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XA data source connection in EclipseLink in SpringBoot application. [message #1854213]

Mon, 08 August 2022 05:10

Atul Dhiman

Messages: 2
Registered: August 2022

Junior Member

Hi, I am trying to get XA data source connection in EclipseLink in SpringBoot application.

1. Do EclipseLink provides XA Data source connection by out of box?
2. Or do we need to override get connection method? If so, do you have any references for the same?

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Re: XA data source connection in EclipseLink in SpringBoot application. [message #1854235 is a reply to message #1854213]

Mon, 08 August 2022 17:20

Chris Delahunt

Messages: 54
Registered: December 2021

Member

Generally, EclipseLink uses connections from spring configuration, and hooks into JTA. What exactly are you looking for or how have you configured things so that you would want EclipseLink to provide XA connections?

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Re: XA data source connection in EclipseLink in SpringBoot application. [message #1854282 is a reply to message #1854235]

Wed, 10 August 2022 10:48

Atul Dhiman

Messages: 2
Registered: August 2022

Junior Member

I am looking for eclipseLink to provide XAConnection. XAdataSource supports getXAConnection() but spring supports only getConnection(). So, I am looking how we can override getConnection() method so that I return XAConnection object from this overridden method. As a part of this I created a entityManagerFactory and trying to create entityManager, but it fails with following error.

Internal Exception: java.sql.SQLException: The method is disabled
Error Code: 58

Here is how I am creating EntityManagerFactory

@Bean(name = "entityManagerFactory")
public EntityManagerFactory createEntityManagerFactory() throws SQLException, ClassNotFoundException {
System.out.println("Creating EclipseLink entity manager.");
AbstractJpaVendorAdapter vendorAdapter = new EclipseLinkJpaVendorAdapter();
vendorAdapter.setGenerateDdl(false);
LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();

final Map<String, Object> propertyMap = new HashMap<>();
propertyMap.put(PersistenceUnitProperties.WEAVING, "static");
propertyMap.put(PersistenceUnitProperties.TRANSACTION_TYPE, "RESOURCE_LOCAL");
Class cls = Class.forName("oracle.trm.jta.jpa.eclipseLink.EclipseLinkXADataSourceConnectionProvider");
propertyMap.put(CLASSLOADER, cls.getClassLoader());
factory.setJpaPropertyMap(propertyMap);

factory.setPackagesToScan(new String[] { "com.oracle.mtm.sample.entity" });

factory.setPersistenceProviderClass(PersistenceProvider.class);
factory.setPersistenceUnitName("mydeptxads");

factory.setJpaVendorAdapter(vendorAdapter);
factory.setPackagesToScan("org.apache.logging.log4j.catalog");
factory.setDataSource(getDataSource());
factory.afterPropertiesSet();

EntityManagerFactory emf = (EntityManagerFactory) factory.getObject();
System.out.println("entityManagerFactory = " + emf);
TrmConfig.initEntityManagerFactory(emf); //
EntityManager em = emf.createEntityManager(propertyMap);
return emf;

}

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