Investigate play_motion crash

[adolfo-rt]

The following post-mortem log data has been reconstructed from a crash triggered by @v-lopez. We don't have ATM a deterministic way to reproduce.

play_motion/play_motion/src/play_motion.cpp:109(controllerCb)
Controller right_arm_controller aborted.
1395915290.107941635 ERROR

actionlib/server/server_goal_handle_imp.h:283(GoalStatus actionlib::ServerGoalHandle<ActionSpec>::getGoalStatus)
Attempt to get goal status on an uninitialized ServerGoalHandle or one that has no ActionServer associated with it.
1395915290.107959489 ERROR

actionlib/server/server_goal_handle_imp.h:283(GoalStatus actionlib::ServerGoalHandle<ActionSpec>::getGoalStatus)
Attempt to get goal status on an uninitialized ServerGoalHandle or one that has no ActionServer associated with it.
1395915290.108058017 ERROR

actionlib/client/simple_action_client.h:338(SimpleClientGoalState actionlib::SimpleActionClient<ActionSpec>::getState)
Trying to getState() when no goal is running. You are incorrectly using SimpleActionClient
1395915290.108064793 ERROR

actionlib/client/simple_action_client.h:338(SimpleClientGoalState actionlib::SimpleActionClient<ActionSpec>::getState)
Trying to getState() when no goal is running. You are incorrectly using SimpleActionClient
1395915303.298149765 ERROR

play_motion/play_motion/src/play_motion.cpp:109(controllerCb)
Controller right_arm_controller aborted.
1395915568.909587136 ERROR

actionlib/server/server_goal_handle_imp.h:116(ServerGoalHandle<ActionSpec>::setCanceled)
To transition to a cancelled state, the goal must be in a pending, recalling, active, or preempting state, it is currently in state: 4 (ABORTED)
1395915568.909595402 ERROR

[11:32:40] Victor Lopez: [roslaunch][ERROR] 2014-03-27 10:19:08,753: [play_motion-10] process has died [pid 5342, exit code -6

[po1]

I'd like to release play_motion.
Since this crash could not be reproduced in a few weeks of using it intensively, I propose to postpone this issue to 0.5, which is going to be a stabilization release.

[adolfo-rt]

Agreed