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 Post subject: hibernate_sequence.nextval
PostPosted: Mon Apr 19, 2004 11:36 am 
Beginner
Beginner

Joined: Mon Sep 29, 2003 2:18 pm
Posts: 20
Trying to get a sequence, I get output:

select hibernate_sequence.nextval from dual

I'm using the syntax that is found in the documentation, but it doesn't seem to be picking up my sequence name.

Thanks,
Steve

--------------------------------------------------

Version: 2.1.2
Mapping Doc:

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">

<hibernate-mapping package="Modality">

<class name="com.cti.resource.Modality" table="PRTL_MODALITY">
<id name="id" column="id" type="long">
<generator class="sequence">
<param name="sequence">PRTL_MODALITY_ID_SEQ</param>
</generator>
</id>
<property name="name" />
<property name="description" />
<property name="providerId" column="provider_id"/>
<property name="deletedBy" column="deleted_by"/>
<property name="deletedDate" column="deleted_date"/>
<property name="modifiedBy" column="modified_by"/>
<property name="modifiedDate" column="modified_date"/>
<property name="deleted"/>
</class>

</hibernate-mapping>

Code:


Modality mod = new Modality();

Session hibsession = null;
try {
hibsession = HibernateUtil.currentSession();
}
catch (net.sf.hibernate.LazyInitializationException lie) {
lie.printStackTrace();
}
mod.setDescription("desc");
mod.setName("name");
if (hibsession != null) {
hibsession.save(mod);
HibernateUtil.closeSession();
}

Stack Trace:

10:27:37,787 ERROR [JDBCExceptionReporter] Could not save object
java.sql.SQLException: ORA-02289: sequence does not exist

DB Version: Oracle 8i


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 Post subject:
PostPosted: Mon Apr 19, 2004 2:40 pm 
Beginner
Beginner

Joined: Sat Nov 22, 2003 3:54 pm
Posts: 42
The ORA error points out that it can't find the sequence in the DB.
Your sequence name in the mapping is "PRTL_MODALITY_ID_SEQ", try to do the nextval on this sequence name first . Also you need to make sure that which schema you are referring to. Also to select from a sequence without specifying the object owner, it has to exist in your current schema or you just need to create a synonym which points to the sequence in
another schema.


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 Post subject: Thanks
PostPosted: Mon Apr 19, 2004 2:56 pm 
Beginner
Beginner

Joined: Mon Sep 29, 2003 2:18 pm
Posts: 20
Okay, I think I got it. Somehow it was getting the wrong version of my .xml or something, everything works fine now that I restarted JBoss.

Steve


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