Connection: factor out #onHandlerError
Connection: factor out #onHandlerError

i/tchannel,vanloswang/tchannel,bunnyblue/tchannel,benfleis/tchannel,chenwenbin928/tchannel,bunnyblue/tchannel,Zirpon/tchannel,bunnyblue/tchannel,RyanTech/tchannel,hustxiaoc/tchannel,savaki/tchannel,sasa233/tchannel,hustxiaoc/tchannel,vanloswang/tchannel,Zirpon/tchannel,savaki/tchannel,savaki/tchannel,chenwenbin928/tchannel,i/tchannel,RyanTech/tchannel,hustxiaoc/tchannel,i/tchannel,RyanTech/tchannel,vanloswang/tchannel,Zirpon/tchannel,benfleis/tchannel,sasa233/tchannel,sasa233/tchannel,benfleis/tchannel,chenwenbin928/tchannel