ricardo delarosa [http://community.jboss.org/people/rdelarosa] created the discussion "ClassCastException using configuration.buildProcessEngine()" To view the discussion, visit: http://community.jboss.org/message/536429#536429 -------------------------------------------------------------- Hi, I am trying to obtain a reference to a "ProcessEngine" with the following code: ----------- starting code ----------------- org.jbpm.api.ProcessEngine processEngine = null ; Configuration configuration = new Configuration();                   // build a process engine from a configuration        try {           processEngine = configuration.buildProcessEngine();  /* ManejadorJBPM4.java:360 */        }        catch(java.lang.Exception exc) {           exc.printStackTrace();        } ----------- ending code ----------------- But the following exception is printed on the console: 17:47:29,171 ERROR [STDERR] java.lang.ClassCastException: org.jbpm.pvm.internal. processengine.ProcessEngineImpl cannot be cast to org.jbpm.pvm.internal.processe ngine.ProcessEngineImpl 17:47:29,171 ERROR [STDERR]     at org.jbpm.pvm.internal.cfg.ConfigurationImpl.b uildProcessEngine(ConfigurationImpl.java:81) 17:47:29,171 ERROR [STDERR]     at org.jbpm.api.Configuration.buildProcessEngine (Configuration.java:105) 17:47:29,171 ERROR [STDERR]     at co.com.gestiontek.supercade.util.ManejadorJBP M4.iniciarProceso(ManejadorJBPM4.java:360) 17:47:29,171 ERROR [STDERR]     at co.com.gestiontek.supercade.action.workflow.R egistroTramite.iniciarTramiteEnrolamiento(RegistroTramite.java:354) 17:47:29,171 ERROR [STDERR]     at co.com.gestiontek.supercade.action.workflow.R egistroTramite.iniciarTramite(RegistroTramite.java:292) 17:47:29,171 ERROR [STDERR]     at co.com.gestiontek.supercade.action.workflow.R egistroTramite.registrarTramite(RegistroTramite.java:228) .... Excuse me, but I don't understand why there is a "ClassCastException" due to a casting from org.jbpm.pvm.internal.processengine.ProcessEngineImpl to the same class ? Any help is very appreciated. Ricardo De la Rosa -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/536429#536429] Start a new discussion in jBPM Development at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]