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Exception in mapping file (StringIndexOutOfBoundsException)

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bengalister

Post subject: Exception in mapping file (StringIndexOutOfBoundsException)

Posted: Wed Nov 22, 2006 7:51 am

Newbie

Joined: Tue Dec 27, 2005 10:39 am
Posts: 9

Hi
I get the exception below when my <subclass> element has a single <component> element like in my mapping file below.

If i add a <property> element along with the <component>, i don't get any exceptions. The problem is that i don't want to add a column to my table for a dummy property. When I declare a formula in my property
<property name="dummy" formula="...."/> i get the same error.

Hibernate version: 3.0.5

Mapping documents:

Code:

<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="folder">


           
   <subclass name="Sheet" extends="SheetWithResults">   
      <join table="SHEET" fetch="select">
      
     <key column="IDTSHEET"/>

           
          <component name="subscriptions" class="CollectionHolder">
             <bag name="items" lazy="true" cascade="all-delete-orphan">         
              <key column="SHEETID"/>
               <one-to-many class="Subscription"/>
            </bag>
          </component>
       </join>
   </subclass> 
</hibernate-mapping>

Full stack trace of any exception that occurs:

Code:

Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: -2
   at java.lang.String.substring(String.java:1444)
   at java.lang.String.substring(String.java:1411)
   at org.hibernate.persister.entity.AbstractEntityPersister.renderSelect(AbstractEntityPersister.java:2595)
   at org.hibernate.persister.entity.SingleTableEntityPersister.generateSequentialSelect(SingleTableEntityPersister.java:624)
   at org.hibernate.persister.entity.SingleTableEntityPersister.postInstantiate(SingleTableEntityPersister.java:673)
   at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:274)
   at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)

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TheStijn

Post subject:

Posted: Wed Nov 22, 2006 10:34 am

Beginner

Joined: Mon Nov 13, 2006 8:22 am
Posts: 28

looking in the code I can see where the exception occurs but I can't explain the problem:

Code:

//now render the select clause
SelectFragment selectFragment = createSelect( columnNumbers, formulaNumbers );
      
//now tie it all together
Select select = new Select( getFactory().getDialect() );
select.setSelectClause( selectFragment.toFragmentString().[b]substring( 2 ) [/b]);

hope this helps a little

appart from this I do see a problem in the DOCTYPE of your xml; it should be:

Quote:

<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

regards,
Stijn

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