All I see in the debug is that jBPM is taking the wrong transition. No error. Here is the interesting part of the log : GraphElement:180 - event 'node-leave" on 'TaskNode(valider_demande)' for 'Token(/)' | GraphElement:180 - event 'transition' on 'Transition(validee) for 'Token(/)' | GraphElement:180 - event 'node-enter' on 'MailNode(notifier_acceptation) for 'Token(/)' | And here is my process definition: | <?xml version="1.0" encoding="UTF-8"?> | | <process-definition xmlns="urn:jbpm.org:jpdl-3.2" name="demande"> | | <start-state name="saisir_demande"> | <transition to="notifier_valideur" name="to notifier_valideur"></transition> | </start-state> | | <mail-node name="notifier_valideur" to="#{demande.valideur.email}" template="task-assign"> | <subject>#{mailSubject}</subject> | <text>#{mailText}</text> | <exception-handler exception-class="java.lang.Exception"> | <action name="InvalidEmailAddressExceptionHandler" class="logica.actions.InvalidEmailAddressExceptionHandler"></action> | </exception-handler> | <transition to="valider_demande" name="to valider_demande"></transition> | </mail-node> | | <task-node name="valider_demande"> | <description> | Le valideur doit valider ouy refuser manuellement la demande émise | </description> | <task name="valider_demande"> | <description> | Le valideur doit valider ou refuser la demande de congé effectuée par le collaborateur | </description> | <assignment class="logica.actions.ValideurAssignmentHandler"></assignment> | <controller class="logica.actions.EndTaskControllerHandler"></controller> | </task> | <transition to="notifier_acceptation" name="validee"></transition> | <transition to="notifier_refus" name="refusee"></transition> | </task-node> | | <mail-node name="notifier_acceptation" to="#{demande.demandeur.email}"> | <subject>#{mailSubject}</subject> | <text>#{mailText}</text> | <transition to="notifier_demande_validee" name="to notifier_demande_validee"></transition> | </mail-node> | | <decision name="informer_chef_projet"> | <handler class="logica.actions.CheckChefProjetDecisionHandler"></handler> | <transition to="notifier_chef_projet" name="oui"></transition> | <transition to="cloturer" name="non"></transition> | </decision> | | <mail-node name="notifier_chef_projet" to="#{demande.chefProjet.email}" async="true"> | <subject> | #{mailSubject} | </subject> | <text> | #{mailText} | </text> | <transition to="cloturer" name="chefprojet notifie"></transition> | </mail-node> | | <task-node name="cloturer"> | <task name="cloturer"> | <description> | La demande est considérée comme traitée. Cette finalisation est une tâche manuelle | </description> | <assignment actor-id="system"></assignment> | <controller class="logica.actions.EndTaskControllerHandler"></controller> | </task> | <transition to="fin" name="to fin"></transition> | </task-node> | | <task-node name="notifier_demande_refusee"> | <task name="notifier_demande_refusee"> | <assignment class="logica.actions.DemandeurAssignmentHandler"></assignment> | </task> | <transition to="fin_refus" name="to fin_refus"></transition> | </task-node> | | <mail-node name="notifier_refus" to="#{demande.demandeur.email}"> | <subject></subject> | <text></text> | <transition to="notifier_demande_refusee" name="to notifier_demande_refusee"></transition> | </mail-node> | | <task-node name="notifier_demande_validee"> | <task name="notifier_demande_validee"> | <assignment class="logica.actions.DemandeurAssignmentHandler"></assignment> | <controller class="logica.actions.EndTaskControllerHandler"></controller> | </task> | <transition to="informer_chef_projet" name="to informer_chef_projet"></transition> | </task-node> | | <node name="relance_auto_1"> | <transition to="notifier_valideur" name="relance_auto_1 effectuee"></transition> | </node> | | <node name="relance_auto_2"> | <transition to="notifier_valideur" name="relance_auto_2 effectuee"></transition> | </node> | | <end-state name="fin"></end-state> | | <end-state name="fin_refus"></end-state> | | </process-definition> | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4233649#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...