Description of problem: ParticipantPanel in business-central has blank participantUsers/participantGroups and "Assign" button is disabled. "ParticipantPanel" refers to "Task details" panel after choosing "Participants" dropdown (See attached ParticipantPanel.png) in "Groups Tasks" view. Steps to Reproduce: 1. Create a Human Task which potential owner is a group (e.g. 'HR') 2. Login with a member of the group (e.g. 'mary') 3. The task shows up in "Groups Tasks" view 4. Click the task and choose "Participants" dropdown in "Task details" panel Actual results: Both 'Groups' and 'Users' are blank and "Assign" button is disabled. Expected results: 'Groups' shows 'HR' and 'Users' shows members in 'HR' group. "Assign" button is enabled when one of the members is selected. * I'm not sure what the exactly "Expected results" are. This requires developer's review.
Analysis: 1) Looking at ParticipantPanel.java, it depends on TaskRef.participantUsers/participantGroups. https://github.com/bpmc/bpm-console/blob/2.3.x/gui/app-base/src/main/java/org/jboss/bpm/console/client/task/ParticipantPanel.java#L127 2) Looking at the bottom panel in business-central, I observed the REST call. 2013-11-07 10:40:53,821 [DEBUG] new subscription: appContext.model.listener -> org.jboss.bpm.console.client.task.OpenTasksView$7@120 2013-11-07 10:40:53,823 [DEBUG] New Subscription: appContext.model.listener 2013-11-07 10:40:54,337 [DEBUG] GET: http://localhost:8080/business-central-server/rs/tasks/mary/participation 2013-11-07 10:40:54,378 [DEBUG] parse {"tasks":[{"id":2,"processInstanceId":"2","processId":"defaultPackage.helloTask","name":"helloTask","assignee":"","isBlocking":false,"isSignalling":false,"outcomes":[],"currentState":"OPEN","participantUsers":[],"participantGroups":[],"url":"http://localhost:8080/business-central-server/rs/form/task/2/render","priority":0}]} 2013-11-07 10:40:54,380 [DEBUG] parse {"id":2, "processInstanceId":"2", "processId":"defaultPackage.helloTask", "name":"helloTask", "assignee":"", "isBlocking":false, "isSignalling":false, "outcomes":[], "currentState":"OPEN", "participantUsers":[], "participantGroups":[], "url":"http://localhost:8080/business-central-server/rs/form/task/2/render", "priority":0} 2013-11-07 10:40:54,388 [INFO ] Loaded 1 tasks 3) TaskListFacade.getTasksForIdRefParticipation() is responsible for the REST call. 4) Tasks are returned by TaskManagement.getUnassignedTasks() and transformed into TaskRef. But there is no chance to populate participantUsers/participantGroups so the task is returned with empty participantUsers/participantGroups. https://github.com/droolsjbpm/jbpm/blob/5.2.x/jbpm-gwt/jbpm-gwt-core/src/main/java/org/jbpm/integration/console/TaskManagement.java#L151
Created attachment 822297 [details] ParticipantPanel.png
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