<h:selectOneMenu> with <s:convertEntity/> and <s:selectItems
davidfed Jun 20, 2007 6:45 PMI'm trying to present a drop-down list for users to select from which is built from a list queried from the database. I will attach the selected entity to another entity.
The problem is that I get value="0" for every in the list and I get this exception (full dump at bottom) when submitting the form with a selected value:
javax.servlet.ServletException: Provided id of the wrong type. Expected: class java.lang.Long, got class java.lang.String
So I put a breakpoint in EntityConverter.getAsString and see that whereas the examples have the value parameter set to an object of an actual class (e.g. Continent in seam-ui), I have a Provider_$$_javassist_21 object. Looking into the object, the handler.target object is the data that I care about. Yet the getIdFromEntity() call returns null as found directly in the javassist subclass.
Given that all my code is very similar to the example code I don't know where to look from here.
thanks
Web page:
<s:decorate id="recentDecor" template="/WEB-INF/template/edit.txml"> <ui:define name="label">#{messages.referralSpecialistLabelRecent}</ui:define> <h:selectOneMenu value="#{referralController.recentChoice}"> <s:convertEntity/> <s:selectItems value="#{recentSpecialists}" var="spec" label="#{spec.lastName}, #{spec.firstName} #{spec.middleInitial}, #{spec.suffixName}" noSelectionLabel="#{messages.referralSpecialistNoRecent}"/> <a:support event="onchange" action="#{referralController.pickRecentSpecialist}"/> </h:selectOneMenu> </s:decorate>
Controller:
@DataModel @SuppressWarnings("unused") private List<Provider> recentSpecialists; @Factory("recentSpecialists") @SuppressWarnings("unchecked") public void loadRecentSpecialists() { recentSpecialists = entityManager.createQuery("select p from Provider p") .setMaxResults(25) .getResultList(); }
Entity Definition (getters/setters removed but completely standard):
@Entity public class Provider extends PracticeStaff { // private fields ****************************** // Should never be null. Cannot create dbms contstraint because superclasses do // allow null in this field and we are using single table inheritance. @Column(length = 10, unique = true) private String individualNpi; @org.hibernate.annotations.CollectionOfElements @JoinTable(name = "provider_specialties") @Column(name = "specialty", length = 64) @Enumerated(EnumType.STRING) private Set<Specialty> specialties = new HashSet<Specialty>(); @org.hibernate.annotations.CollectionOfElements @JoinTable(name = "provider_attachRequests") @org.hibernate.annotations.MapKey( columns = @Column(name = "docType", length = 32)) @Enumerated(EnumType.STRING) @Column(name = "providerNote", length = 255) private Map<Document.DocType, String> attachRequests = new HashMap<Document.DocType, String>(); @Column(length = 600) private String areasOfInterest; @Column(length = 128) private String picturePath; @Column(length = 600) private String education; @Column(length = 600) private String certification; // Constructors ****************************** public Provider() { } public Provider(String prefixName, String firstName, String middleName, String lastName, String suffixName, Calendar birthDate, Gender gender, String individualNpi) { super(prefixName, firstName, middleName, lastName, suffixName, birthDate, gender); if (individualNpi == null) throw new IllegalArgumentException("individualNpi cannot be null"); setIndividualNpi(individualNpi); } // Accessors ****************************** } @Entity public class PracticeStaff extends Person { // private fields ****************************** @ManyToMany(cascade = {CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH}) @JoinTable(name = "staff_location") private Set<Location> locations = new HashSet<Location>(); @ManyToOne(cascade = {CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH}, fetch = FetchType.LAZY) @org.hibernate.annotations.ForeignKey(name = "FK_PRACTICE") // friendly name private Practice practice; // Constructors ****************************** public PracticeStaff() { } public PracticeStaff(String prefixName, String firstName, String middleName, String lastName, String suffixName, Calendar birthDate, Gender gender) { super(prefixName, firstName, middleName, lastName, suffixName, birthDate, gender); } // Accessors ****************************** } @Entity @org.hibernate.annotations.Entity(dynamicInsert = true, dynamicUpdate = true) // faster updates and inserts @Table(uniqueConstraints = { @UniqueConstraint(columnNames = { "firstName", "middleName", "lastName", "birthDate", "gender"} ) } ) @Inheritance(strategy = InheritanceType.SINGLE_TABLE) public class Person implements Serializable { // private fields ****************************** @Id @GeneratedValue private Long id = null; @SuppressWarnings("unused") // hibernate uses for optimistic locking @Version private int version = 0; @Column(length = 16) private String prefixName; @Column(length = 32, nullable = false) private String firstName; @Column(length = 32) private String middleName; @Column(length = 32, nullable = false) private String lastName; @Column(length = 16) private String suffixName; @Temporal(TemporalType.DATE) @Column(nullable = false) private Calendar birthDate; @Column(nullable = false) private Gender gender; @Column(length = 9, unique = true) private String ssn; @Embedded private Address homeAddress; @Column(length = 32) private String homePhone; @Column(length = 32) private String workPhone; @Column(length = 32) private String cellPhone; @Column(length = 64) private String altEmail; // additional email used to contact this person. primary email is account.loginName @Temporal(TemporalType.TIMESTAMP) private Date demographicsVerified; // TODO - last time user verified their demographic info @Column(length = 32) private String plan1Id; @Column(length = 32) private String plan1Group; @ManyToOne(cascade = {CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH}, fetch = FetchType.LAZY) @org.hibernate.annotations.ForeignKey(name = "FK_PLAN1_SUBSCRIBER") // friendly name private Person plan1Subscriber; // if null, the patient is the subscriber @Column(length = 32) private String plan2Id; @Column(length = 32) private String plan2Group; @ManyToOne(cascade = {CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH}, fetch = FetchType.LAZY) @org.hibernate.annotations.ForeignKey(name = "FK_PLAN2_SUBSCRIBER") // friendly name private Person plan2Subscriber; // if null, the patient is the subscriber @OneToMany(mappedBy = "person", cascade = CascadeType.ALL) @org.hibernate.annotations.Cascade( org.hibernate.annotations.CascadeType.DELETE_ORPHAN) private Set<Account> accounts = new HashSet<Account>(); // Constructors ****************************** public Person() { } public Person(String prefixName, String firstName, String middleName, String lastName, String suffixName, Calendar birthDate, Gender gender) { setPrefixName(prefixName); setFirstName(firstName); setMiddleName(middleName); setLastName(lastName); setSuffixName(suffixName); setBirthDate(birthDate); setGender(gender); } // Accessors ****************************** // Common methods ****************************** public boolean equals(Object o) { if (this == o) return true; if (!(o instanceof Person)) return false; final Person person = (Person) o; if (!firstName.equals(person.firstName)) return false; if (!middleName.equals(person.middleName)) return false; if (!lastName.equals(person.lastName)) return false; if (!gender.equals(person.gender)) return false; if (!birthDate.equals(person.birthDate)) return false; return true; } public int hashCode() { int result; result = firstName.hashCode(); result = 29 * result + middleName.hashCode(); result = 29 * result + lastName.hashCode(); result = 29 * result + gender.hashCode(); result = 29 * result + birthDate.hashCode(); return result; } }
The exception:
org.hibernate.TypeMismatchException: Provided id of the wrong type. Expected: class java.lang.Long, got class java.lang.String at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:84) at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878) at org.hibernate.impl.SessionImpl.get(SessionImpl.java:815) at org.hibernate.impl.SessionImpl.get(SessionImpl.java:808) at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:174) at org.jboss.seam.persistence.EntityManagerProxy.find(EntityManagerProxy.java:78) at org.jboss.seam.ui.EntityConverter.loadEntityFromPersistenceContext(EntityConverter.java:224) at org.jboss.seam.ui.EntityConverter.getAsObject(EntityConverter.java:200) at org.jboss.seam.ui.PrioritizableConverter.getAsObject(PrioritizableConverter.java:61) at org.jboss.seam.ui.ConverterChain.getAsObject(ConverterChain.java:105) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getConvertedUIOutputValue(RendererUtils.java:651) at org.apache.myfaces.shared_impl.renderkit.html.HtmlMenuRendererBase.getConvertedValue(HtmlMenuRendererBase.java:111) at javax.faces.component.UIInput.getConvertedValue(UIInput.java:395) at javax.faces.component.UIInput.validate(UIInput.java:349) at javax.faces.component.UIInput.processValidators(UIInput.java:183) at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624) at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624) at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624) at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624) at javax.faces.component.UIForm.processValidators(UIForm.java:70) at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624) at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:146) at org.ajax4jsf.framework.ajax.AjaxViewRoot.access$201(AjaxViewRoot.java:53) at org.ajax4jsf.framework.ajax.AjaxViewRoot$3.invokeRoot(AjaxViewRoot.java:302) at org.ajax4jsf.framework.ajax.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:54) at org.ajax4jsf.framework.ajax.AjaxContext.invokeOnRegionOrRoot(AjaxContext.java:176) at org.ajax4jsf.framework.ajax.AjaxViewRoot.processValidators(AjaxViewRoot.java:315) at org.apache.myfaces.lifecycle.LifecycleImpl.processValidations(LifecycleImpl.java:262) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:619)