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You're right, looking at the source code it appears that the 'server_wait_timeout' parameter is simply ignored. This is a bug in smach_ros. Could you file a ticket on

You're right, looking at the source code it appears that the 'server_wait_timeout' parameter is simply ignored. This is a bug in smach_ros. Could you file a ticket ticket? There's a link on the bottom of the smach page.

  • server_wait_timeout: You're right, looking at the source code it appears that the 'server_wait_timeout' parameter is simply ignored. This is a bug in smach_ros. Could you file a ticket? There's a link on the bottom of the smach page.

  • exec_timeout: This timeout specifies when the simple action client will send a preempt request to the action server. But it is up to the action server to respond to this preempt request. Some action server implementations do not support preemption. This might be accidental or simply because the type of activity that is associated with the action is not something that can be stopped at any point in time. So the exec_timeout works as it should: it tells the action server that it would like it to stop.

  • preempt_timeout: This timeout does not seem to be used in the code at all. I added this to the ticket below.