It should have worked. Could it be bug in JSF implementation which has
been fixed in some later build?
Thanks,
Sahoo
Max Poon wrote:
> Hi Sahoo
>
> I tried including simpleHibernateAppAgent (which already has an
> implicit no-arg constructor) as JSF managed bean in faces-config.xml :
>
> <managed-bean>
> <managed-bean-name>manufacturer</managed-bean-name>
>
> <managed-bean-class>simpleHibernateApp.controller.ManufacturerController</managed-bean-class>
>
> <managed-bean-scope>session</managed-bean-scope>
> </managed-bean>
> <managed-bean>
> <managed-bean-name>jmxAgent</managed-bean-name>
>
> <managed-bean-class>simpleHibernateApp.agents.simpleHibernateAppAgent</managed-bean-class>
>
> <managed-bean-scope>application</managed-bean-scope>
> </managed-bean>
>
> But simpleHibernateAppAgent seems not loaded
>
> [#|2007-04-24T13:31:06.681+0800|INFO|sun-appserver-pe9.0|javax.enterprise.system.container.web|_ThreadID=10;_ThreadName=main;SimpleHibernateApp;server;/SimpleHibernateApp;|WEB0100:
> Loading web module [SimpleHibernateApp] in virtual server [server] at
> [/SimpleHibernateApp]|#]
>
> [#|2007-04-24T13:31:06.811+0800|INFO|sun-appserver-pe9.0|javax.enterprise.system.core.naming|_ThreadID=10;_ThreadName=main;java:comp/env/simpleHibernateApp.controller.ManufacturerController/emf;|naming.bind|#]
>
>
> [#|2007-04-24T13:31:06.811+0800|INFO|sun-appserver-pe9.0|javax.enterprise.system.core.naming|_ThreadID=10;_ThreadName=main;java:comp/env/simpleHibernateApp.controller.ProductCodeController/emf;|naming.bind|#]
>
>
> [#|2007-04-24T13:31:06.811+0800|INFO|sun-appserver-pe9.0|javax.enterprise.system.core.naming|_ThreadID=10;_ThreadName=main;java:comp/env/simpleHibernateApp.controller.ProductController/emf;|naming.bind|#]
>
>
> [#|2007-04-24T13:31:06.811+0800|INFO|sun-appserver-pe9.0|javax.enterprise.system.container.web|_ThreadID=10;_ThreadName=main;glassbox;server;/glassbox;|WEB0100:
> Loading web module [glassbox] in virtual server [server] at
> [/glassbox]|#]
>
> And emf still null after @PersistenceUnit injection.
>
> Anything I missed?
>
> Thanks again
> Max
>
>
> Sanjeeb Kumar Sahoo wrote:
>> Hi Max,
>>
>> Resource Injection is not supported in an MBean. Refer to "Table
>> J2EE.5-1: Component classes supporting injection" in Java EE 5
>> platform spec for further details.
>>
>> Thanks,
>> Sahoo
>> Max Poon wrote:
>>> Hi
>>>
>>> I was configuring statistics collection via Hibernate JMX for an
>>> JPA-Hibernate application created
>>> http://wiki.netbeans.org/wiki/view/UsingHibernateWithJPA. I created
>>> the following :
>>>
>>> * simpleHibernateAppAgent.java
>>> o web-tier JMX Agent with @PersistenceUnit resource
>>> injection which unfortunately was not successful (the
>>> injected EntityManagerFactory emf was found to be null as
>>> indicated in debug results in server.log).
>>> simpleHibernateAppAgent is very similar to other web-tier
>>> controller codes with successful @PersistenceUnit
>>> injection.
>>> * ManufacturerController.java
>>> o web-tier controller codes with successful @PersistenceUnit
>>> injection, shown by successful execution of Entity queries
>>> and also debug statements showing emf != null.
>>> * persistence.xml
>>> o included as reference.
>>>
>>> [Note: When I modified simpleHibernateAppAgent.getDefault( ) and
>>> init( ) to getDefault(emf) and init(emf) and to pass emf as a
>>> parameter from ManufacturerController to
>>> simpleHibernateAppAgent.getDefault(emf), everything seem to work
>>> fine. Just seems that @PersistenceUnit injection in
>>> simpleHibernateAppAgent is not working.]
>>>
>>> *Question:* Both simpleHibernateappAgent and ManufacturerController
>>> are using same @PersistenceUnit to inject the EntityManagerFactory
>>> but why is injection failed in 1st case while succeeded in 2nd case?
>>>
>>> Appreciate any advice.
>>>
>>> Thanks
>>> Max
>>> ------------------------------------------------------------------------
>>>
>>>
>>> /*
>>> * simpleHibernateAppAgent.java
>>> *
>>> */
>>>
>>> package simpleHibernateApp.agents;
>>>
>>> import java.lang.management.ManagementFactory;
>>> import javax.annotation.Resource;
>>> import javax.management.MBeanServer;
>>> import javax.management.ObjectName;
>>> import javax.persistence.EntityManagerFactory;
>>> import javax.persistence.EntityManager;
>>> import javax.persistence.Persistence;
>>> import javax.persistence.PersistenceUnit;
>>> import javax.transaction.UserTransaction;
>>> import net.sf.ehcache.CacheManager;
>>> import net.sf.ehcache.management.ManagementService;
>>> import org.hibernate.Session;
>>> import org.hibernate.SessionFactory;
>>> import org.hibernate.jmx.StatisticsService;
>>>
>>> /**
>>> * JMX agent class.
>>> * You may use the New JMX MBean wizard to create a Managed Bean.
>>> * @author Max.Poon_at_Sun.COM
>>> */
>>> public class simpleHibernateAppAgent {
>>> @PersistenceUnit(unitName = "SimpleHibernateAppPU")
>>> EntityManagerFactory emf;
>>>
>>> private EntityManager em = null;
>>> private Session session = null;
>>> private SessionFactory sf = null;
>>> /**
>>> * Instantiate and register your MBeans.
>>> */
>>> public void init() throws Exception {
>>> try {
>>> if (emf == null) System.out.println("****** emf null");
>>> em = emf.createEntityManager();
>>> if (em == null) System.out.println("****** em null");
>>> session = (Session) em.getDelegate();
>>> if (session == null) System.out.println("****** session
>>> null");
>>> sf = session.getSessionFactory();
>>> if (sf == null) System.out.println("****** sf null");
>>> } catch (Exception ex) {
>>> System.out.println(ex);
>>> } finally {
>>> em.close();
>>> }
>>>
>>> MBeanServer mBeanServer =
>>> ManagementFactory.getPlatformMBeanServer();
>>> ObjectName on = new
>>> ObjectName("Hibernate:type=statistics,application=SimpleHibernateApp");
>>>
>>> StatisticsService statsMBean = new StatisticsService();
>>> statsMBean.setStatisticsEnabled(true);
>>> statsMBean.setSessionFactory(sf);
>>> mBeanServer.registerMBean(statsMBean, on);
>>> CacheManager cacheMgr = new CacheManager();
>>> ManagementService.registerMBeans(cacheMgr, mBeanServer,
>>> true, true, true, true);
>>> }
>>> /**
>>> * Returns an agent singleton.
>>> */
>>> public synchronized static simpleHibernateAppAgent getDefault()
>>> throws Exception {
>>> if(singleton == null) {
>>> singleton = new simpleHibernateAppAgent();
>>> singleton.init();
>>> }
>>> return singleton;
>>> }
>>> public MBeanServer getMBeanServer() {
>>> return mbs;
>>> }
>>> // Platform MBeanServer used to register your MBeans
>>> private final MBeanServer mbs =
>>> ManagementFactory.getPlatformMBeanServer();
>>> // Singleton instance
>>> private static simpleHibernateAppAgent singleton;
>>> }
>>>
>>> ------------------------------------------------------------------------
>>>
>>>
>>> /*
>>> * ManufacturerController.java
>>> *
>>> */
>>>
>>> package simpleHibernateApp.controller;
>>>
>>> import java.util.ArrayList;
>>> import java.util.Collection;
>>> import javax.annotation.Resource;
>>> import javax.faces.application.FacesMessage;
>>> import javax.faces.context.FacesContext;
>>> import javax.faces.model.DataModel;
>>> import javax.faces.model.ListDataModel;
>>> import javax.persistence.EntityManager;
>>> import javax.persistence.EntityManagerFactory;
>>> import javax.persistence.PersistenceUnit;
>>> import javax.persistence.Query;
>>> import javax.transaction.UserTransaction;
>>> import simpleHibernateApp.agents.simpleHibernateAppAgent;
>>> import simpleHibernateApp.entities.Manufacturer;
>>>
>>>
>>> /**
>>> *
>>> * @author Max.Poon_at_Sun.COM
>>> */
>>> public class ManufacturerController {
>>> /** Creates a new instance of ManufacturerController */
>>> public ManufacturerController() { }
>>>
>>> private Manufacturer manufacturer;
>>>
>>> private DataModel model;
>>>
>>> @Resource
>>> private UserTransaction utx;
>>>
>>> @PersistenceUnit(unitName = "SimpleHibernateAppPU")
>>> private EntityManagerFactory emf;
>>>
>>> private EntityManager getEntityManager() {
>>> initJMX();
>>> return emf.createEntityManager();
>>> }
>>>
>>> // Initiate JMX Agent if needed
>>> void initJMX() {
>>> try {
>>> simpleHibernateAppAgent.getDefault();
>>> } catch (Exception ex) {
>>> ex.printStackTrace();
>>> }
>>> }
>>>
>>> private int batchSize = 20;
>>>
>>> private int firstItem = 0;
>>>
>>> public Manufacturer getManufacturer() {
>>> return manufacturer;
>>> }
>>>
>>> public void setManufacturer(Manufacturer manufacturer) {
>>> this.manufacturer = manufacturer;
>>> }
>>>
>>> public DataModel getDetailManufacturers() {
>>> return model;
>>> }
>>>
>>> public void setDetailManufacturers(Collection<Manufacturer> m) {
>>> model = new ListDataModel(new ArrayList(m));
>>> }
>>>
>>> public String createSetup() {
>>> this.manufacturer = new Manufacturer();
>>> return "manufacturer_create";
>>> }
>>>
>>> public String create() {
>>> EntityManager em = null;
>>> try {
>>> utx.begin();
>>> em = getEntityManager();
>>> em.persist(manufacturer);
>>> utx.commit();
>>> addSuccessMessage("Manufacturer was successfully
>>> created.");
>>> } catch (Exception ex) {
>>> try {
>>> addErrorMessage(ex.getLocalizedMessage());
>>> utx.rollback();
>>> } catch (Exception e) {
>>> addErrorMessage(e.getLocalizedMessage());
>>> }
>>> } finally {
>>> em.close();
>>> }
>>> return "manufacturer_list";
>>> }
>>>
>>> public String detailSetup() {
>>> setManufacturerFromRequestParam();
>>> return "manufacturer_detail";
>>> }
>>>
>>> public String editSetup() {
>>> setManufacturerFromRequestParam();
>>> return "manufacturer_edit";
>>> }
>>>
>>> public String edit() {
>>> EntityManager em = null;
>>> try {
>>> utx.begin();
>>> em = getEntityManager();
>>> manufacturer = em.merge(manufacturer);
>>> utx.commit();
>>> addSuccessMessage("Manufacturer was successfully
>>> updated.");
>>> } catch (Exception ex) {
>>> try {
>>> addErrorMessage(ex.getLocalizedMessage());
>>> utx.rollback();
>>> } catch (Exception e) {
>>> addErrorMessage(e.getLocalizedMessage());
>>> }
>>> } finally {
>>> em.close();
>>> }
>>> return "manufacturer_list";
>>> }
>>>
>>> public String destroy() {
>>> EntityManager em = null;
>>> try {
>>> utx.begin();
>>> Manufacturer manufacturer =
>>> getManufacturerFromRequestParam();
>>> em = getEntityManager();
>>> manufacturer = em.merge(manufacturer);
>>> em.remove(manufacturer);
>>> utx.commit();
>>> addSuccessMessage("Manufacturer was successfully
>>> deleted.");
>>> } catch (Exception ex) {
>>> try {
>>> addErrorMessage(ex.getLocalizedMessage());
>>> utx.rollback();
>>> } catch (Exception e) {
>>> addErrorMessage(e.getLocalizedMessage());
>>> }
>>> } finally {
>>> em.close();
>>> }
>>> return "manufacturer_list";
>>> }
>>>
>>> public Manufacturer getManufacturerFromRequestParam() {
>>> EntityManager em = getEntityManager();
>>> try{
>>> Manufacturer o = (Manufacturer) model.getRowData();
>>> o = em.merge(o);
>>> return o;
>>> } finally {
>>> em.close();
>>> }
>>> }
>>>
>>> public void setManufacturerFromRequestParam() {
>>> Manufacturer manufacturer = getManufacturerFromRequestParam();
>>> setManufacturer(manufacturer);
>>> }
>>>
>>> public DataModel getManufacturers() {
>>> EntityManager em = getEntityManager();
>>> try{
>>> Query q = em.createQuery("select object(o) from
>>> Manufacturer as o");
>>> q.setMaxResults(batchSize);
>>> q.setFirstResult(firstItem);
>>> model = new ListDataModel(q.getResultList());
>>> return model;
>>> } finally {
>>> em.close();
>>> }
>>> }
>>>
>>> public static void addErrorMessage(String msg) {
>>> FacesMessage facesMsg = new
>>> FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg);
>>> FacesContext fc = FacesContext.getCurrentInstance();
>>> fc.addMessage(null, facesMsg);
>>> }
>>>
>>> public static void addSuccessMessage(String msg) {
>>> FacesMessage facesMsg = new
>>> FacesMessage(FacesMessage.SEVERITY_INFO, msg, msg);
>>> FacesContext fc = FacesContext.getCurrentInstance();
>>> fc.addMessage("successInfo", facesMsg);
>>> }
>>>
>>> public Manufacturer findManufacturer(Integer id) {
>>> EntityManager em = getEntityManager();
>>> try{
>>> Manufacturer o = (Manufacturer)
>>> em.find(Manufacturer.class, id);
>>> return o;
>>> } finally {
>>> em.close();
>>> }
>>> }
>>>
>>> public int getItemCount() {
>>> EntityManager em = getEntityManager();
>>> try{
>>> int count = ((Long) em.createQuery("select count(o) from
>>> Manufacturer as o").getSingleResult()).intValue();
>>> return count;
>>> } finally {
>>> em.close();
>>> }
>>> }
>>>
>>> public int getFirstItem() {
>>> return firstItem;
>>> }
>>>
>>> public int getLastItem() {
>>> int size = getItemCount();
>>> return firstItem + batchSize > size ? size : firstItem +
>>> batchSize;
>>> }
>>>
>>> public int getBatchSize() {
>>> return batchSize;
>>> }
>>>
>>> public String next() {
>>> if (firstItem + batchSize < getItemCount()) {
>>> firstItem += batchSize;
>>> }
>>> return "manufacturer_list";
>>> }
>>>
>>> public String prev() {
>>> firstItem -= batchSize;
>>> if (firstItem < 0) {
>>> firstItem = 0;
>>> }
>>> return "manufacturer_list";
>>> }
>>> }
>>>
>>> ------------------------------------------------------------------------
>>>
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <persistence version="1.0"
>>> xmlns="http://java.sun.com/xml/ns/persistence"
>>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>> xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
>>> http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
>>> <persistence-unit name="SimpleHibernateAppPU" transaction-type="JTA">
>>> <provider>org.hibernate.ejb.HibernatePersistence</provider>
>>> <jta-data-source>jdbc/sample</jta-data-source>
>>> <class>simpleHibernateApp.entities.Manufacturer</class>
>>> <class>simpleHibernateApp.entities.Product</class>
>>> <class>simpleHibernateApp.entities.ProductCode</class>
>>> <properties>
>>> <property name="hibernate.dialect"
>>> value="org.hibernate.dialect.DerbyDialect" />
>>> <property name="hibernate.generate_statistics" value="true" />
>>> <!-- cache configuration -->
>>> <property name="hibernate.cache.provider_class"
>>> value="net.sf.ehcache.hibernate.SingletonEhCacheProvider" />
>>> <property name="hibernate.cache.provider_configuration"
>>> value="/ehcache.cfg.xml" />
>>> <property name="hibernate.cache.use_query_cache"
>>> value="true" />
>>> <property name="hibernate.cache.use_second_level_cache"
>>> value="true" />
>>> <property
>>> name="hibernate.ejb.classcache.simpleHibernateApp.entities.Manufacturer"
>>> value="read-only"/>
>>> <property
>>> name="hibernate.ejb.classcache.simpleHibernateApp.entities.Product"
>>> value="read-only"/>
>>> <property
>>> name="hibernate.ejb.classcache.simpleHibernateApp.entities.ProductCode"
>>> value="read-only"/>
>>> <!-- <property
>>> name="hibernate.ejb.collectioncache.simpleHibernateApp.entities.Manufacturer.products"
>>> value="read-only"/> -->
>>> <!-- <property name="hibernate.ejb.cfgfile"
>>> value="/org/hibernate/ejb/test/hibernate.cfg.xml"/> -->
>>> </properties>
>>> </persistence-unit>
>>> </persistence>
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: dev-unsubscribe_at_glassfish.dev.java.net
>>> For additional commands, e-mail: dev-help_at_glassfish.dev.java.net
>>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: dev-unsubscribe_at_glassfish.dev.java.net
>> For additional commands, e-mail: dev-help_at_glassfish.dev.java.net
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe_at_glassfish.dev.java.net
> For additional commands, e-mail: dev-help_at_glassfish.dev.java.net
>