Unable to integrate Flex with hibernate

[tijendra kumar]

Im using flex 3 with eclipse. Im trying to access DB using Hibernate with flex application. But Im getting the below exception

It seems Im missing some jar. not sure which one.

[LCDS]07/23/2010 18:12:27.858 Error instantiating application scoped instance of type 'flex.data.assemblers.HibernateAssembler' for destination 'hibernate-asset'.
java.lang.NoClassDefFoundError: javax/resource/spi/XATerminator
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.hibernate.transaction.JOTMTransactionManagerLookup.getTransactionManager(JOTMTransactionManagerLookup.java:20)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:325)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294)