactory creation failed.java.lang.NoClassDefFoundError: org/apache/commons/collections/SequencedHashMap 2006-07-07 14:03:06,812 ERROR [com.sun.faces.lifecycle.InvokeApplicationPhase] #{account.act}: javax.faces.el.EvaluationException: java.lang.ExceptionInInitializerError javax.faces.FacesException: #{account.act}: javax.faces.el.EvaluationException: java.lang.ExceptionInInitializerError at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:78) at javax.faces.component.UICommand.broadcast(UICommand.java:312) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381) at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:75) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: javax.faces.el.EvaluationException: java.lang.ExceptionInInitializerError at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:130) at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72) ... 25 more Caused by: java.lang.ExceptionInInitializerError at com.stlouiscity.util.HibernateUtil.(HibernateUtil.java:28) at com.stlouiscity.budget.database.dao.AccountDAOHibernateImpl.insert(AccountDAOHibernateImpl.java:170) at com.stlouiscity.budget.jsf.beans.AccountBacking.act(AccountBacking.java:75) 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:585) at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126) ... 26 more Caused by: java.lang.NoClassDefFoundError: org/apache/commons/collections/SequencedHashMap at org.hibernate.mapping.Table.(Table.java:33) at org.hibernate.cfg.Mappings.addTable(Mappings.java:165) at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:288) at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:271) at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:142) at org.hibernate.cfg.Configuration.add(Configuration.java:419) at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:460) at org.hibernate.cfg.Configuration.addResource(Configuration.java:515) at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1506) at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1474) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1453) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1427) at org.hibernate.cfg.Configuration.configure(Configuration.java:1347) at org.hibernate.cfg.Configuration.configure(Configuration.java:1333) at com.stlouiscity.util.HibernateUtil.(HibernateUtil.java:25) ... 33 more 2006-07-07 14:03:06,828 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/BudgetApplication].[Faces Servlet]] Servlet.service() for servlet Faces Servlet threw exception javax.faces.FacesException: #{account.act}: javax.faces.el.EvaluationException: java.lang.ExceptionInInitializerError at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:78) at javax.faces.component.UICommand.broadcast(UICommand.java:312) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381) at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:75) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: javax.faces.el.EvaluationException: java.lang.ExceptionInInitializerError at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:130) at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72) ... 25 more Caused by: java.lang.ExceptionInInitializerError at com.stlouiscity.util.HibernateUtil.(HibernateUtil.java:28) at com.stlouiscity.budget.database.dao.AccountDAOHibernateImpl.insert(AccountDAOHibernateImpl.java:170) at com.stlouiscity.budget.jsf.beans.AccountBacking.act(AccountBacking.java:75) 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:585) at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126) ... 26 more Caused by: java.lang.NoClassDefFoundError: org/apache/commons/collections/SequencedHashMap at org.hibernate.mapping.Table.(Table.java:33) at org.hibernate.cfg.Mappings.addTable(Mappings.java:165) at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:288) at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:271) at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:142) at org.hibernate.cfg.Configuration.add(Configuration.java:419) at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:460) at org.hibernate.cfg.Configuration.addResource(Configuration.java:515) at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1506) at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1474) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1453) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1427) at org.hibernate.cfg.Configuration.configure(Configuration.java:1347) at org.hibernate.cfg.Configuration.configure(Configuration.java:1333) at com.stlouiscity.util.HibernateUtil.(HibernateUtil.java:25) ... 33 more Here is my Hibernate.cfg.xml file | <?xml version="1.0" encoding="UTF-8"?> | | <!DOCTYPE hibernate-configuration PUBLIC | '-//Hibernate/Hibernate Configuration DTD 3.0//EN' | 'http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd'> | <hibernate-configuration> | <!-- <session-factory name="java:comp/env/hibernate/SessionFactory"> --> | <session-factory name="MySessionFactory"> | <!-- properties --> | <property name="connection.datasource">java:OracleDS</property> | | | <property name="connection.pool_size">1</property> | <property name="current_session_context_class">thread</property> | <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property> | <property name="dialect">net.sf.hibernate.dialect.Oracle9Dialect</property> | <property name="show_sql">true</property> | | <!-- mapping files --> | <mapping resource="com/stlouiscity/budget/database/beans/AccountBean.hbm.xml"/> | </session-factory> | | </hibernate-configuration> | I know my OracleDS datasource file is ok because I tested it with plain JDBC and it seems to work. 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