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The channel never closed because the sender reference is kept by
MessageAccumulator
. That meansschedule_batch_send
loop never ends, so the lib creates a leak. This PR fixes this issue by removing theMessageAccumulator
structure.We also test how
close
anddrop
work onclone
:close
closes the underlying client, so every "linked" producer will be closed.drop
closes the underlying client only if it is the last one.Thanks for the help: @wolf4ood @cc90202
Fix #287