[rabbitmq-discuss] amqp_client upgrade bug

[Ivan Dyachkov]

Hi guys,

this is really weird:

src/amqp_channel.erl:
   469 code_change(_OldVsn, State, _Extra) ->
   470     State.

when it must return {ok, State}. So when we try to upgrade node running amqp_client, upgrade fails.
Other modules implementing gen_server[2] behavior have the same issue.

/Ivan
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