old incarnation: emulator discarding message

[Norman Shen]

Hello community,

We are seeing the follow entries in rabbitmq's log

2020-12-23 14:06:36.955 [error] emulator Discarding message {'$gen_call',{<0.2702.0>,#Ref<0.1467492396.4269539330.16170>},stat} from <0.2702.0> to <0.26860.4> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.955 [error] emulator Discarding message {'$gen_call',{<0.2700.0>,#Ref<0.1467492396.4269539329.46410>},stat} from <0.2700.0> to <0.16215.2> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.955 [error] emulator Discarding message {'$gen_call',{<0.2710.0>,#Ref<0.1467492396.4269539329.46411>},stat} from <0.2710.0> to <0.18309.1> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.955 [error] emulator Discarding message {'$gen_call',{<0.2710.0>,#Ref<0.1467492396.4269539329.46412>},stat} from <0.2710.0> to <0.7485.4> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.955 [error] emulator Discarding message {'$gen_call',{<0.2697.0>,#Ref<0.1467492396.4269539329.46419>},stat} from <0.2697.0> to <0.23052.5> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.955 [error] emulator Discarding message {'$gen_call',{<0.2709.0>,#Ref<0.1467492396.4269539329.46420>},stat} from <0.2709.0> to <0.8459.3> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.967 [error] emulator Discarding message {'$gen_call',{<0.2706.0>,#Ref<0.1467492396.4269539329.46441>},stat} from <0.2706.0> to <0.16963.5> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.977 [error] emulator Discarding message {'$gen_call',{<0.2709.0>,#Ref<0.1467492396.4269539329.46445>},stat} from <0.2709.0> to <0.15093.2> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.977 [error] emulator Discarding message {'$gen_call',{<0.2709.0>,#Ref<0.1467492396.4269539329.46446>},stat} from <0.2709.0> to <0.8759.5> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.977 [error] emulator Discarding message {'$gen_call',{<0.2710.0>,#Ref<0.1467492396.4269539330.16179>},stat} from <0.2710.0> to <0.22609.3> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.977 [error] emulator Discarding message {'$gen_call',{<0.2710.0>,#Ref<0.1467492396.4269539330.16180>},stat} from <0.2710.0> to <0.26065.4> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.988 [error] emulator Discarding message {'$gen_call',{<0.2700.0>,#Ref<0.1467492396.4269539329.46461>},stat} from <0.2700.0> to <0.16963.5> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.989 [error] emulator Discarding message {'$gen_call',{<0.2705.0>,#Ref<0.1467492396.4269539329.46462>},stat} from <0.2705.0> to <0.11575.4> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.989 [error] emulator Discarding message {'$gen_call',{<0.2704.0>,#Ref<0.1467492396.4269539329.46469>},stat} from <0.2704.0> to <0.26065.4> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.989 [error] emulator Discarding message {'$gen_call',{<0.2701.0>,#Ref<0.1467492396.4269539330.16186>},stat} from <0.2701.0> to <0.18994.3> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.990 [error] emulator Discarding message {'$gen_call',{<0.2711.0>,#Ref<0.1467492396.4269539329.46477>},stat} from <0.2711.0> to <0.14639.2> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.990 [error] emulator Discarding message {'$gen_call',{<0.2698.0>,#Ref<0.1467492396.4269539330.16187>},stat} from <0.2698.0> to <0.14731.5> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.990 [error] emulator Discarding message {'$gen_call',{<0.2701.0>,#Ref<0.1467492396.4269539330.16188>},stat} from <0.2701.0> to <0.15093.2> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.990 [error] emulator Discarding message {'$gen_call',{<0.2710.0>,#Ref<0.1467492396.4269539330.16189>},stat} from <0.2710.0> to <0.18309.1> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.991 [error] emulator Discarding message {'$gen_call',{<0.2709.0>,#Ref<0.1467492396.4269539329.46489>},stat} from <0.2709.0> to <0.22609.3> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.991 [error] emulator Discarding message {'$gen_call',{<0.2702.0>,#Ref<0.1467492396.4269539330.16190>},stat} from <0.2702.0> to <0.26860.4> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.991 [error] emulator Discarding message {'$gen_call',{<0.2696.0>,#Ref<0.1467492396.4269539329.46498>},stat} from <0.2696.0> to <0.24880.5> in an old incarnation (3) of this node (1)

2020-12-23 14:06:36.991 [error] emulator Discarding message {'$gen_call',{<0.2711.0>,#Ref<0.1467492396.4269539329.46499>},stat} from <0.2711.0> to <0.8759.5>

what does this error log mean? we are using rabbitmq 3.7.26. thank you for the help

Best,

Norman

[Wesley Peng]

you are using the old version of RabbitMQ and Erlang, this seems a mirror queue problem.

there are lots of fixes and improvements for the new version. please try to upgrade them.

regards.

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[Karl Nilsson]

This log message is coming from the erlang runtime. It is an internal issue and typically nothing to worry about.