ok. added type mapping to the jbpm-ds and datasource mapping in the jbosscmp-jdbc.xml | <jbosscmp-jdbc> | <defaults> | <datasource>java:JbpmDS</datasource> | <datasource-mapping>Oracle9i</datasource-mapping> | <create-table>false</create-table> | <remove-table>false</remove-table> | <pk-constraint>false</pk-constraint> | </defaults> | <enterprise-beans> | <entity> | <ejb-name>TimerEntityBean</ejb-name> | <table-name>JBPM_JOB</table-name> | <cmp-field> | <field-name>timerId</field-name> | <column-name>ID_</column-name> | </cmp-field> | <cmp-field> | <field-name>name</field-name> | <column-name>NAME_</column-name> | </cmp-field> | <cmp-field> | <field-name>tokenId</field-name> | <column-name>TOKEN_</column-name> | </cmp-field> | <cmp-field> | <field-name>processInstanceId</field-name> | <column-name>PROCESSINSTANCE_</column-name> | </cmp-field> | </entity> | </enterprise-beans> | </jbosscmp-jdbc> | | but now when i execute the following code | | | Object returnValue; | try { | GetProcessDefinitionsCommand cmd = new GetProcessDefinitionsCommand(); | InitialContext initialContext = new InitialContext(); | LocalCommandServiceHome localCommandServiceHome = (LocalCommandServiceHome) initialContext | .lookup("java:ejb/CommandServiceBean"); | LocalCommandService localCommandService = localCommandServiceHome | .create(); | returnValue = localCommandService.execute(cmd); | localCommandService.remove(); | } catch (Exception e) { | e.printStackTrace(); | throw new RuntimeException("couldn't execute command", e); | } | i got 13:53:20,598 ERROR [LogInterceptor] RuntimeException in method: public abstract java.lang.Object org.jbpm.command.CommandService.execute(org.jbpm.command.Command): org.jbpm.JbpmException: couldn't start JTA transaction what is now missing? it's now nearly two days trying to get it work....... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4167298#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...