HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "null pointer exception when integrating jbpm4.3,spring2.5.6,hibernate3" To view the discussion, visit: http://community.jboss.org/message/549220#549220 -------------------------------------------------------------- Hi Lalit, Please check your configuration xml file, and make sure there is correct commandService being configured.  like follow: <command-service name="txRequiredCommandService">       <skip-interceptor />       <retry-interceptor />       <environment-interceptor />       <standard-transaction-interceptor />     </command-service>     <command-service name="newTxRequiredCommandService">       <retry-interceptor />       <environment-interceptor policy="requiresNew" />       <standard-transaction-interceptor />     </command-service> -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/549220#549220] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]