Thanks for that link. I am using Oracle db. It looks like IDENTITY is not for
Oracle. I guess I should be using Sequence.
Real Name of sequence in Oracle datbase is 'idnseq'.
Does my mapping file look like this?
<mapping ...>
<key-generator name="SEQUENCE" alias="ALIASSEQ">
<param name="sequence" value="idnseq"/>
</key-generator>
<class name="ClassName" identity="IDN" key-generator="ALIASSEQ" >
<field name="IDN" type="integer" >
<sql name="IDN" type="integer"/>
</field>
---
---
--
</class>
</mapping>
Thanks
-----Original Message-----
From: Werner Guttmann [mailto:[EMAIL PROTECTED]
Sent: Tuesday, August 02, 2005 9:07 AM
To: [email protected]
Subject: AW: [castor-user] DuplicateIdentityException
Shiva,
For such situations , please use the IDENTITY key-generator as explaind at
http://castor.codehaus.org/key-generator.html
Thanks
Werner
-----Ursprüngliche Nachricht-----
Von: Shiva P. Kodityala [mailto:[EMAIL PROTECTED]
Gesendet: Dienstag, 02. August 2005 17:57
An: [email protected]
Betreff: RE: [castor-user] DuplicateIdentityException
>From the Castor documentation, this Exception must not be thrown.
In my mapping.xml:
<class name="ClassName" identity="IDN" key-generator="MAX" >
The value of column IDN is, in fact, is autogenerated. That means, if I put the
row through sqlplus client, in my insert statement, I do not need to have any
column 'IDN'. In that case, what should be key-generator? Do I have to have
this key-generator at all?
Thanks
-----Original Message-----
From: Shiva P. Kodityala [mailto:[EMAIL PROTECTED]
Sent: Wednesday, June 29, 2005 11:36 AM
To: [email protected]
Subject: [castor-user] DuplicateIdentityException
I am getting this exception once in a while. If I understand it correctly, it
is possible in the application I am working in.
Two processes process the (different) xml data and put to table simultaneously.
Table has primary key which is auto generated (so, not taken from xml). Does
DuplicateIdentityException mean that inserts are happening simultaneously and
getting the same autogenearted primary key (happening before another's commit)?
Fortunately, the application tries (certain number of times) again to insert
the same xml, in case of failure, and the insert succeeds. I don't know if it
is a good way. Pls advise.
Thanks
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