Hi, Guy:
I upgraded RabbitMQ from V3.7.0 to V3.8.0. It lways report error after startup like this:
[error] emulator Discarding message {'$gen_call',{<0.14933.5>,#Ref<0.433470481.1499987970.251849>},stat} from <0.14933.5> to <0.2203.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.343 [error] emulator Discarding message {'$gen_call',{<0.2021.6>,#Ref<0.433470481.1499987973.203777>},stat} from <0.2021.6> to <0.1991.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.343 [error] emulator Discarding message {'$gen_call',{<0.206.6>,#Ref<0.433470481.1499987970.251850>},stat} from <0.206.6> to <0.1565.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.343 [error] emulator Discarding message {'$gen_call',{<0.1462.6>,#Ref<0.433470481.1499987973.203778>},stat} from <0.1462.6> to <0.906.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.343 [error] emulator Discarding message {'$gen_call',{<0.111.6>,#Ref<0.433470481.1499987970.251851>},stat} from <0.111.6> to <0.906.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.343 [error] emulator Discarding message {'$gen_call',{<0.2000.6>,#Ref<0.433470481.1499987973.203779>},stat} from <0.2000.6> to <0.1126.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.343 [error] emulator Discarding message {'$gen_call',{<0.1210.6>,#Ref<0.433470481.1500250113.14882>},stat} from <0.1210.6> to <0.1126.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.346 [error] emulator Discarding message {'$gen_call',{<0.14922.5>,#Ref<0.433470481.1499987971.231236>},stat} from <0.14922.5> to <0.2108.0> in an old incarnation (3) of this node (1)
2021-06-09 22:24:34.347 [error] emulator Discarding message {'$gen_call',{<0.1762.6>,#Ref<0.433470481.1499987970.251893>},stat} from <0.1762.6> to <0.906.0> in an old incarnation (3) of this node (1)
Who knows the cause of the mistake?