Sam Mano [https://community.jboss.org/people/artist123] created the discussion "jbpm-console human task display error" To view the discussion, visit: https://community.jboss.org/message/753893#753893 -------------------------------------------------------------- Hi, I created a simp,e hello process and ftl forms to start and stop (sample got from krisv demo in documentation). but task not displayed but it throug the following error...any help......jbpm5.3 | 2012-08-15 15:42:13,538 [DEBUG] ToolID: Process_Overview.0 2012-08-15 15:42:17,268 [DEBUG] ToolID: Personal_Tasks.2 2012-08-15 15:42:24,448 [DEBUG] ToolID: Personal_Tasks.2 2012-08-15 15:43:21,145 [DEBUG] ToolID: Personal_Tasks.2 2012-08-15 15:44:18,658 [DEBUG] ToolID: Personal_Tasks.2 2012-08-15 15:44:20,048 [DEBUG] GET: http://localhost:8080/business-central-server/rs/tasks/krisv 2012-08-15 15:44:20,098 [DEBUG] parse {"tasks":[{"id":1,"processInstanceId":"6","processId":"Hello","assignee":"krisv","isBlocking":false,"isSignalling":false,"outcomes":[],"currentState":"ASSIGNED","participantUsers":[],"participantGroups":[],"url":"http://localhost:8080/business-central-server/rs/form/task/1/render","priority":0}]} 2012-08-15 15:44:20,099 [DEBUG] parse {"id":1, "processInstanceId":"6", "processId":"Hello", "assignee":"krisv", "isBlocking":false, "isSignalling":false, "outcomes":[], "currentState":"ASSIGNED", "participantUsers":[], "participantGroups":[], "url":"http://localhost:8080/business-central-server/rs/form/task/1/render", "priority":0} 2012-08-15 15:44:20,106 [FATAL] Uncaught Exception: com.google.gwt.core.client.JavaScriptException: *(TypeError): 'value_0' is null or not an object number: -2146823281 description: 'value_0' is null or not an object*      at Unknown.$fillInStackTrace_1(JsArrayString.java:42)     at Unknown.$JavaScriptException(StackTraceCreator.java:366)     at Unknown.caught_0(Exceptions.java:29)     at Unknown.$asString(JSONWalk.java:126)     at Unknown.parseTaskReference(JSONWalk.java:48)     at Unknown.parseTaskReferenceList(DTOParser.java:51)     at Unknown.handleSuccessfulResponse_15(LoadTasksAction.java:74)     at Unknown.onResponseReceived_5(AbstractRESTAction.java:78)     at Unknown.$fireOnResponseReceived(Request.java:287)     at Unknown.onReadyStateChange_0(RequestBuilder.java:393)     at Unknown.anonymous(XMLHttpRequest.java:258)     at Unknown.entry0(Impl.java:146)     at Unknown.anonymous(Impl.java:56) |   | | |   |   |   | | http://localhost:8080/business-central/app/clear.cache.gif (http://localhost:8080/business-central/app/clear.cache.gif) | -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/753893#753893] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]