Jboss ponent.Instance，除非我在TKITASK中为连接的字段使用FetchType.EAGER）？抱歉，我无法遵循您的所有应用程序逻辑。假设您不尝试创建SeamBean的多个实例，也不使用new对其进行实例化，那么如果您已经确定了组件对话的范围，那

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ponent.Instance，除非我在TKITASK中为连接的字段使用FetchType.EAGER）？抱歉，我无法遵循您的所有应用程序逻辑。假设您不尝试创建SeamBean的多个实例，也不使用new对其进行实例化，那么如果您已经确定了组件对话的范围，那么您就不会有谎言。还要确保你开始了对话。请尝试在yourpage.page.xml中使用。抱歉，我完全有可能在这方面完全错了。我在顶部添加了一个解释，说明这种邪恶应该做什么。

<transaction:entity-transaction /> 
<transaction:ejb-transaction />

<persistence-unit name="myEmployee" transaction-type="JTA">
      <provider>org.hibernate.ejb.HibernatePersistence</provider>
      <jta-data-source>java:/myEmployeeDatasource</jta-data-source>
      <properties>
         <property name="hibernate.dialect" value="org.hibernate.dialect.OracleDialect"/>
         <property name="hibernate.hbm2ddl.auto" value="validate"/>
         <property name="hibernate.show_sql" value="true"/>
         <property name="hibernate.format_sql" value="true"/> 
         <property name="hibernate.default_schema" value="MY_PROD"/>
         <!-- Only relevant if Seam is loading the persistence unit (Java SE bootstrap) -->
         <property name="hibernate.transaction.manager_lookup_class" value="org.hibernate.transaction.JBossTransactionManagerLookup"/>
<!-- this binds emf to jndi under java namespace - but only for jboss prior to 5.0 - I shouldn't need this. -->
<property name="jboss.entity.manager.factory.jndi.name" value="java:/EntityManagerFactories/myEmployee"/>
      </properties>
   </persistence-unit>

<persistence:managed-persistence-context name="entityManager"
persistence-unit-jndi-name="java:/EntityManagerFactories/myEmployee"
auto-create="true"/>

(EntityManager)Component.getInstance("entityManager")

@Entity
@Table(name = "TQI_TASK")
@Name("tqitask")
public class TqiTask implements java.io.Serializable {

    static Logger log = Logger.getLogger(TqiTask.class);
    private Integer sysid;
    private TqiActivitySubtype tqiActivitySubtype;
    private TqiActivityType tqiActivityType;
// ... more fields, getters and setters

@Name("tQIDayActionBean")
@Transactional(TransactionPropagationType.REQUIRED) //this is latest attempt
@Scope(ScopeType.CONVERSATION)
public class TQIDayActionBean implements Serializable {
    static Logger log = Logger.getLogger(TQIDayActionBean.class);


    @In(required=true)
    EntityManager entityManager;
//this doesn't work either
        @DataModel("tqiTasksForOneDay")
    @Out(required = false)
    private List<TqiTask> tqiTasksForOneDay;

// .... more stuff
// method that should get an entityManager
/**
     * tasks are children of tqiActivitySheet, info we need is in tqiActivitySheetV, so use peopleSoftIdSelected and weekSelected.weekSysid
     * to get the tqiActivitySheet sysid needed to load the right tasks
     *  TODO for now lets just get it straight from the db
     */
    @SuppressWarnings("unchecked")
    @Begin(flushMode=FlushModeType.MANUAL)
    public void generateTasksForDayOfWeek() {
        log.debug("date to search for: " + this.tqiTaskDate);

        this.tqiTasksForOneDay = this.entityManager.createQuery("SELECT t from TqiTask t  where t.workDate = ?1 AND t.activitySheetSysid = ?2 order by t.sysid")
        .setParameter(1, this.tqiTaskDate).setParameter(2, this.activitySheetSysid).getResultList();
    }

getter/setters etc ...

/**
 * handle the activity sheet weekly code generation here
 */
@Name("tqiActivitySheetActionBean")
public class TQIActivitySheetActionBean implements Serializable{
    static Logger log = Logger.getLogger(TQIActivitySheetActionBean.class);

// tried it here first  
//  @In
//  EntityManager entityManager;


    @Out(value="tqiDayActionBeansForTheWeek", required=false)
    List<TQIDayActionBean> tqiDayActionBeansForTheWeek;

//  List<DaysOfTheWeek> daysOfTheWeekEnum;

    private BigDecimal currentlySelectedWeekActivitySheetSysid;

    @PostConstruct
    public void init(){
        log.debug("calling init");
        this.tqiDayActionBeansForTheWeek = new ArrayList<TQIDayActionBean>();
        this.updateDataWhenWeekChanges();
    }
 getters/setters more stuff ....