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Carrying transactions over 2 application servers?  RSS feed

 
Joe Boxer
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hi,

I have 2 enterprise application. Each of them is deployed on a different app server within the same node.
An session EJB from application A via a method doSomething() accesses an entity EJB in the application B.

Transaction attributes on doSomething are �transaction required�
Transaction attributes on the entity EJB are �transaction required�

The call to doSomething rolls back the transaction.
If I change the transaction attributes on the EJB to �not supported� or �required new� it works fine.

Wondering if I violate any transaction rules?
Is it not possible to share/carry a transaction over 2 app server?
Do the transaction setting only apply to transactions within one app server?
If it is not possible to carry the transaction initiated on app server A to app server B, how would I automatically roll back the transaction if it failed on the second app server? Is the only way managing the transaction programmatically?


Cheers

Joe
 
It is sorta covered in the JavaRanch Style Guide.
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