Steve,
Actually, it's bug 1097, and it has NOT been committed yet. It would be nice if
you could take the patch attached and let us know whether it addresses
your issue (if downloading sources, building Castor yourself, etc. is an option
for you at all).
Werner
On Thu, 2 Dec 2004 06:06:43 -0500, Stephen Ince wrote:
>
>Werner,
> Do you have a bug id, reference or patch for this bug?
>
>Steve
>----- Original Message -----
>From: "Werner Guttmann" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Thursday, December 02, 2004 4:27 AM
>Subject: Re: [castor-user] [JDO] Key Generator Failure. Duplicated Identity
>is generated!
>
>
>>
>> Sean,
>>
>> are you still using Castor 0.9.5.3 ? Afair, this problem has been fixed in
>> CVS, and will be part of the upcoming 0.9.6 release .
>>
>> Thanks
>> Werner
>>
>> PS The problem fixed is that as a result of an ObjectNotFoundException,
>> sometimes a lock has not been released.
>>
>>> This might be a bug of castor, please try on your project to see if it
>>> would happen.
>>>
>>> I'm using mysql and my mapping file contains something like this:
>>> -------------------------------------
>>> <key-generator name="HIGH-LOW">
>>> <param name="table" value="sequence"/>
>>> <param name="key-column" value="tablename"/>
>>> <param name="value-column" value="currentid"/>
>>> <param name="same-connection" value="true"/>
>>> <param name="grab-size" value="1"/>
>>> </key-generator>
>>>
>>> <class identity="id" key-generator="HIGH-LOW" name="model.User">
>>> <map-to xml="user" table="user" />
>>> <field name="id" type="integer">
>>> <sql name="id" type="integer" />
>>> </field>
>>> <field name="name" type="string">
>>> <sql name="name" type="varchar" />
>>> </field>
>>> </class>
>>>
>>> Suppose that current MAX id of user table is 1000, and the following
>>> statments:
>>> -------------------------------------
>>> Integer id = new Integer(1001);
>>> User user = database.load(User.class, id);
>>>
>>> will throw an exception:
>>> -------------------------------------
>>> org.exolab.castor.jdo.ObjectNotFoundException: The object of type
>>> model.User with identity 1,001 was not found in persistent storage
>>>
>>> After this, new user object could never be created:
>>> -------------------------------------
>>> User user = new User();
>>> user.setName("Sean");
>>> database.create(user);
>>>
>>> throws an exception:
>>> -------------------------------------
>>> org.exolab.castor.jdo.LockNotGrantedException: Lock is already existed
>>> for
>>> the new oid.
>>> at
>>> org.exolab.castor.persist.LockEngine$TypeInfo.rename(LockEngine.java:1357)
>>> at
>>>
>> org.exolab.castor.persist.LockEngine$TypeInfo.access$400(LockEngine.java:1038)
>>> at org.exolab.castor.persist.LockEngine.create(LockEngine.java:496)
>>> at
>>>
>> org.exolab.castor.persist.TransactionContext.create(TransactionContext.java:907)
>>> at
>>> org.exolab.castor.jdo.engine.DatabaseImpl.create(DatabaseImpl.java:374)
>>> ...
>>> org.exolab.castor.jdo.PersistenceException: Nested error: Key Generator
>>> Failure. Duplicated Identity is generated!
>>>
>>>
>>> I searched the Internet and can't find any solution to the exception. Do
>>> you have any suggestion?
>>> http://hypermail.linklord.com/castor-dev/2004/Apr/4119.html
>>>
>>> Thanks,
>>> Sean
>>
>> --
>> NEU +++ DSL Komplett von GMX +++ http://www.gmx.net/de/go/dsl
>> GMX DSL-Netzanschluss + Tarif zum superg�nstigen Komplett-Preis!
>>
>>
>>
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>>
>
>
>
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