Client is facing bellow ERROR sometimes which caused ChannelDown. And client can only restart the apps manually to subscribe data again. Client is asking how to capture the message of reactorChannelEventCallback, then they can reconnect automatically.
Text: Received ChannelDown event on channel Channel
Instance Name EmaConsumer_1
Error Id -1
Internal sysError 0
Error Location WlItemHandler.dispatch
Error text ReactorCallbackReturnCodes.FAILURE was returned from defaultMsgCallback(). This caused the Reactor to shutdown.