I am also getting the same error. I am working on jbpm3.2.2\jbpm-jpdl-3.2.2 & websphere 6. I am able to connect and give token.signal but at state-end i am getting this error. | org.jbpm.db.JobSession deleteJobsForProcessInstance org.hibernate.TransactionException: Could not register synchronization | Can you please help me. I already running behind time. and saw all sites from almost 2 weeks. but still not getting any solution..... plz help me. my jbpm.cfg.xml is | | <jbpm-configuration> | | <jbpm-context> | <service name="persistence"> | <factory> | <bean class="org.jbpm.persistence.db.DbPersistenceServiceFactory"> | <field name="isTransactionEnabled"><false /></field> | <field name="isCurrentSessionEnabled"><false /></field> | </bean> | </factory> | </service> | <service name="tx" factory="org.jbpm.tx.TxServiceFactory" /> | <service name="message" factory="org.jbpm.msg.db.DbMessageServiceFactory" /> | <service name="scheduler" factory="org.jbpm.scheduler.db.DbSchedulerServiceFactory" /> | <service name="logging" factory="org.jbpm.logging.db.DbLoggingServiceFactory" /> | <service name="authentication" factory="org.jbpm.security.authentication.DefaultAuthenticationServiceFactory" /> | </jbpm-context> | | <!-- configuration resource files pointing to default configuration files in jbpm-{version}.jar --> | <string name="resource.hibernate.cfg.xml" value="hibernate.cfg.xml" /> | <!-- <string name="resource.hibernate.properties" value="hibernate.properties" /> --> | <string name="resource.business.calendar" value="org/jbpm/calendar/jbpm.business.calendar.properties" /> | <string name="resource.default.modules" value="org/jbpm/graph/def/jbpm.default.modules.properties" /> | <string name="resource.converter" value="org/jbpm/db/hibernate/jbpm.converter.properties" /> | <string name="resource.action.types" value="org/jbpm/graph/action/action.types.xml" /> | <string name="resource.node.types" value="org/jbpm/graph/node/node.types.xml" /> | <string name="resource.parsers" value="org/jbpm/jpdl/par/jbpm.parsers.xml" /> | <string name="resource.varmapping" value="org/jbpm/context/exe/jbpm.varmapping.xml" /> | | <bean name="jbpm.task.instance.factory" class="org.jbpm.taskmgmt.impl.DefaultTaskInstanceFactoryImpl" singleton="true" /> | <bean name="jbpm.variable.resolver" class="org.jbpm.jpdl.el.impl.JbpmVariableResolver" singleton="true" /> | <long name="jbpm.msg.wait.timout" value="5000" singleton="true" /> | | | </jbpm-configuration> | | my hibernate.cfg.xml is as follows | <property name="hibernate.dialect">org.hibernate.dialect.Oracle9iDialect</property> | | | <property name="hibernate.cache.provider_class">org.hibernate.cache.HashtableCacheProvider</property> | | <!-- Websphere --> | <property name="hibernate.jdbc.batch_size">0</property> | <property name="hibernate.connection.datasource">jdbc/JbpmDS</property> | <property name="hibernate.TransactionManagerLookup">org.hibernate.transaction.WebSphereExtendedJTATransactionLookup</property> | <property name="hibernate.transaction.manager_lookup_class">org.hibernate.transaction.WebSphereExtendedJTATransactionLookup</property> | <property name="hibernate.TransactionManagerLookupStrategy">org.hibernate.transaction.WebSphereExtendedJTATransactionLookup</property> | <property name="transaction.factory_class">org.hibernate.transaction.CMTTransactionFactory</property> | <property name="hibernate.show_sql">true</property> | | | <property name="hibernate.transaction.flush_before_completion">true</property> | Please help me ASAP View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4099294#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...