[rules-users] Converging gateway

I have a flow as attached. Before the Exit node, I have the Converging gateway with type = 'AND', and before that, I have 2 human task: 1. Receive Cargo (Task 3) 2. Request for Approval I don't understand why when I complete the Receive Cargo Task, I get the following debug message in Eclipse Console, why I got the 'Request for Approval' task exit debug message? <<quote>> Task completed 3 [2011:03:64 19:03:229:debug] Message receieved on client : EventTriggerResponse [2011:03:64 19:03:230:debug] Arguments : [org.drools.task.event.EventPayload@1c52ac68] Task completed 3 [2011:03:64 19:03:231:debug] Message receieved on client : GetTaskResponse [2011:03:64 19:03:231:debug] Arguments : [org.drools.task.Task@1524adef] [2011:03:64 19:03:245:debug] Message receieved on client : GetTaskResponse [2011:03:64 19:03:245:debug] Arguments : [org.drools.task.Task@1524adef] [2011:03:64 19:03:264:debug] Message receieved on client : GetTaskResponse [2011:03:64 19:03:264:debug] Arguments : [org.drools.task.Task@1524adef] [2011:03:64 19:03:267:debug] Message receieved on client : GetContentResponse [2011:03:64 19:03:267:debug] Arguments : [org.drools.task.Content@fbfe1674] Exiting 'Request for Approval' - status = [ON_HOLD] Exiting 'Request for Approval' - booking status = [ON_HOLD] AFTER REQUEST FOR APPROVAL Exiting from warehouse AFTER WAREHOUSE Hibernate: select processins0_.InstanceId as col_0_0_ from ProcessInstanceInfo processins0_ where ? in (select eventtypes1_.element from EventTypes eventtypes1_ where processins0_.InstanceId=eventtypes1_.InstanceId) [2011:03:64 19:03:273:debug] Message receieved on client : GetContentResponse [2011:03:64 19:03:273:debug] Arguments : [org.drools.task.Content@fbfe1674] Hibernate: select workitemin0_.workItemId as workItemId7_0_, workitemin0_.creationDate as creation2_7_0_, workitemin0_.externalVariables as external3_7_0_, workitemin0_.name as name7_0_, workitemin0_.processInstanceId as processI5_7_0_, workitemin0_.state as state7_0_, workitemin0_.OPTLOCK as OPTLOCK7_0_, workitemin0_.workItemByteArray as workItem8_7_0_ from WorkItemInfo workitemin0_ where workitemin0_.workItemId=? [2011:03:64 19:03:307:debug] Message receieved on client : GetContentResponse [2011:03:64 19:03:307:debug] Arguments : [org.drools.task.Content@fbfe1674] Hibernate: select workitemin0_.workItemId as workItemId7_0_, workitemin0_.creationDate as creation2_7_0_, workitemin0_.externalVariables as external3_7_0_, workitemin0_.name as name7_0_, workitemin0_.processInstanceId as processI5_7_0_, workitemin0_.state as state7_0_, workitemin0_.OPTLOCK as OPTLOCK7_0_, workitemin0_.workItemByteArray as workItem8_7_0_ from WorkItemInfo workitemin0_ where workitemin0_.workItemId=? <end quote>> Then if I complete the 'Request for Approval' task, no debugging message from the exiting action of the task, but only the below, and the flow does not end? <quoted> [2011:03:64 19:03:306:debug] Message receieved on client : EventTriggerResponse [2011:03:64 19:03:306:debug] Arguments : [org.drools.task.event.EventPayload@1b2dd1b8] Task completed 2 [2011:03:64 19:03:324:debug] Message receieved on client : EventTriggerResponse [2011:03:64 19:03:324:debug] Arguments : [org.drools.task.event.EventPayload@51cfc277] Task completed 2 [2011:03:64 19:03:326:debug] Message receieved on client : EventTriggerResponse [2011:03:64 19:03:326:debug] Arguments : [org.drools.task.event.EventPayload@50a6023a] Task completed 2 [2011:03:64 19:03:328:debug] Message receieved on client : GetTaskResponse [2011:03:64 19:03:328:debug] Arguments : [org.drools.task.Task@7972f798] [2011:03:64 19:03:346:debug] Message receieved on client : GetTaskResponse [2011:03:64 19:03:346:debug] Arguments : [org.drools.task.Task@7972f798] [2011:03:64 19:03:362:debug] Message receieved on client : GetTaskResponse [2011:03:64 19:03:362:debug] Arguments : [org.drools.task.Task@7972f798] [2011:03:64 19:03:365:debug] Message receieved on client : GetContentResponse [2011:03:64 19:03:365:debug] Arguments : [org.drools.task.Content@37a4cf8d] <<end quote>> I did the reverse, complete 'Request for Approval' first, and then 'Receive cargo', the same result. I tried XOR, Discriminator, seems they are the same. Please help Thanks Salina