hi all
in server.log ( kafka machine under /var/log/kafa )
we saw the following errors
Error in fetch kafka.server.ReplicaFetcherThread$FetchRequest@69ab6489 (kafka.server.ReplicaFetcherThread)
what actualyy this errors means?
the full log:
[2018-10-31 14:00:15,249] WARN [ReplicaFetcherThread-0-1008], Error in fetch kafka.server.ReplicaFetcherThread$FetchRequest@69ab6489 (kafka.server.ReplicaFetcherThread)
java.io.IOException: Connection to 1008 was disconnected before the response was read
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1$anonfun$apply$1.apply(NetworkClientBlockingOps.scala:115)
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1$anonfun$apply$1.apply(NetworkClientBlockingOps.scala:112)
at scala.Option.foreach(Option.scala:236)
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1.apply(NetworkClientBlockingOps.scala:112)
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1.apply(NetworkClientBlockingOps.scala:108)
at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:137)
at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$pollContinuously$extension(NetworkClientBlockingOps.scala:143)
at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:253)
at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:238)
at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
[2018-10-31 14:00:47,187] WARN [ReplicaFetcherThread-0-1009], Error in fetch kafka.server.ReplicaFetcherThread$FetchRequest@5e3dd9d9 (kafka.server.ReplicaFetcherThread)
java.io.IOException: Connection to 1009 was disconnected before the response was read
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1$anonfun$apply$1.apply(NetworkClientBlockingOps.scala:115)
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1$anonfun$apply$1.apply(NetworkClientBlockingOps.scala:112)
at scala.Option.foreach(Option.scala:236)
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1.apply(NetworkClientBlockingOps.scala:112)
at kafka.utils.NetworkClientBlockingOps$anonfun$blockingSendAndReceive$extension$1.apply(NetworkClientBlockingOps.scala:108)
at kafka.utils.NetworkClientBlockingOps$.recursivePoll$1(NetworkClientBlockingOps.scala:137)
at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$pollContinuously$extension(NetworkClientBlockingOps.scala:143)
at kafka.utils.NetworkClientBlockingOps$.blockingSendAndReceive$extension(NetworkClientBlockingOps.scala:108)
at kafka.server.ReplicaFetcherThread.sendRequest(ReplicaFetcherThread.scala:253)
at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:238)
at kafka.server.ReplicaFetcherThread.fetch(ReplicaFetcherThread.scala:42)
at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:118)
at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
Michael-Bronson
