Hi Chris, The error includes the IP address of the client:
172.20.3.0:53901 Would that help identify the client? We are not aware of issues with the built-in clients. Ismael On Wed, Jun 8, 2016 at 4:13 PM, Chris Barlock <barl...@us.ibm.com> wrote: > I think everyone is using the Maven kafka-clients 0.8.2.1 but I can't be > sure since my team does not have control over all the code. I cannot > identify what is triggering these exceptions -- which is why I was asking > about additional tracing that might add some content around the exception > to help track this down. > > Are you aware of any problems with kafka-clients 0.8.2.1 in this area? I'm > wondering if the problem could be there and that it shows up now because > of the improved error checking you mention. In this case, Rad's > suggestion of upgrading the client code could resolve the issue. > > Thanks! > > Chris > > > > > > From: Grant Henke <ghe...@cloudera.com> > To: users@kafka.apache.org > Date: 06/08/2016 10:58 AM > Subject: Re: Invalid Version for API key > > > > ApiKey 2 is the Offsets request. There is only a version 0 of that > protocol > since there has been no change in the protocol version for LIST_OFFSETS > from 0.8 to 0.10. So there error that version 1 is invalid is correct. > > What has changed in 0.10 is that the validation and errors of incorrect > api > keys has been improved. > > Are you using any custom clients? Can you identify what commands (or > client > code) trigger this error log? > > > > On Wed, Jun 8, 2016 at 9:39 AM, Chris Barlock <barl...@us.ibm.com> wrote: > > > Anyone? Is there additional tracing that can be turned on to track down > > the source of these exceptions? > > > > Chris > > > > > > > > > > From: Chris Barlock/Raleigh/IBM@IBMUS > > To: users@kafka.apache.org > > Date: 06/07/2016 12:45 PM > > Subject: Invalid Version for API key > > > > > > > > We are running some tests on upgrading from Kafka 2.10-0.8.2.1 to > > 2.11-0.10.00. So far, we only upgraded the server. All of the clients > > that I could verify are still using the Maven kafka-clients version > > 0.8.2.1. There are a number of exceptions in the server.log: > > > > [2016-06-07 16:00:00,266] ERROR Closing socket for > > 172.20.8.19:9092-172.20.3.0:53901 because of error > > (kafka.network.Processor) > > kafka.network.InvalidRequestException: Error getting request for apiKey: > 2 > > > > and apiVersion: 1 > > at > > > kafka.network.RequestChannel$Request.liftedTree2$1(RequestChannel.scala:95) > > at > > kafka.network.RequestChannel$Request.<init>(RequestChannel.scala:87) > > at > > > > > > kafka.network.Processor$$anonfun$processCompletedReceives$1.apply(SocketServer.scala:488) > > at > > > > > > kafka.network.Processor$$anonfun$processCompletedReceives$1.apply(SocketServer.scala:483) > > at scala.collection.Iterator$class.foreach(Iterator.scala:893) > > at > scala.collection.AbstractIterator.foreach(Iterator.scala:1336) > > at > > scala.collection.IterableLike$class.foreach(IterableLike.scala:72) > > at scala.collection.AbstractIterable.foreach(Iterable.scala:54) > > at > > kafka.network.Processor.processCompletedReceives(SocketServer.scala:483) > > at kafka.network.Processor.run(SocketServer.scala:413) > > at java.lang.Thread.run(Thread.java:785) > > Caused by: java.lang.IllegalArgumentException: Invalid version for API > key > > > > 2: 1 > > at > > > org.apache.kafka.common.protocol.ProtoUtils.schemaFor(ProtoUtils.java:31) > > at > > > > > > org.apache.kafka.common.protocol.ProtoUtils.requestSchema(ProtoUtils.java:44) > > at > > > > > > org.apache.kafka.common.protocol.ProtoUtils.parseRequest(ProtoUtils.java:60) > > at > > > > > > org.apache.kafka.common.requests.ListOffsetRequest.parse(ListOffsetRequest.java:142) > > at > > > > > > org.apache.kafka.common.requests.AbstractRequest.getRequest(AbstractRequest.java:46) > > at > > > kafka.network.RequestChannel$Request.liftedTree2$1(RequestChannel.scala:92) > > ... 10 more > > > > Any guidance on what the source of this might be? > > > > Chris > > > > > > > > > > > > > > > -- > Grant Henke > Software Engineer | Cloudera > gr...@cloudera.com | twitter.com/gchenke | linkedin.com/in/granthenke > > > > >