Re: [castor-dev] Help with java.lang.IllegalStateException: Field access error:

[Kalpesh Patel]

Peter,

The mapping is incorrect.If you are using Vector instead of collection then
the mapping should be

<field name="giftCertRedemption"
type="org.justgive.model.GiftCertificateRedemption" collection="vector">
          <sql many-key="transactionid" />
          <bind-xml name="gc-redemption" node="element" />
      </field>

NOTE:I made the name of the field to "giftCertRedemption" instead of
"giftCertRedemptions".


The problem was that it tried to find a getGiftCertRedemptionss method (note
and extra 's'),which it was not able to find so it then tries to access the
field "giftCertRedemptions" directly   , but as its private so it threw the
InvocationTargetException.

-Kalpesh

-----Original Message-----
From: peter c [mailto:[EMAIL PROTECTED]
Sent: Thursday, September 02, 2004 2:53 AM
To: [EMAIL PROTECTED]
Subject: [castor-dev] Help with java.lang.IllegalStateException: Field
access error:



When I attempt to Marshall a a Transaction object (see bewlow for details;
code/mapping),
which contains a GiftCertificateRedemption I get the following error:

java.lang.IllegalStateException: Field access error:
giftCertRedemptions(org.justgive.model.GiftCertificateRedemption) access
resulted
in exception: java.lang.reflect.InvocationTargetException
        at
org.exolab.castor.mapping.loader.FieldHandlerImpl.getValue(FieldHandlerImpl.
java:383)

        at
org.exolab.castor.xml.FieldValidator.validate(FieldValidator.java:195)
        at
org.exolab.castor.xml.util.XMLClassDescriptorImpl.validate(XMLClassDescripto
rImpl.java:892)

        at org.exolab.castor.xml.Validator.validate(Validator.java:122)
        at org.exolab.castor.xml.Marshaller.validate(Marshaller.java:2068)
        at org.exolab.castor.xml.Marshaller.marshal(Marshaller.java:774)
        etc....

Included is the basics of the Transaction class, the
GiftCertificateRedemptions
class and their mappings.
can anyone help??

thanks,
-peter
-----------------------------

public class Transaction implements TimeStampable, Persistent
{
    private Integer id;

    private Vector giftCertRedemptions;

    public void setId(Integer newValue)
    {
        id = newValue;
    }

    public Integer getId()
   {
       return id;
    }

    public void setGiftCertRedemptions(Vector newValue)
    {
        this.giftCertRedemptions = newValue;
    }

    public Vector getGiftCertRedemptions()
    {
        return giftCertRedemptions;
    }

    public void addGiftCertRedemption(GiftCertificateRedemption newValue)
    {
        giftCertRedemptions.add(newValue);
     }
}

public class GiftCertificateRedemption implements TimeStampable
{
    public static Integer GIFT_PROFILE = new Integer(3672);

    private Integer id;
    private Integer transactionId;
    private Integer amountRedeemed;
    public Integer giftCertId;

    public GiftCertificateRedemption()
    {
    //nada
    }

    public void setId(Integer newValue)
    {
        this.id = newValue;
    }

    public Integer getId()
    {
        return this.id;
    }

    public void setGiftCertId(Integer newValue)
    {
        giftCertId = newValue;
    }

    public Integer getGiftCertId()
    {
        return giftCertId;
    }

    public void setTransactionId(Integer newValue)
    {
        this.transactionId = newValue;
    }

    public Integer getTransactionId()
    {
        return this.transactionId;
    }

    public void setAmountRedeemed(Integer newValue)
    {
        this.amountRedeemed = newValue;
    }

    public Integer getAmountRedeemed()
    {
        return this.amountRedeemed;
    }
}


  <key-generator name="SEQUENCE" alias="TRANSSEQ">
    <param name="sequence" value="transactions_trans_id_seq"/>
  </key-generator>

  <class name="org.justgive.model.Transaction" identity="id"
key-generator="TRANSSEQ">
      <description>Models a transaction</description>
      <map-to table="transactions" xml="transaction" />
      <field name="id" type="integer" >
          <sql name="trans_id" type="integer"/>
          <bind-xml name="id" node="element"/>
      </field>
      <!-- giftCertRedemptions is a Vector of GiftCertificateRedemption
Objects -->

      <field name="giftCertRedemptions"
type="org.justgive.model.GiftCertificateRedemption" collection="vector">
          <sql many-key="transactionid" />
          <bind-xml name="gc-redemption" node="element" />
      </field>
  </class>


  <key-generator name="SEQUENCE" alias="GIFTCERTREDEEMSEQ">
    <param name="sequence" value="gc_redemptions_redemptionid_seq"/>
  </key-generator>

  <class name="org.justgive.model.GiftCertificateRedemption" identity="id"
         key-generator="GIFTCERTREDEEMSEQ"
depends="org.justgive.model.Transaction">
      <description>Models a Gift Certificate redemption</description>
      <map-to table="gc_redemptions" xml="gc-redemptions" />
      <field name="id" type="integer" >
          <sql name="redemptionid" type="integer"/>
          <bind-xml name="id" node="element"/>
      </field>
      <field name="transactionId" type="integer" >
          <sql name="transactionid" type="integer"/>
          <bind-xml name="transaction-id" node="element"/>
      </field>
      <field name="giftCertId" type="integer" >
          <sql name="giftcertid" type="integer"/>
          <bind-xml name="giftcert-id" node="element"/>
      </field>
      <field name="amountRedeemed" type="integer" >
          <sql name="amountredeemed" type="integer" />
          <bind-xml name="amount-redeemed" node="element"/>
      </field>
  </class>



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