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munger
 Post subject: many-to-one for a foreign key generates strange error
PostPosted: Mon Mar 07, 2011 9:59 am 
Newbie

Joined: Wed Mar 02, 2011 9:50 am
Posts: 15
Trying to add a foreign key constraint de my class (working well at the moment):

Code:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="com.andromas.bgp.web.core.model.gwtplategridrequest">

   <class name="WellInfo" table="WELLS">

      <id name="id" type="long" column="ID">
         <generator class="native" />
      </id>
      <!-- <composite-id name="id" class="com.andromas.bgp.web.core.model.gwtplategridresponse.WellInfoIdType">
         <key-many-to-one name="plateId" class="com.andromas.bgp.web.core.model.gwtopenplaterequest.PlateType"></key-many-to-one>
         <key-property name="name" column="NAME" type="string" /> </composite-id> -->
      <property name="name" type="string" column="NAME" not-null="true"></property>
      <property name="barcode" type="string" column="BARCODE"
         not-null="true"></property>
      <property name="method" type="string" column="METHOD"
         not-null="true"></property>

      <property name="needAcquisition" type="boolean" column="NEED_ACQUISITION"></property>
      <property name="identificationResult" type="string" column="RESULT"></property>

      <property name="plateId" type="long" column="PLATE_ID" not-null="true"></property>

   </class>
</hibernate-mapping>



as soon as i change:
Code:
<property name="plateId" type="long" column="PLATE_ID" not-null="true"></property>

for
Code:
   <many-to-one name="plateId"
         class="com.andromas.bgp.web.core.model.gwtnewplaterequest.PlateType"
         column="PLATE_ID"></many-to-one>



i get the following error as soon as i add the <many-to-one> tag:

Code:
org.hibernate.PropertyAccessException: IllegalArgumentException occurred calling getter of com.andromas.bgp.web.core.model.gwtnewpla
terequest.PlateType.id
        at org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:198)
        at org.hibernate.tuple.entity.AbstractEntityTuplizer.getIdentifier(AbstractEntityTuplizer.java:230)
        at org.hibernate.persister.entity.AbstractEntityPersister.getIdentifier(AbstractEntityPersister.java:3852)
        at org.hibernate.persister.entity.AbstractEntityPersister.isTransient(AbstractEntityPersister.java:3560)
        at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:204)
        at org.hibernate.engine.ForeignKeys$Nullifier.isNullifiable(ForeignKeys.java:160)
        at org.hibernate.engine.ForeignKeys$Nullifier.nullifyTransientReferences(ForeignKeys.java:92)
        at org.hibernate.engine.ForeignKeys$Nullifier.nullifyTransientReferences(ForeignKeys.java:70)
        at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:311)
        at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)
        at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130)
        at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.
java:210)
        at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
        at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
        at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
        at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
        at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:705)
        at org.hibernate.impl.SessionImpl.save(SessionImpl.java:693)
        at org.hibernate.impl.SessionImpl.save(SessionImpl.java:689)
        at com.andromas.bgp.servlet.RESTHandler.updateWellRecord(RESTHandler.java:296)
        at com.andromas.bgp.servlet.RESTHandler.doPost(RESTHandler.java:229)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:394)
        at org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
        at org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp(SessionFixationProtectionFilter.java:67)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.providers.anonymous.AnonymousProcessingFilter.doFilterHttp(AnonymousProcessingFilter.java:10
5)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.ui.rememberme.RememberMeProcessingFilter.doFilterHttp(RememberMeProcessingFilter.java:116)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp(SecurityContextHolderAwareReque
stFilter.java:91)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.ui.basicauth.BasicProcessingFilter.doFilterHttp(BasicProcessingFilter.java:174)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.ui.webapp.DefaultLoginPageGeneratingFilter.doFilterHttp(DefaultLoginPageGeneratingFilter.jav
a:86)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:278)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.ui.logout.LogoutFilter.doFilterHttp(LogoutFilter.java:89)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter
.java:235)
        at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
        at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:406)
        at org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:185)
        at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
        at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
        at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:324)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:172)
        ... 78 more



And here is my PlateType class:
Code:
//
// This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, vhudson-jaxb-ri-2.1-2
// See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a>
// Any modifications to this file will be lost upon recompilation of the source schema.
// Generated on: 2011.03.07 at 02:40:51 PM CET
//


package com.andromas.bgp.web.core.model.gwtnewplaterequest;

import java.io.Serializable;
import java.util.Calendar;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlSchemaType;
import javax.xml.bind.annotation.XmlType;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;


/**
* <p>Java class for plateType complex type.
*
* <p>The following schema fragment specifies the expected content contained within this class.
*
* <pre>
* &lt;complexType name="plateType">
*   &lt;complexContent>
*     &lt;restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
*       &lt;sequence>
*         &lt;element name="id" type="{http://www.w3.org/2001/XMLSchema}long"/>
*         &lt;element name="creationDate" type="{http://www.w3.org/2001/XMLSchema}dateTime"/>
*         &lt;element name="modificationDate" type="{http://www.w3.org/2001/XMLSchema}dateTime" minOccurs="0"/>
*         &lt;element name="barcode" type="{http://www.w3.org/2001/XMLSchema}string" minOccurs="0"/>
*         &lt;element name="creator" type="{http://www.w3.org/2001/XMLSchema}string"/>
*         &lt;element name="noBarcode" type="{http://www.w3.org/2001/XMLSchema}boolean" minOccurs="0"/>
*       &lt;/sequence>
*     &lt;/restriction>
*   &lt;/complexContent>
* &lt;/complexType>
* </pre>
*
*
*/
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "plateType", propOrder = {
    "id",
    "creationDate",
    "modificationDate",
    "barcode",
    "creator",
    "noBarcode"
})
public class PlateType
    implements Serializable
{

    private final static long serialVersionUID = 1L;
    protected long id;
    @XmlElement(required = true, type = String.class)
    @XmlJavaTypeAdapter(Adapter1 .class)
    @XmlSchemaType(name = "dateTime")
    protected Calendar creationDate;
    @XmlElement(type = String.class)
    @XmlJavaTypeAdapter(Adapter1 .class)
    @XmlSchemaType(name = "dateTime")
    protected Calendar modificationDate;
    protected String barcode;
    @XmlElement(required = true)
    protected String creator;
    protected Boolean noBarcode;

    /**
     * Gets the value of the id property.
     *
     */
    public long getId() {
        return id;
    }

    /**
     * Sets the value of the id property.
     *
     */
    public void setId(long value) {
        this.id = value;
    }

    /**
     * Gets the value of the creationDate property.
     *
     * @return
     *     possible object is
     *     {@link String }
     *     
     */
    public Calendar getCreationDate() {
        return creationDate;
    }

    /**
     * Sets the value of the creationDate property.
     *
     * @param value
     *     allowed object is
     *     {@link String }
     *     
     */
    public void setCreationDate(Calendar value) {
        this.creationDate = value;
    }

    /**
     * Gets the value of the modificationDate property.
     *
     * @return
     *     possible object is
     *     {@link String }
     *     
     */
    public Calendar getModificationDate() {
        return modificationDate;
    }

    /**
     * Sets the value of the modificationDate property.
     *
     * @param value
     *     allowed object is
     *     {@link String }
     *     
     */
    public void setModificationDate(Calendar value) {
        this.modificationDate = value;
    }

    /**
     * Gets the value of the barcode property.
     *
     * @return
     *     possible object is
     *     {@link String }
     *     
     */
    public String getBarcode() {
        return barcode;
    }

    /**
     * Sets the value of the barcode property.
     *
     * @param value
     *     allowed object is
     *     {@link String }
     *     
     */
    public void setBarcode(String value) {
        this.barcode = value;
    }

    /**
     * Gets the value of the creator property.
     *
     * @return
     *     possible object is
     *     {@link String }
     *     
     */
    public String getCreator() {
        return creator;
    }

    /**
     * Sets the value of the creator property.
     *
     * @param value
     *     allowed object is
     *     {@link String }
     *     
     */
    public void setCreator(String value) {
        this.creator = value;
    }

    /**
     * Gets the value of the noBarcode property.
     *
     * @return
     *     possible object is
     *     {@link Boolean }
     *     
     */
    public Boolean isNoBarcode() {
        return noBarcode;
    }

    /**
     * Sets the value of the noBarcode property.
     *
     * @param value
     *     allowed object is
     *     {@link Boolean }
     *     
     */
    public void setNoBarcode(Boolean value) {
        this.noBarcode = value;
    }

}





Could you please help me ?

Thanks a lot
Top
 Profile  
 
munger
 Post subject: Re: many-to-one for a foreign key generates strange error
PostPosted: Wed Mar 09, 2011 4:43 am 
Newbie

Joined: Wed Mar 02, 2011 9:50 am
Posts: 15
I suppose it is a real newbie problem, i've been using hibernate for 2 weeks only, but everytime i create a many-to-one tag, i have problems saving my object, with cast exceptions.

Anyone could help please ?

Thanks
Top
 Profile  
 
munger
 Post subject: Re: many-to-one for a foreign key generates strange error
PostPosted: Mon Mar 14, 2011 4:10 am 
Newbie

Joined: Wed Mar 02, 2011 9:50 am
Posts: 15
somebody ?
thanks a lot
Top
 Profile  
 
nordborg
 Post subject: Re: many-to-one for a foreign key generates strange error
PostPosted: Mon Mar 14, 2011 6:05 am 
Expert
Expert

Joined: Wed Mar 03, 2004 6:35 am
Posts: 1240
Location: Lund, Sweden
Quote:
as soon as i change:

Code:
<property name="plateId" type="long" column="PLATE_ID" not-null="true"></property>


for
Code:
   <many-to-one name="plateId"
         class="com.andromas.bgp.web.core.model.gwtnewplaterequest.PlateType"
         column="PLATE_ID"></many-to-one>



You'll also need to make the corresponding change in your code. In your class WellInfo you probably have something like this:

Code:
private long plateId;
public long getPlateId()
{
  return plateId;
}
public void setPlateId(long plateId)
{
   this.plateId = plateId;
}


which need to be changed to:

Code:
private PlateType plateId;
public PlateType getPlateId()
{
  return plateId;
}
public void setPlateId(PlateType plateId)
{
   this.plateId = plateId;
}



I think you should also change naming conventions... eg. methods should be getPlateType()/setPlateType() and in the mapping <many-to-one name="plateType" ....>
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munger
 Post subject: Re: many-to-one for a foreign key generates strange error
PostPosted: Tue Mar 15, 2011 6:32 am 
Newbie

Joined: Wed Mar 02, 2011 9:50 am
Posts: 15
thanks a lot, i'm going to check this!
:)
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 Profile  
 
barcodecode
 Post subject: Re: many-to-one for a foreign key generates strange error
PostPosted: Mon Jun 09, 2014 2:38 am 
Newbie

Joined: Mon Jun 09, 2014 12:13 am
Posts: 1
i am having the same problem. will i solve my problem by changing these codes. i will try. appreciate the help.
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