Hi,
In order to use the same transaction manager (in SMX4) between my queue
manager (ActiveMq) and DB (MySQL accessed through Spring + Hibernate), I
have parametrized my Spring LocalSessionFactoryBean like this to retrieve
the JtaTransactionManager from the OSGI service exported from the bundle
"Apache ServiceMix Transaction (1.1.0.SNAPSHOT)" :
<!-- Hibernate SessionFactory Definition -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="mappingLocations">
<list>
<value>classpath*:META-INF/org/apache/camel/example/reportincident/model/*.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop
key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">false</prop>
<prop key="hibernate.format_sql">true</prop>
<prop
key="hibernate.cglib.use_reflection_optimizer">true</prop>
<prop key="hibernate.jdbc.batch_size">10</prop>
<!-- <prop
key="hibernate.transaction.factory_class">org.hibernate.transaction.JTATransactionFactory</prop>
-->
</props>
</property>
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="jtaTransactionManager">
<osgi:reference
interface="javax.transaction.TransactionManager"/>
</property>
</bean>
Unfortunately, when a transaction is initiated by Hibernate, I receive the
following error :
java.lang.StackOverflowError
at java.lang.Thread.getContextClassLoader(Thread.java:1314)
at
com.sun.naming.internal.VersionHelper12$6.run(VersionHelper12.java:165)
at java.security.AccessController.doPrivileged(Native Method)
at
com.sun.naming.internal.VersionHelper12.getContextClassLoader(VersionHelper12.java:162)
at
com.sun.naming.internal.ResourceManager.getFactory(ResourceManager.java:339)
at javax.naming.spi.NamingManager.getURLObject(NamingManager.java:575)
at javax.naming.spi.NamingManager.getURLContext(NamingManager.java:533)
at
javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:320)
at javax.naming.InitialContext.lookup(InitialContext.java:392)
at
org.hibernate.transaction.JTATransactionFactory.getUserTransaction(JTATransactionFactory.java:162)
at
org.hibernate.transaction.JTATransactionFactory.getUserTransaction(JTATransactionFactory.java:172)
It seems that Spring or Hibernate performs a JNDI lookup to find the
transaction manager
Question :
Do I have to change my Spring / Hibernate config or is it a missing piece
(absence of JNDI feature) of SMX4 ?
Regards,
-----
Charles Moulliard
SOA Architect
My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/
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