[fix] [issue 1057]: Fix the producer flush opertion is not guarantee to flush all messages #1058
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Fixes #1057
Motivation
dataChan
is introduced by #1029 to fix the problem of reconnectToBroker. But it missed that if a flush operation excuted, there may still be some messages indataChan
. And these messages can't be flushed.Modifications
Verifying this change