[rabbitmq-discuss] Can't process_flag(trap_exit, true) in process

[Liuzhuofu]

Hi all:
I found a strange thing:
I create a connection and channel in process 1, and subscribe a queue with process 2, which created by "spawn_link" in process 1, if I run "process_flag(trap_exit, true)" in process 1, the process 2 will receive a 'basic.cancel' message for the subscribe queue. If I don't run "process_flag(trap_exit, true)" in process 1,  the process 2 will never receive that.
Why ?

Regards,
  David
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