[jboss-user] [JBoss Seam] - TransientObjectException in seamspace-like approach

Thursday, 25 October 2007

Hi, I try to use a User/UserRole relation and took the seam-space as example

I have a UserRole entity with some predefined rolenames in database

UserRole class:
@Entity
  | @Name("userroles")
  | public class UserRole implements Serializable {
  | 	
  | 	/**
  | 	 * 
  | 	 */
  | 	private static final long serialVersionUID = -8632996340533021763L;
  | 	private Long id;
  | 	private Integer version;
  | 	private String name;
  | 
  | 	@Id @GeneratedValue
  | 	public Long getId() {
  | 	     return id;
  | 	}
  | 
  | 	public void setId(Long id) {
  | 	     this.id = id;
  | 	}
  | 	
  | 	@Version
  | 	public Integer getVersion() {
  | 	     return version;
  | 	}
  | 
  | 	@SuppressWarnings("unused")
  | 	private void setVersion(Integer version) {
  | 	     this.version = version;
  | 	}   	
  | 	
  | 	@Length(max=20)
  | 	public String getName() {
  | 	     return name;
  | 	}
  | 
  | 	public void setName(String name) {
  | 	     this.name = name;
  | 	}   	
  | }

and a User class as counterpart
@Entity
  | @Name("user")
  | @Table(name = "user", catalog = "oats")
  | public class User implements java.io.Serializable {
  | 
  | 	/**
  | 	 * 
  | 	 */
  | 	private static final long serialVersionUID = 1L;
  | 	private long id;
  | 	private Long version;
  | 	private String userName;
  | 	private String email;
  | 	private Set<UserRole> userRoles;
  | 
  | 	public User() {
  | 	}
  | 
  | 	public User(long id) {
  | 		this.id = id;
  | 	}
  | 
  | 	@Id @GeneratedValue
  | 	public long getId() {
  | 		return this.id;
  | 	}
  | 
  | 	public void setId(long id) {
  | 		this.id = id;
  | 	}
  | 
  | 	@Column(name = "version")
  | 	public Long getVersion() {
  | 		return this.version;
  | 	}
  | 
  | 	public void setVersion(Long version) {
  | 		this.version = version;
  | 	}
  | 
  | 	@Column(name = "username", unique = true)
  | 	@NotEmpty
  | 	public String getUserName() {
  | 		return this.userName;
  | 	}
  | 
  | 	public void setUserName(String username) {
  | 		this.userName = username;
  | 	}
  | 
  | 	@Column(name = "email")
  | 	@Email(message="Email")
  | 	@NotEmpty
  | 	public String getEmail() {
  | 		return this.email;
  | 	}
  | 
  | 	public void setEmail(String email) {
  | 		this.email = email;
  | 	}
  | 
  | 	@ManyToMany
  | 	@JoinTable(name = "userroles", joinColumns = @JoinColumn(name =
"USER_ID"), inverseJoinColumns = @JoinColumn(name = "ROLE_ID"))
  | 	public Set<UserRole> getUserRoles() {
  | 		return userRoles;
  | 	}
  | 
  | 	public void setUserRoles(Set<UserRole> userroles) {
  | 		this.userRoles = userroles;
  | 	}
  | 
  | }

Than I have a wizard(with a4j:include) to create new users with the predefined userroles.
(user data are based on existing values from database)

first step:
<div class="navPanel">
  | 		<h:outputLabel for="gpid"
value="GP-Id"></h:outputLabel>
  | 		<h:inputText id="gpid"
value="#{user.userName}"></h:inputText>
  | 		<a4j:commandButton value="Next >>"
action="#{register.searchGpId}"/>
  | 	</div>

@Begin
  | 	public String searchGpId() {
  | 		String query = "from Csy20oats y20 where y20gpnum like '"
+user.getUserName() +"'";
  | 		userSearchResults = entitymanager.createQuery(query).getResultList();
  | 		return "next";
  | 	}

these results are displayed in a datatable and one record can be used to select user data
	<div class="navPanel">
  | 	
  | 		<rich:scrollableDataTable 
  | 							rows="10"
  | 							id="userresultdatatable"
  | 							var="data"
  | 							value="#{register.userSearchResults}">
  | 			<rich:column width="50px">
  | 				<f:facet name="header"><h:outputText
value="GP-Id"></h:outputText></f:facet>
  | 				<h:outputText value="#{data.y20gpnum}"></h:outputText>
  | 			</rich:column>
  | 			<rich:column width="150px">
  | 				<f:facet name="header"><h:outputText
value="Name"></h:outputText></f:facet>
  | 				<h:outputText value="#{data.y21kname}"></h:outputText>
  | 			</rich:column>
  | 			<rich:column width="75px">
  | 				<f:facet name="header"><h:outputText
value="Aktion"></h:outputText></f:facet>
  | 				<a:commandLink id="userselectlink"
action="#{register.selectUser(data)}"
value="Ausweahlen"></a:commandLink>
  | 			</rich:column>
  | 		
  | 		</rich:scrollableDataTable>
  | 	</div>
  | 

	public String selectUser(Csy20oats selectedUser) {
  | 		setAllFields(selectedUser);
  | 		return "next";
  | 	}
  | 
  | 	@SuppressWarnings("unchecked")
  | 	private void setAllFields(Csy20oats selectedUser) {
  | 		List<Csy20oats> rs = entitymanager.createQuery("from Csy20oats y20 where
y20.y20gpnum=" +selectedUser.getY20gpnum()).getResultList();
  | 		userroles = new HashSet<UserRole>();
  | 		for(Csy20oats y20 : rs){
  | 			if(y20.getY20y20s0().substring(0, 1).toLowerCase().equals("k")){
  | 				UserRole ur = (UserRole)entitymanager.createQuery("from UserRole ur where
ur.name = 'akzeptanz'").getSingleResult();
  | 				//this.user.getUserRoles().add(ur);
  | 				userroles.add(ur);
  | 			}else if(y20.getY20y20s0().substring(0, 1).toLowerCase().equals("d")){
  | 				UserRole ur = (UserRole)entitymanager.createQuery("from UserRole ur where
ur.name = 'beherbergung'").getSingleResult();
  | 				//this.user.getUserRoles().add(ur);
  | 				userroles.add(ur);
  | 			}else if(y20.getY20y20s0().substring(0, 1).toLowerCase().equals("s")){
  | 				UserRole ur = (UserRole)entitymanager.createQuery("from UserRole ur where
ur.name = 'gemeinde'").getSingleResult();
  | 				//this.user.getUserRoles().add(ur);
  | 				userroles.add(ur);
  | 			}
  | 		}
  | 	}
  | 

in last step I can edit and save the data
	<div class="navPanel">
  | 	
  | 		<h:outputLabel value="Name"
for="username"></h:outputLabel>
  | 		<h:inputText id="username"
value="#{user.userName}"></h:inputText>
  | 		<br/>
  | 		<h:outputLabel value="E-Mail"
for="email"></h:outputLabel>
  | 		<h:inputText id="email"
value="#{user.email}"></h:inputText>
  | 		<br/>
  | 		<rich:spacer height="2"
id="userspacer"></rich:spacer>
  | 		<rich:separator lineType="dashed"></rich:separator>
  | 		
  | 		<a:commandButton value="Registrieren"
action="#{register.register}"/>
  | 		
  | 	</div>
  | 

   @End
  |    public String register()
  |    {
  | 	   this.user.setUserRoles(userroles);
  | 	   try {
  | 		   entitymanager.persist(this.user);
  | 		} catch (Exception e) {
  | 			e.printStackTrace();
  | 		}
  | 	   return "next";
  |    }
  | 

I think it's exact the same as in seamspace but I get the following error:
09:11:10,472 ERROR [AbstractFlushingEventListener] Could not synchronize database state
with session
  | org.hibernate.TransientObjectException: object references an unsaved transient
instance - save the transient instance before flushing: de.oats.model.UserRole
  | 	at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
  | 	at org.hibernate.type.EntityType.getIdentifier(EntityType.java:397)
  | 	at org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:78)
  | 	at
org.hibernate.persister.collection.AbstractCollectionPersister.writeElement(AbstractCollectionPersister.java:755)
  | 	at
org.hibernate.persister.collection.AbstractCollectionPersister.recreate(AbstractCollectionPersister.java:1143)
  | 	at
org.hibernate.action.CollectionRecreateAction.execute(CollectionRecreateAction.java:26)
  | 	at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250)
  | 	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:234)
  | 	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:145)
  | 	at
org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
  | 	at
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
  | 	at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
  | 	at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
  | 	at
org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:515)
  | 	at
com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:114)
  | 	at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:247)
  | 	at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86)
  | 	at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)
  | 	at
com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1382)
  | 	at
com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135)
  | 	at
com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:87)
  | 	at
org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:140)
  | 	at org.jboss.seam.transaction.UTTransaction.commit(UTTransaction.java:52)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:582)
  | 	at
org.jboss.seam.jsf.SeamPhaseListener.handleTransactionsAfterPhase(SeamPhaseListener.java:325)
  | 	at
org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:226)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:184)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:280)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
  | 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
  | 	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  | 	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 	at org.jboss.seam.servlet.SeamFilter$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:44)
  | 	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:433)
  | 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  | 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  | 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  | 	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:241)
  | 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  | 	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  | 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  | 	at java.lang.Thread.run(Thread.java:619)
  | 09:11:10,492 WARN  [arjLoggerI18N]
[com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator_2]
TwoPhaseCoordinator.beforeCompletion - failed for
com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple@1375021
  | java.lang.IllegalStateException: org.hibernate.TransientObjectException: object
references an unsaved transient instance - save the transient instance before flushing:
de.oats.model.UserRole
  | 	at
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:626)
  | 	at
org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:524)
  | 	at
com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:114)
  | 	at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:247)
  | 	at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86)
  | 	at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)
  | 	at
com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1382)
  | 	at
com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135)
  | 	at
com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:87)
  | 	at
org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:140)
  | 	at org.jboss.seam.transaction.UTTransaction.commit(UTTransaction.java:52)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:582)
  | 	at
org.jboss.seam.jsf.SeamPhaseListener.handleTransactionsAfterPhase(SeamPhaseListener.java:325)
  | 	at
org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:226)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:184)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:280)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
  | 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
  | 	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  | 	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 	at org.jboss.seam.servlet.SeamFilter$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:44)
  | 	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:433)
  | 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  | 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  | 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  | 	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:241)
  | 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  | 	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  | 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  | 	at java.lang.Thread.run(Thread.java:619)
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved
transient instance - save the transient instance before flushing: de.oats.model.UserRole
  | 	at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
  | 	at org.hibernate.type.EntityType.getIdentifier(EntityType.java:397)
  | 	at org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:78)
  | 	at
org.hibernate.persister.collection.AbstractCollectionPersister.writeElement(AbstractCollectionPersister.java:755)
  | 	at
org.hibernate.persister.collection.AbstractCollectionPersister.recreate(AbstractCollectionPersister.java:1143)
  | 	at
org.hibernate.action.CollectionRecreateAction.execute(CollectionRecreateAction.java:26)
  | 	at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250)
  | 	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:234)
  | 	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:145)
  | 	at
org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
  | 	at
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
  | 	at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
  | 	at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
  | 	at
org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:515)
  | 	... 53 more
  | 09:11:10,612 ERROR [SeamPhaseListener] uncaught exception
  | java.lang.IllegalStateException: Could not commit transaction
  | 	at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:592)
  | 	at
org.jboss.seam.jsf.SeamPhaseListener.handleTransactionsAfterPhase(SeamPhaseListener.java:325)
  | 	at
org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:226)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:184)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:280)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
  | 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
  | 	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  | 	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 	at org.jboss.seam.servlet.SeamFilter$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:44)
  | 	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:433)
  | 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  | 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  | 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  | 	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:241)
  | 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  | 	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  | 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  | 	at java.lang.Thread.run(Thread.java:619)
  | Caused by: javax.transaction.RollbackException:
[com.arjuna.ats.internal.jta.transaction.arjunacore.commitwhenaborted]
[com.arjuna.ats.internal.jta.transaction.arjunacore.commitwhenaborted] Can't commit
because the transaction is in aborted state
  | 	at
com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1394)
  | 	at
com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135)
  | 	at
com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:87)
  | 	at
org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:140)
  | 	at org.jboss.seam.transaction.UTTransaction.commit(UTTransaction.java:52)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:582)
  | 	... 43 more
  | Caused by: java.lang.IllegalStateException: org.hibernate.TransientObjectException:
object references an unsaved transient instance - save the transient instance before
flushing: de.oats.model.UserRole
  | 	at
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:626)
  | 	at
org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:524)
  | 	at
com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:114)
  | 	at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:247)
  | 	at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86)
  | 	at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)
  | 	at
com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1382)
  | 	... 48 more
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved
transient instance - save the transient instance before flushing: de.oats.model.UserRole
  | 	at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
  | 	at org.hibernate.type.EntityType.getIdentifier(EntityType.java:397)
  | 	at org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:78)
  | 	at
org.hibernate.persister.collection.AbstractCollectionPersister.writeElement(AbstractCollectionPersister.java:755)
  | 	at
org.hibernate.persister.collection.AbstractCollectionPersister.recreate(AbstractCollectionPersister.java:1143)
  | 	at
org.hibernate.action.CollectionRecreateAction.execute(CollectionRecreateAction.java:26)
  | 	at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250)
  | 	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:234)
  | 	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:145)
  | 	at
org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
  | 	at
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
  | 	at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
  | 	at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
  | 	at
org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:515)
  | 	... 53 more

If I use ManyToMany(cascade=CascadeType.PERSIST) there is no error but new UserRole
entries are created(I don' want new roles)

What's diffrent in seam-space example OR better, what can I do prevent this error?

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[jboss-user] [JBoss Seam] - TransientObjectException in seamspace-like approach