[ 
https://issues.apache.org/jira/browse/KAFKA-8537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Prem Kamal reassigned KAFKA-8537:
---------------------------------

    Assignee:     (was: Prem Kamal)

> Kafka issues after 2.1.0 upgrade: java.net.SocketTimeoutException: Failed to 
> connect within 30000 ms
> ----------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-8537
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8537
>             Project: Kafka
>          Issue Type: Bug
>          Components: controller, core
>    Affects Versions: 2.1.0
>         Environment: RHEL Centos 7
>            Reporter: VinayKumar
>            Priority: Blocker
>
> After upgrading to 2.1.0 and added 2 nodes to existing kafka cluster, we are 
> seeing below exceptions in all the kafka server nodes.
> Please assist on the below issue. We are facing this in production 
> environment and its effecting the data.
>  
> Below is the kafkaServer log:
> --------------------------------------
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:32:50,779] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:32:50,779] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:33:22,781] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:33:22,782] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:33:54,811] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:33:54,811] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:34:26,842] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:34:26,842] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:34:58,873] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:34:58,874] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:35:30,879] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:35:30,879] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:36:02,895] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:36:02,896] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-06-13 13:36:34,914] INFO [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error sending fetch request (sessionId=917670852, epoch=INITIAL) 
> to node 1: java.net.SocketTimeoutException: Failed to connect within 30000 
> ms. (org.apache.kafka.clients.FetchSessionHandler)
> [2019-06-13 13:36:34,914] WARN [ReplicaFetcher replicaId=0, leaderId=1, 
> fetcherId=0] Error in response for fetch request (type=FetchRequest, 
> replicaId=0, maxWait=500, minBytes=1, maxBytes=10485760, 
> fetchData=\{rsyslog_logstash-2=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[37]), __consumer_offsets-30=(offset=993338, 
> logStartOffset=993338, maxBytes=1048576, currentLeaderEpoch=Optional[123]), 
> artifactory-0=(offset=0, logStartOffset=0, maxBytes=1048576, 
> currentLeaderEpoch=Optional[28]), __consumer_offsets-15=(offset=1587225971, 
> logStartOffset=1587225971, maxBytes=1048576, 
> currentLeaderEpoch=Optional[119]), canary-0=(offset=365, logStartOffset=365, 
> maxBytes=1048576, currentLeaderEpoch=Optional[33]), dhcp-1=(offset=119100650, 
> logStartOffset=117981376, maxBytes=1048576, currentLeaderEpoch=Optional[60]), 
> network-rsyslog-0=(offset=28239623581, logStartOffset=28206340439, 
> maxBytes=1048576, currentLeaderEpoch=Optional[43]), 
> __consumer_offsets-10=(offset=521110, logStartOffset=521110, 
> maxBytes=1048576, currentLeaderEpoch=Optional[129]), 
> cyberark-2=(offset=2908230, logStartOffset=2884227, maxBytes=1048576, 
> currentLeaderEpoch=Optional[83]), __consumer_offsets-35=(offset=3486700, 
> logStartOffset=3486700, maxBytes=1048576, currentLeaderEpoch=Optional[107]), 
> seclogs-1=(offset=4018313686, logStartOffset=4017261270, maxBytes=1048576, 
> currentLeaderEpoch=Optional[91])}, isolationLevel=READ_UNCOMMITTED, 
> toForget=, metadata=(sessionId=917670852, epoch=INITIAL)) 
> (kafka.server.ReplicaFetcherThread)
> java.net.SocketTimeoutException: Failed to connect within 30000 ms
>  at 
> kafka.server.ReplicaFetcherBlockingSend.sendRequest(ReplicaFetcherBlockingSend.scala:93)
>  at 
> kafka.server.ReplicaFetcherThread.fetchFromLeader(ReplicaFetcherThread.scala:190)
>  at 
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:241)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3(AbstractFetcherThread.scala:130)
>  at 
> kafka.server.AbstractFetcherThread.$anonfun$maybeFetch$3$adapted(AbstractFetcherThread.scala:129)
>  at scala.Option.foreach(Option.scala:257)
>  at 
> kafka.server.AbstractFetcherThread.maybeFetch(AbstractFetcherThread.scala:129)
>  at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:111)
>  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)



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