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Asked: 2026-05-25T06:13:14+00:00

I need to deploy datanucleus using JCA. My application is built on ejb3 and

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I need to deploy datanucleus using JCA. My application is built on ejb3 and CDI.
I am not able to proceed after this error.


21:29:38,789 SEVERE [DataNucleus.Datastore.Schema] (http--10.91.10.49-8080-1) Failed initialising database.: org.datanucleus.exceptions.
NucleusDataStoreException: You cannot commit during a managed transaction!
at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.close(ConnectionFactoryImpl.java:522) [datanucleus-rdbms-3.0.0-m6.jar:]

I am using LocalTransaction with the datasource managed by Jboss
I have defined

standalone.xml
driver-class oracle.jdbc.driver.OracleDriver

ra.xml

transaction-support LocalTransaction

jdopersistance.xml

datanucleus.jtaLocator custom_jndi

datanucleus.jtaJndiLocation java:jboss/TransactionManager

datanucleus.connection.resourceType JTA

The resource-adapter defined in standalone.xml is properly binding and I am able to access it inside an ejb.
The above exception occurs when I try to access the persistence manager.

Question : Did anyone got managed transactions with managed datasource under JCA working for datnucleus on Jboss as 7

Any clues on Why is datanucleus trying to commit even after I defined datanucleus.connection.resourceType = JTA

Other info

jdbc driver ojdbc6.jar

datanucleus -datanucleus-jca-3.0.0-m6.rar

Jboss as 7 final

jdk 1.6

Ubuntu 8.10

Oracle 11g

Answer

Thanks andy it works after I created two separate datasources 1) with JTA 2) without JTA. datanucleus.ConnectionFactory2Name ==> points to non-JTA. Addtionally i had to add datanucleus.jtaJndiLocation = java:jboss/TransactionManager. Seems like this is specific to oracle, I am yet to try with other databases. Discussion at http://www.datanucleus.org/servlet/forum/viewthread_thread,4663_offset helped.

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1 Answer

  1. Editorial Team

    Thanks andy it works after I created two separate datasources 1) with JTA 2) without JTA. datanucleus.ConnectionFactory2Name ==> points to non-JTA. Addtionally i had to add datanucleus.jtaJndiLocation = java:jboss/TransactionManager. Seems like this is specific to oracle, I am yet to try with other databases. Discussion at datanucleus.org/servlet/forum/viewthread_thread,4663_offset helped

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