Re: How to Downgrade Kafka from 0.11.0.1 to 0.10.0.1

2017-11-06 Thread Matt Farmer
That trace is buried in request handling code. Are you sure you don’t have a consumer or producer running somewhere with a newer version of Kafka? If you get the startup succeeded message and then get that error later, I would iftop the box and male sure there isn’t anything surprising trying to t

Re: How to Downgrade Kafka from 0.11.0.1 to 0.10.0.1

2017-11-06 Thread Madhukar Bharti
Hi Matt, We are getting below exception while updating with old Kafka build(0.10.0.1) kafka.network.InvalidRequestException: Error getting request for apiKey: 6 and apiVersion: 3 at kafka.network.RequestChannel$Request.liftedTree2$1(RequestChannel.scala:95) at kafka.network.RequestChannel$Request

Re: How to Downgrade Kafka from 0.11.0.1 to 0.10.0.1

2017-11-05 Thread Matt Farmer
If you could provide more details about the kind of issues you saw when you downgraded (e.g. error logs, behavior, etc) it might help folks help you. At the moment, I wouldn't know where to begin with the issue you've described as there's not a ton of detail about what, exactly, went wrong. On Sun

How to Downgrade Kafka from 0.11.0.1 to 0.10.0.1

2017-11-05 Thread Madhukar Bharti
Hi all, Recently we have upgraded our cluster from 0.10.0.1 to 0.11.0.1. After few hours of upgrade we faced issue of too many closed_wait connection. Latter got to know that this is a bug and got fixed in 1.0.0. As of now we can’t take this as there is still possible known bugs are there, we nee