Ok i have been trying this for days on end but cant seem to figure what is wrong. The basic idea here is that i am trying to create a restful web service that would display properties of of two entity beans having multiplicity bidirectional relationship with each other. Now i want to use moxy implementation of JAXB to take advantage of @XmlInverseReference annotation to maintain referential integrity, but keep coming up with exceptions. below is an except from my classes i am using glassfish 3.1.1 and moxy eclipselink 2.3.0
Passenger Class:
package kharesoft.sita;
import java.io.Serializable;
import java.util.Date;
import java.util.List;
import java.util.Set;
import javax.persistence.*;
import javax.xml.bind.annotation.*;
@XmlRootElement
@XmlType(propOrder = {"id", "firstName", "lastName", "boardingNo", "seatNo", "flightNo", "dateOfFlight", "bags"})
@Entity
@NamedQuery(name = "findPaxByBagTag", query = "select p from Passenger p,IN (p.bags) b where b.bagTagNo=:bagTagNo")
@XmlAccessorType(XmlAccessType.FIELD)
public class Passenger implements Serializable {
@XmlElement
private String firstName;
@XmlElement
private String lastName;
@XmlElement
private String boardingNo;
@XmlElement
private String seatNo;
@XmlElement
private String flightNo;
@XmlElement
@Temporal(javax.persistence.TemporalType.DATE)
private Date dateOfFlight;
@XmlElementWrapper
@XmlElements({
@XmlElement(name = "bagtag")})
@OneToMany(mappedBy = "passenger")
private Set<Bag> bags;
private static final long serialVersionUID = 1L;
@XmlElement
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Set<Bag> getBags() {
return bags;
}
public void setBags(Set<Bag> bags) {
this.bags = bags;
}
//Remaining getters and setters not shown
@Override
public int hashCode() {
int hash = 0;
hash += (id != null ? id.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object object) {
// TODO: Warning - this method won't work in the case the id fields are not set
if (!(object instanceof Passenger)) {
return false;
}
Passenger other = (Passenger) object;
if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
return false;
}
return true;
}
@Override
public String toString() {
return "kharesoft.sita.Passenger[ id=" + id + " ]";
}
}
Bag Class:
package kharesoft.sita;
import java.io.Serializable;
import javax.persistence.*;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import org.eclipse.persistence.oxm.annotations.XmlInverseReference;
@XmlRootElement
@Entity
@NamedQuery(name = "findBagWithTagNo", query = "select b from Bag b where b.bagTagNo=:bagTagNo")
@XmlAccessorType(XmlAccessType.FIELD)
public class Bag implements Serializable {
private static final long serialVersionUID = 1L;
@XmlElement
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@XmlElement
private String bagTagNo;
@XmlElement
@ManyToOne
private Passenger passenger;
//other getters and setters not shown
@XmlInverseReference(mappedBy = "bags")
public Passenger getPassenger() {
return passenger;
}
public void setPassenger(Passenger passenger) {
this.passenger = passenger;
}
@Override
public int hashCode() {
int hash = 0;
hash += (id != null ? id.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object object) {
// TODO: Warning - this method won't work in the case the id fields are not set
if (!(object instanceof Bag)) {
return false;
}
Bag other = (Bag) object;
if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
return false;
}
return true;
}
@Override
public String toString() {
return bagTagNo;
}
}
Exception:
SEVERE: Mapped exception to response: 500 (Internal Server Error) javax.ws.rs.WebApplicationException: javax.xml.bind.JAXBException: Exception Description: Duplicate Property named [passenger] found on class [kharesoft.sita.Bag] - with linked exception: [Exception [EclipseLink-50072] (Eclipse Persistence Services - 2.3.0.v20110604-r9504): org.eclipse.persistence.exceptions.JAXBException Exception Description: Duplicate Property named [passenger] found on class [kharesoft.sita.Bag]] at com.sun.jersey.core.provider.jaxb.AbstractListElementProvider.writeTo(AbstractListElementProvider.java:183) at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:306) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1437) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98) at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59) at com.sun.grizzly.ContextTask.run(ContextTask.java:71) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513) at java.lang.Thread.run(Thread.java:722) Caused by: javax.xml.bind.JAXBException: Exception Description: Duplicate Property named [passenger] found on class [kharesoft.sita.Bag] - with linked exception: [Exception [EclipseLink-50072] (Eclipse Persistence Services - 2.3.0.v20110604-r9504): org.eclipse.persistence.exceptions.JAXBException Exception Description: Duplicate Property named [passenger] found on class [kharesoft.sita.Bag]] at org.eclipse.persistence.jaxb.JAXBContext$TypeMappingInfoInput.createContextState(JAXBContext.java:825) at org.eclipse.persistence.jaxb.JAXBContext.(JAXBContext.java:136) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:142) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:129) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:93) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:83) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:263) at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:250) at javax.xml.bind.ContextFinder.find(ContextFinder.java:400) at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:652) at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:599) at com.sun.jersey.core.provider.jaxb.AbstractJAXBProvider.getStoredJAXBContext(AbstractJAXBProvider.java:189) at com.sun.jersey.core.provider.jaxb.AbstractJAXBProvider.getJAXBContext(AbstractJAXBProvider.java:182) at com.sun.jersey.core.provider.jaxb.AbstractJAXBProvider.getMarshaller(AbstractJAXBProvider.java:160) at com.sun.jersey.core.provider.jaxb.AbstractJAXBProvider.getMarshaller(AbstractJAXBProvider.java:139) at com.sun.jersey.core.provider.jaxb.AbstractListElementProvider.writeTo(AbstractListElementProvider.java:175) ... 33 more Caused by: Exception [EclipseLink-50072] (Eclipse Persistence Services - 2.3.0.v20110604-r9504): org.eclipse.persistence.exceptions.JAXBException Exception Description: Duplicate Property named [passenger] found on class [kharesoft.sita.Bag] at org.eclipse.persistence.exceptions.JAXBException.duplicatePropertyName(JAXBException.java:943) at org.eclipse.persistence.jaxb.compiler.TypeInfo.addProperty(TypeInfo.java:265) at org.eclipse.persistence.jaxb.compiler.TypeInfo.setProperties(TypeInfo.java:292) at org.eclipse.persistence.jaxb.compiler.AnnotationsProcessor.buildTypeInfo(AnnotationsProcessor.java:677) at org.eclipse.persistence.jaxb.compiler.AnnotationsProcessor.postBuildTypeInfo(AnnotationsProcessor.java:591) at org.eclipse.persistence.jaxb.compiler.AnnotationsProcessor.buildNewTypeInfo(AnnotationsProcessor.java:4050) at org.eclipse.persistence.jaxb.compiler.AnnotationsProcessor.processPropertyTypes(AnnotationsProcessor.java:858) at org.eclipse.persistence.jaxb.compiler.AnnotationsProcessor.processClassesAndProperties(AnnotationsProcessor.java:233) at org.eclipse.persistence.jaxb.compiler.Generator.(Generator.java:147) at org.eclipse.persistence.jaxb.JAXBContext$TypeMappingInfoInput.createContextState(JAXBContext.java:822) ... 52 more
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