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From Stefan Guggisberg <stefan.guggisb...@gmail.com>
Subject Re: session.save() persists changes even if the transaction is rollbacked
Date Wed, 04 Jul 2012 14:13:37 GMT
On Wed, Jul 4, 2012 at 2:39 PM, Henning Blohm
<henning.blohm@original1.net> wrote:
> Stefan,
>
> does that in fact mean that there is no way to get atomic changes in
> Jackrabbit?

no, what leads you to this conclusion?

> Or is there just some Jackrabbit specific way of controlling an
> underlying transaction?

no, see [0] and [1].

>
> Or in short: Is it true that jackrabbit commits changes at some time of its
> choice and there is nothing we can do about it?

hell, no! again, what leads you to this belief?


[0] http://www.day.com/specs/jcr/2.0/21_Transactions.html
[1] http://jackrabbit.apache.org/api/2.4/org/apache/jackrabbit/api/XASession.html

>
> Thanks,
>   Henning
>
>
> On 07/04/2012 01:50 PM, Stefan Guggisberg wrote:
>>
>> On Wed, Jul 4, 2012 at 12:33 PM, Subscriber <subscriber@zfabrik.de> wrote:
>>>
>>> Hi there,
>>>
>>> we are using Jackrabbit 2.2.5.
>>> The workspace is persisted in a MySql database using a JNDI datasource in
>>> conjunction with JTA (we are using MySqlPersistenceManager).
>>>
>>> In the javadocs of javax.jcr.Session#save() is written - cite:
>>>
>>> "If the save occurs within a transaction, the changes are dispatched but
>>> are not persisted until the transaction is committed."
>>>
>>> So we assume that changes are not persisted, if session.save() is called,
>>> but the transaction is rollbacked afterwards (let's say due to an
>>> exception).
>>> However we discover that changes are persisted already after a
>>> session.save() call. Does jackrabbit calls commit() by itself?
>>
>> jackrabbit expects to be in full control of the underlying database
>> connection, see [0].
>>
>> cheers
>> stefan
>>
>> [0]
>> http://jackrabbit.apache.org/jackrabbit-configuration.html#JackrabbitConfiguration-Persistenceconfiguration
>>
>>> Thanks in advance for any help and best regards
>>> Udo
>>>
>>>
>>>
>
>

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