persistence.xml: | <persistence xmlns="http://java.sun.com/xml/ns/persistence" | xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" | version="1.0"> | <persistence-unit name="angelfish"> | <jta-data-source>java:/OracleDS</jta-data-source> | <properties> | <property name="hibernate.ejb.cfgfile" value="hibernate.cfg.xml"/> | </properties> | </persistence-unit> | </persistence> | hibernate.cfg.xml: | <hibernate-configuration> | <session-factory> | <property name="connection.datasource">java:/OracleDS</property> | <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property> | <property name="show_sql">true</property> | <property name="format_sql">true</property> | </session-factory> | </hibernate-configuration> | class annotations of session bean | @Clustered | @Stateless | @Interceptors(SpringLifecycleInterceptor.class) | @Remote(XXX.class) | @PermitAll | @TransactionAttribute(TransactionAttributeType.REQUIRED) | @TransactionManagement(TransactionManagementType.CONTAINER) | i have tried to add the @TransactionAttribute to the method, it also does not work in fact, i also tried to implement SessionSynchronization but for the all three callback methods | afterBegin | afterCompletion | beforeCompletion | i have added debug print outs, it seems that the SessionSynchornization methods are not called but i am quite sure a transaction should be opened, otherwise, i will receive complain from hibernate , the situation now is, no exception occurs in executing the session bean method, every thing looks fine except that the updated data is not committed/flushed to db, unless we call hibernate session's flush explicitly View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4197857#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...