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Fix bug about can not join current thread during graph unloading #177

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Mar 4, 2021
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8 changes: 7 additions & 1 deletion python/graphscope/framework/graph.py
Original file line number Diff line number Diff line change
Expand Up @@ -288,7 +288,13 @@ def unload(self):
self._interactive_instance_launching_thread is not None
and self._interactive_instance_launching_thread.is_alive()
):
self._interactive_instance_launching_thread.join()
# join raises a RuntimeError if an attempt is made to join the current thread.
# this exception occurs when a object collected by gc mechanism contains a running thread.
if (
threading.current_thread()
!= self._interactive_instance_launching_thread
):
self._interactive_instance_launching_thread.join()
self._close_interactive_instances()
except Exception as e:
logger.error("Failed to close interactive instances: %s" % e)
Expand Down