do not find field name(Invalid property name)

※JPAContainer 3.2.0
※Eclipselink 2.6.0
※JDK 1.7.0_79
※Vaadin 7
※Eclipse Luna
※Tomcat7

@Theme("mytheme")
@SuppressWarnings("serial")
@Widgetset("kr.co.skinfosec.admin.AppWidgetSet")
public class MyPortletUI extends UI {

    public static final String PERSISTENCE_UNIT = "normalization-policy";
    
    private EntityManagerFactory emf;
    private EntityManager em;
    private JPAContainer<Test1> ExContainer;
    private CachingMutableLocalEntityProvider<Test1> entityProvider3;
    
    @Override
    protected void init(VaadinRequest request) {
        emf = Persistence.createEntityManagerFactory(MyPortletUI.PERSISTENCE_UNIT);
        em = emf.createEntityManager();
        entityProvider3 = new CachingMutableLocalEntityProvider<Test1>(Test1.class, em);
        
        ExContainer = new JPAContainer<Test1> (Test1.class);
        ExContainer.setEntityProvider(entityProvider3);
        ExContainer.addNestedContainerProperty("test2.name"); <<< Error Position
        
        Table personTable = new Table("The Persistent People", ExContainer);
        personTable.setVisibleColumns(new Object[] {"id","pwd","test2.name"});
        personTable.setColumnHeader("test2.name", "name");
        setContent(personTable);
    }
}

@Entity
@Table(name = "Test1")
@NamedQuery(name="Test1.findAll", query="SELECT t1 FROM Test1 t1")
public class Test1 implements Serializable {
    private static final long serialVersionUID = -8012776395204686026L;
    public Test1() {
        test2 = new ArrayList<Test2>();
    }
    
    public Test1(Long idx, String id, String pwd) {
        super();
        this.idx = idx;
        this.id = id;
        this.pwd = pwd;
        this.test2 = new ArrayList<Test2>();
    }

    @Id
    @Column(name = "idx")
    private Long idx;
    
    @Column(name = "id")
    private String id;
    
    @Column(name = "pwd")
    private String pwd;

    @OneToMany(mappedBy = "test1", fetch=FetchType.EAGER)
    private List<Test2> test2;

    ... more code ...
}

@Entity
@Table(name = "Test2")
@NamedQuery(name="Test2.findAll", query="SELECT t2 FROM Test2 t2")
public class Test2 implements Serializable {
    /**
     * 
     */
    private static final long serialVersionUID = 2450191726907847559L;
    
    public Test2() {
    }
    
    public Test2(long idx, String name, String address, Test1 test1) {
        this.idx = idx;
        this.name = name;
        this.address = address;
        this.test1 = test1;
    }

    @Id
    @Column(name = "idx")
    private Long idx;
    
    @Column(name = "name")
    private String name;
    
    @Column(name = "address")
    private String address;
    
    @ManyToOne
    @JoinColumn(name="midx", nullable=false)
    private Test1 test1;

    .... more code....
}

17:56:13,706 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/ISAPAdminPortlet-0.1-SNAPSHOT].[Administration Servlet]] (http-localhost-127.0.0.1-8080-2) Servlet.service() for servlet Administration Servlet threw exception: java.lang.IllegalArgumentException: Invalid property name
    at com.vaadin.addon.jpacontainer.PropertyList.getNestedProperty(PropertyList.java:410) [jpacontainer-3.2.0.jar:3.2.0]
    at com.vaadin.addon.jpacontainer.PropertyList.addNestedProperty(PropertyList.java:250) [jpacontainer-3.2.0.jar:3.2.0]
    at com.vaadin.addon.jpacontainer.JPAContainer.addNestedContainerProperty(JPAContainer.java:291) [jpacontainer-3.2.0.jar:3.2.0]
    at kr.co.skinfosec.admin.MyPortletUI.init(MyPortletUI.java:37) [classes:]
    at com.vaadin.ui.UI.doInit(UI.java:675) [vaadin-server-7.5.2.jar:7.5.2]
    at com.vaadin.server.communication.UIInitHandler.getBrowserDetailsUI(UIInitHandler.java:214) [vaadin-server-7.5.2.jar:7.5.2]
    at com.vaadin.server.communication.UIInitHandler.synchronizedHandleRequest(UIInitHandler.java:74) [vaadin-server-7.5.2.jar:7.5.2]
    at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41) [vaadin-server-7.5.2.jar:7.5.2]
    at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1408) [vaadin-server-7.5.2.jar:7.5.2]
    at com.vaadin.server.VaadinPortlet.handleRequest(VaadinPortlet.java:472) [vaadin-server-7.5.2.jar:7.5.2]
    at com.vaadin.server.VaadinPortlet.serveResource(VaadinPortlet.java:551) [vaadin-server-7.5.2.jar:7.5.2]
    at com.liferay.portlet.FilterChainImpl.doFilter(FilterChainImpl.java:122)
    at com.liferay.portlet.ScriptDataPortletFilter.doFilter(ScriptDataPortletFilter.java:82)

At the first glance there seems to be classnames included in your propertynames. Remove "test2." from your propertynames.

Here is good tutorial to how to use JPAcontainer

http://vaadin.com/download/jpacontainer-tutorial/
 

Thanks for your help