[jboss-user] [EJB 3.0] - any one help with null transaction reference problem?

wiggy do-not-reply at jboss.com
Sun Feb 17 18:03:02 EST 2008


spent some time on the seam forum and was pointed to ejb or hibernate forum instead.

essentially I have a home laptop and and works laptop 

both running 4.2.2 AS server, and a copied a seam project from jboss tools 2.0 from the home pc (where it works) to the work pc where it doesnt .

The works pc errors on null pointer in a transaction (im using seam framework pojo daos (therefore not strictky speaking ejb beans)

my code/config is the same but cant resolve why i get this null error 

does any one have ideas what might be going one 

- herees the crumb trail from the seam thread


having a problem on my laptop with basic seam2.01 project using jboss tools 

I have created a simple entity object and jboss tools in eclipse has created an entityHome and entityList framework objects 

when i run the basic app its okay until i try and create a Node Entity off the NodeHome 

i get an error sugeesting that their is no transaction and then get all sorts of errors on the nodeHome.persist method 

I run the code inside jboss 4.2.2, its currently a generated POJO not an ejb 

I think this is an issue with the seam transactio handling (without ejb). 

i have a line in persistence xml as - but cant find any seam.jsf.TransactionalSeamPhaseListener - as mentioned in the JBOSS SEAM book. 

any ideas what i've done wrong? 

non transactional calls seem to work okay for ordinary method forms (no db work) 

 
  | 
  | 
  |              
  |    <persistence-unit name="WillsSeamProject">
  |      <provider>org.hibernate.ejb.HibernatePersistence</provider>
  |       <jta-data-source>WillsSeamProjectDatasource</jta-data-source>
  |       <properties>
  |          <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect"/>
  |          <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
  |          <property name="hibernate.show_sql" value="true"/>
  |          <property name="hibernate.format_sql" value="true"/>
  |  
  |         <property name="jboss.entity.manager.factory.jndi.name" value="java:/WillsSeamProjectEntityManagerFactory"/>
  |       </properties>
  |    </persistence-unit>
  | 
  | 	 
  | 
  | 
  |  


  | @Name("nodeHome")
  | public class NodeHome extends EntityHome<Node>
  | {
  | 
  |     @RequestParameter 
  |     Long nodeId;
  | 
  |     @RequestParameter 
  |     String reasonForLink;
  | 
  |     @Factory("node")
  |     public Node initNode() {return getInstance();}
  |     
  |     private List<Node> resultList;
  |     		
  |  	
  |     @Override
  |     public Object getId() 
  |     { 
  |         if (nodeId==null)
  |         {
  |             return super.getId();
  |         }
  |         else
  |         {
  |             return nodeId;
  |         }
  |     }
  |     
  |     @Override @Begin
  |     public void create() {
  |         super.create();
  |     }
  |  	
  | 	 
  | 

the error is 



  | 
  | 4:05:57,692 INFO [STDOUT] Hibernate: 
  | select 
  | node0_.nodeID as nodeID3_, 
  | node0_.version as version3_, 
  | node0_.lastUpdated as lastUpda4_3_, 
  | node0_.createDate as createDate3_, 
  | node0_.name as name3_, 
  | node0_.aliasName as aliasName3_, 
  | node0_.description as descript8_3_, 
  | node0_.weight as weight3_, 
  | node0_.importance as importance3_ 
  | from 
  | Node node0_ 
  | 14:06:03,410 INFO [STDOUT] Hibernate: 
  | insert 
  | into 
  | Node 
  | (version, lastUpdated, createDate, name, aliasName, description, weight, importance, nodeType) 
  | values 
  | (?, ?, ?, ?, ?, ?, ?, ?, 'generic node') 
  | 14:06:03,410 WARN [TxConnectionManager] Connection error occured: org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener at 383ed6[state=NORMAL mc=org.jboss.resource.adapter.jdbc.xa.XAManagedConnection at 112202 handles=1 lastUse=1202479557739 permit=true trackByTx=true mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool at 1579d44 context=org.jboss.resource.connectionmanager.InternalManagedConnectionPool at 1160721 xaResource=org.jboss.resource.connectionmanager.xa.JcaXAResourceWrapper at a58701 txSync=null] 
  | java.lang.NullPointerException 
  | at org.jboss.resource.adapter.jdbc.WrappedPreparedStatement.setLong(WrappedPreparedStatement.java:130) 
  | at org.hibernate.type.LongType.set(LongType.java:42) 
  | at org.hibernate.type.NullableType.nullSafeSet(NullableType.java:136) 
  | at org.hibernate.type.NullableType.nullSafeSet(NullableType.java:107) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.dehydrate(AbstractEntityPersister.java:1997) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.dehydrate(AbstractEntityPersister.java:1974) 
  | at org.hibernate.persister.entity.AbstractEntityPersister$3.bindValues(AbstractEntityPersister.java:2152) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:32) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) 
  | at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) 
  | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) 
  | at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) 
  | at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:131) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:87) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38) 
  | at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596) 
  | at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:212) 
  | at org.jboss.seam.persistence.EntityManagerProxy.persist(EntityManagerProxy.java:135) 
  | at org.jboss.seam.framework.EntityHome.persist(EntityHome.java:84) 
  | 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) 
  | at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) 
  | at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:65) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:38) 
  | at org.jboss.seam.util.Work.workInTransaction(Work.java:40) 
  | at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:32) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102) 
  | at org.domain.WillsSeamProject.session.NodeHome_$$_javassist_3.persist(NodeHome_$$_javassist_3.java) 
  | 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 org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329) 
  | at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342) 
  | at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58) 
  | at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) 
  | at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) 
  | at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77) 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91) 
  | at javax.faces.component.UICommand.broadcast(UICommand.java:383) 
  | at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184) 
  | at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162) 
  | at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350) 
  | 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.internalDoFilter(ApplicationFilterChain.java:290) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) 
  | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) 
  | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) 
  | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) 
  | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
  | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) 
  | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 
  | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) 
  | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
  | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
  | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) 
  | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
  | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 
  | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
  | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 
  | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) 
  | at java.lang.Thread.run(Unknown Source) 
  | 14:06:03,441 INFO [LongType] could not bind value '0' to parameter: 1; Error; - nested throwable: (java.lang.NullPointerException) 
  | 14:06:03,441 FATAL [application] java.lang.NullPointerException 
  | javax.faces.el.EvaluationException: java.lang.NullPointerException 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91) 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91) 
  | at javax.faces.component.UICommand.broadcast(UICommand.java:383) 
  | at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184) 
  | at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162) 
  | at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350) 
  | at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97) 
  | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) 
  | at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117) 
  | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) 
  | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) 
  | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) 
  | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) 
  | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
  | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) 
  | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 
  | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) 
  | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
  | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
  | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) 
  | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
  | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 
  | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
  | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 
  | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) 
  | at java.lang.Thread.run(Unknown Source) 
  | Caused by: java.lang.NullPointerException 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.internalClose(WrappedStatement.java:590) 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.close(WrappedStatement.java:75) 
  | at org.hibernate.jdbc.AbstractBatcher.closePreparedStatement(AbstractBatcher.java:534) 
  | at org.hibernate.jdbc.AbstractBatcher.closeStatement(AbstractBatcher.java:269) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.releaseStatement(AbstractReturningDelegate.java:58) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:36) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) 
  | at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) 
  | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) 
  | at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) 
  | at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:131) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:87) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38) 
  | at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596) 
  | at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:212) 
  | at org.jboss.seam.persistence.EntityManagerProxy.persist(EntityManagerProxy.java:135) 
  | at org.jboss.seam.framework.EntityHome.persist(EntityHome.java:84) 
  | 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) 
  | at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) 
  | at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:65) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:38) 
  | at org.jboss.seam.util.Work.workInTransaction(Work.java:40) 
  | at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:32) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102) 
  | at org.domain.WillsSeamProject.session.NodeHome_$$_javassist_3.persist(NodeHome_$$_javassist_3.java) 
  | 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 org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329) 
  | at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342) 
  | at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58) 
  | at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) 
  | at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) 
  | at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77) 
  | ... 46 more 
  | 14:06:03,441 WARN [lifecycle] #{nodeHome.persist}: java.lang.NullPointerException 
  | javax.faces.FacesException: #{nodeHome.persist}: java.lang.NullPointerException 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:107) 
  | at javax.faces.component.UICommand.broadcast(UICommand.java:383) 
  | at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184) 
  | at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162) 
  | at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350) 
  | 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.internalDoFilter(ApplicationFilterChain.java:290) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) 
  | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) 
  | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) 
  | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) 
  | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
  | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) 
  | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 
  | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) 
  | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
  | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
  | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) 
  | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
  | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 
  | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
  | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 
  | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) 
  | at java.lang.Thread.run(Unknown Source) 
  | Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91) 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91) 
  | ... 45 more 
  | Caused by: java.lang.NullPointerException 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.internalClose(WrappedStatement.java:590) 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.close(WrappedStatement.java:75) 
  | at org.hibernate.jdbc.AbstractBatcher.closePreparedStatement(AbstractBatcher.java:534) 
  | at org.hibernate.jdbc.AbstractBatcher.closeStatement(AbstractBatcher.java:269) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.releaseStatement(AbstractReturningDelegate.java:58) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:36) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) 
  | at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) 
  | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) 
  | at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) 
  | at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:131) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:87) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38) 
  | at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596) 
  | at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:212) 
  | at org.jboss.seam.persistence.EntityManagerProxy.persist(EntityManagerProxy.java:135) 
  | at org.jboss.seam.framework.EntityHome.persist(EntityHome.java:84) 
  | 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) 
  | at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) 
  | at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:65) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:38) 
  | at org.jboss.seam.util.Work.workInTransaction(Work.java:40) 
  | at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:32) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102) 
  | at org.domain.WillsSeamProject.session.NodeHome_$$_javassist_3.persist(NodeHome_$$_javassist_3.java) 
  | 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 org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329) 
  | at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342) 
  | at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58) 
  | at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) 
  | at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) 
  | at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77) 
  | ... 46 more 
  | 14:06:03,441 WARN [lifecycle] executePhase(INVOKE_APPLICATION 5,com.sun.faces.context.FacesContextImpl at 18fe8fc) threw exception 
  | javax.faces.FacesException: #{nodeHome.persist}: java.lang.NullPointerException 
  | at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:105) 
  | 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.internalDoFilter(ApplicationFilterChain.java:290) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) 
  | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) 
  | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) 
  | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) 
  | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
  | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) 
  | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 
  | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) 
  | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
  | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
  | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) 
  | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
  | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 
  | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
  | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 
  | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) 
  | at java.lang.Thread.run(Unknown Source) 
  | Caused by: javax.faces.FacesException: #{nodeHome.persist}: java.lang.NullPointerException 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:107) 
  | at javax.faces.component.UICommand.broadcast(UICommand.java:383) 
  | at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184) 
  | at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162) 
  | at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350) 
  | at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97) 
  | ... 40 more 
  | Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91) 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91) 
  | ... 45 more 
  | Caused by: java.lang.NullPointerException 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.internalClose(WrappedStatement.java:590) 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.close(WrappedStatement.java:75) 
  | at org.hibernate.jdbc.AbstractBatcher.closePreparedStatement(AbstractBatcher.java:534) 
  | at org.hibernate.jdbc.AbstractBatcher.closeStatement(AbstractBatcher.java:269) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.releaseStatement(AbstractReturningDelegate.java:58) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:36) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) 
  | at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) 
  | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) 
  | at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) 
  | at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:131) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:87) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38) 
  | at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596) 
  | at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:212) 
  | at org.jboss.seam.persistence.EntityManagerProxy.persist(EntityManagerProxy.java:135) 
  | at org.jboss.seam.framework.EntityHome.persist(EntityHome.java:84) 
  | 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) 
  | at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) 
  | at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:65) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:38) 
  | at org.jboss.seam.util.Work.workInTransaction(Work.java:40) 
  | at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:32) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102) 
  | at org.domain.WillsSeamProject.session.NodeHome_$$_javassist_3.persist(NodeHome_$$_javassist_3.java) 
  | 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 org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329) 
  | at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342) 
  | at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58) 
  | at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) 
  | at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) 
  | at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77) 
  | ... 46 more 
  | 14:06:03,441 ERROR [XAManagedConnectionFactory] End transaction failed for XAResource 
  | com.mysql.jdbc.jdbc2.optional.MysqlXAException: No operations allowed after connection closed. 
  | at com.mysql.jdbc.jdbc2.optional.MysqlXAConnection.mapXAExceptionFromSQLException(MysqlXAConnection.java:571) 
  | at com.mysql.jdbc.jdbc2.optional.MysqlXAConnection.dispatchCommand(MysqlXAConnection.java:550) 
  | at com.mysql.jdbc.jdbc2.optional.MysqlXAConnection.end(MysqlXAConnection.java:445) 
  | at org.jboss.resource.adapter.jdbc.xa.XAManagedConnection.end(XAManagedConnection.java:147) 
  | at org.jboss.resource.connectionmanager.xa.JcaXAResourceWrapper.end(JcaXAResourceWrapper.java:58) 
  | at com.arjuna.ats.internal.jta.resources.arjunacore.XAResourceRecord.topLevelAbort(XAResourceRecord.java:372) 
  | at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:3222) 
  | at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:3200) 
  | at com.arjuna.ats.arjuna.coordinator.BasicAction.Abort(BasicAction.java:1928) 
  | at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.cancel(TwoPhaseCoordinator.java:105) 
  | at com.arjuna.ats.arjuna.AtomicAction.abort(AtomicAction.java:201) 
  | at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.rollbackAndDisassociate(TransactionImple.java:1458) 
  | at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.rollback(BaseTransaction.java:163) 
  | at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.rollback(BaseTransactionManagerDelegate.java:126) 
  | at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.rollback(ServerVMClientUserTransaction.java:148) 
  | at org.jboss.seam.transaction.UTTransaction.rollback(UTTransaction.java:66) 
  | at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:597) 
  | at org.jboss.seam.jsf.SeamPhaseListener.handleTransactionsAfterPhase(SeamPhaseListener.java:330) 
  | at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:231) 
  | at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:182) 
  | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:280) 
  | 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.internalDoFilter(ApplicationFilterChain.java:290) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) 
  | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) 
  | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) 
  | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) 
  | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
  | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) 
  | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 
  | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) 
  | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
  | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
  | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) 
  | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
  | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 
  | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
  | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 
  | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) 
  | at java.lang.Thread.run(Unknown Source) 
  | 14:06:03,441 WARN [loggerI18N] [com.arjuna.ats.internal.jta.resources.arjunacore.rollbackxaerror] [com.arjuna.ats.internal.jta.resources.arjunacore.rollbackxaerror] XAResourceRecord.rollback - xa error [com.arjuna.ats.jta.utils.unknownerrorcode] Unknown error code:0 
  | 14:06:03,441 WARN [arjLoggerI18N] [com.arjuna.ats.arjuna.coordinator.BasicAction_54] - Top-level abort of action a6002f5:e79:47ac59cd:b3 received TwoPhaseOutcome.FINISH_ERROR from <ClassName:RecordType.JTA_RECORD> 
  | 14:06:03,441 ERROR [ExceptionFilter] handling uncaught exception 
  | javax.servlet.ServletException: #{nodeHome.persist}: java.lang.NullPointerException 
  | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:256) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) 
  | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) 
  | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) 
  | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) 
  | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
  | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) 
  | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 
  | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) 
  | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
  | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
  | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) 
  | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
  | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 
  | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
  | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 
  | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) 
  | at java.lang.Thread.run(Unknown Source) 
  | Caused by: javax.faces.FacesException: #{nodeHome.persist}: java.lang.NullPointerException 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:107) 
  | at javax.faces.component.UICommand.broadcast(UICommand.java:383) 
  | at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184) 
  | at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162) 
  | at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350) 
  | 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) 
  | ... 37 more 
  | Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91) 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91) 
  | ... 45 more 
  | Caused by: java.lang.NullPointerException 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.internalClose(WrappedStatement.java:590) 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.close(WrappedStatement.java:75) 
  | at org.hibernate.jdbc.AbstractBatcher.closePreparedStatement(AbstractBatcher.java:534) 
  | at org.hibernate.jdbc.AbstractBatcher.closeStatement(AbstractBatcher.java:269) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.releaseStatement(AbstractReturningDelegate.java:58) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:36) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) 
  | at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) 
  | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) 
  | at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) 
  | at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:131) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:87) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38) 
  | at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596) 
  | at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:212) 
  | at org.jboss.seam.persistence.EntityManagerProxy.persist(EntityManagerProxy.java:135) 
  | at org.jboss.seam.framework.EntityHome.persist(EntityHome.java:84) 
  | 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) 
  | at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) 
  | at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:65) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:38) 
  | at org.jboss.seam.util.Work.workInTransaction(Work.java:40) 
  | at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:32) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102) 
  | at org.domain.WillsSeamProject.session.NodeHome_$$_javassist_3.persist(NodeHome_$$_javassist_3.java) 
  | 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 org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329) 
  | at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342) 
  | at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58) 
  | at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) 
  | at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) 
  | at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77) 
  | ... 46 more 
  | 14:06:03,441 ERROR [ExceptionFilter] exception root cause 
  | javax.faces.FacesException: #{nodeHome.persist}: java.lang.NullPointerException 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:107) 
  | at javax.faces.component.UICommand.broadcast(UICommand.java:383) 
  | at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184) 
  | at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162) 
  | at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350) 
  | 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.internalDoFilter(ApplicationFilterChain.java:290) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) 
  | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) 
  | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) 
  | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) 
  | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) 
  | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 
  | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 
  | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
  | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) 
  | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
  | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) 
  | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 
  | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) 
  | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 
  | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 
  | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) 
  | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
  | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 
  | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
  | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 
  | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) 
  | at java.lang.Thread.run(Unknown Source) 
  | Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException 
  | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91) 
  | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91) 
  | ... 45 more 
  | Caused by: java.lang.NullPointerException 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.internalClose(WrappedStatement.java:590) 
  | at org.jboss.resource.adapter.jdbc.WrappedStatement.close(WrappedStatement.java:75) 
  | at org.hibernate.jdbc.AbstractBatcher.closePreparedStatement(AbstractBatcher.java:534) 
  | at org.hibernate.jdbc.AbstractBatcher.closeStatement(AbstractBatcher.java:269) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.releaseStatement(AbstractReturningDelegate.java:58) 
  | at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:36) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) 
  | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) 
  | at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) 
  | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) 
  | at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) 
  | at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) 
  | at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:131) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:87) 
  | at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38) 
  | at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592) 
  | at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596) 
  | at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:212) 
  | at org.jboss.seam.persistence.EntityManagerProxy.persist(EntityManagerProxy.java:135) 
  | at org.jboss.seam.framework.EntityHome.persist(EntityHome.java:84) 
  | 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 org.jboss.seam.util.Reflections.invoke(Reflections.java:21) 
  | at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) 
  | at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:65) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:38) 
  | at org.jboss.seam.util.Work.workInTransaction(Work.java:40) 
  | at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:32) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) 
  | at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) 
  | at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166) 
  | at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102) 
  | at org.domain.WillsSeamProject.session.NodeHome_$$_javassist_3.persist(NodeHome_$$_javassist_3.java) 
  | 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 org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329) 
  | at org.jboss.el.util.ReflectionUtil.invokeMethod(

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