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Re: [eclipselink-users] Problem with container-based transactions
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Please include your persistence.xml.
Also enable logging to determine what is occurring.
roneypc wrote:
>
> Hi..!
> I'm working with weblogic 10.3.3 and I have the Ellen's problem. I've had
> configured the persistence.xml adding:
>
> <property name="eclipselink.target-server" value="WebLogic_10"/>
>
> but nothing happen. I still can't save in the database. I've even added:
> <property name="eclipselink.target-database" value="Oracle"/>, but
> nothing.
>
> Please, do you have any idea?
>
> Regards,
> Roberto.
>
> _______________
>
>
> tware wrote:
>>
>> Hi Ellen,
>>
>> There are a number of ways TopLink Essentials is automatically
>> integrated
>> into GlassFish/SunAS. We are hoping that in future versions of GlassFish
>> we can
>> arrange for similar automatic integrations. In the meantime, as you can
>> see,
>> there are a few settings required.
>>
>> Try adding the following property to your persistence unit and let me
>> know
>> what your results are:
>>
>> <property name="eclipselink.target-server" value="SunAS9"/>
>>
>> Hopefully the addition of that property will allow EclipseLink to
>> properly
>> access the GlassFish transaction mechanism.
>>
>> Thanks for your patience,
>> Tom
>>
>>
>> Ellen Kraffmiller wrote:
>>> Hi Tom,
>>> I've done some further testing, and have run into other problems
>>> concerning transactions. When I use EclipseLink in our application, we
>>> are getting some strange behavior:
>>>
>>> 1) When I call a session bean method does a simple update of an entity,
>>> the method executes without any errors, but the data is not saved to the
>>> database. (This method works correctly when I use Toplink Essentials).
>>> I tried adding a transaction type of REQUIRED (even though that should
>>> be the type by default), but I still get the same behavior.
>>>
>>> 2) I have a stateful session bean that uses an extended persistence
>>> context to edit an entity. When I call the method to persist the entity
>>> (which has a transaction type of REQUIRES_NEW) I get
>>> javax.persistence.TransactionRequiredException: Exception Description:
>>> No transaction is currently active (I don't get this error with Toplink
>>> Essentials.)
>>>
>>> 3) We have some session bean methods that call em.flush() to save
>>> changes to the database - these methods also trigger the exception
>>> 'javax.persistence.TransactionRequiredException: Exception Description:
>>> No transaction is currently active', even though they are in methods
>>> that by default should be TransactionType REQUIRED, because I don't have
>>> a specific transaction type defined on the method or the session bean.
>>>
>>> 4) We have a session bean method that creates a new entity, then within
>>> the same persistence context calls another method that calls a Java
>>> Persistance Query. The results of the query don't contain the new
>>> entity just created. This is different from the behavior in TopLink
>>> Essentials, and from what I've read the correct behavior is that a
>>> Query should always return results that reflect the current state of the
>>> persistence context, by flushing changes to the database, if necessary.
>>>
>>> Sorry if this is overloading you with information, I just wanted to let
>>> you know what I've run into. They seem to all be related to a problem
>>> creating the container based transaction.
>>> Thanks,
>>> Ellen
>>>
>>
>>
>
>
-----
http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland
http://www.eclipse.org/eclipselink/
EclipseLink , http://www.oracle.com/technology/products/ias/toplink/
TopLink
Wiki: http://wiki.eclipse.org/EclipseLink EclipseLink ,
http://wiki.oracle.com/page/TopLink TopLink
Forums: http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink ,
http://www.nabble.com/EclipseLink-f26430.html EclipseLink
Book: http://en.wikibooks.org/wiki/Java_Persistence Java Persistence
Blog: http://java-persistence-performance.blogspot.com/ Java Persistence
Performance
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