Are you using zookeeper 3.4.11 ? Please take a look at ZOOKEEPER-2976
Can you pastebin more log before the NoRouteToHostException ? Cheers On Thu, Feb 8, 2018 at 11:39 AM, Raymond, Shawn P CTR USARMY NETCOM (US) < shawn.p.raymond....@mail.mil> wrote: > Afternoon all, > > I was wondering if anyone has seen the following messages appearing after > deployment of a quorum. > > I am running the latest versions of kafka and zookeeper available. > > kafka system 1 > error OpenJDK 64-Bit Server VM warning: If the number of processors is > expected to increase from one, then you should configure the number of > parallel GC threads appropriately using -XX:ParallelGCThreads=N > > kafka systems 2 and 3 > OpenJDK 64-Bit Server VM warning: If the number of processors is expected > to increase from one, then you should configure the number of parallel GC > threads appropriately using -XX:ParallelGCThreads=N > [2018-02-08 12:36:45,348] WARN Session 0x0 for server null, unexpected > error, closing socket connection and attempting reconnect > (org.apache.zookeeper.ClientCnxn) > java.net.NoRouteToHostException: No route to host > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > at sun.nio.ch.SocketChannelImpl.finishConnect( > SocketChannelImpl.java:717) > at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport( > ClientCnxnSocketNIO.java:361) > at org.apache.zookeeper.ClientCnxn$SendThread.run( > ClientCnxn.java:1141) > > does anyone have a clue how to fix these errors, I am running on RHEL 7.4. > > the strange thing is replication is working and topics are being listed. > > Any assistance would be appreciated. > > thank you. > > V/R > > ---- > > Shawn P. Raymond I > > RHCSA, CISSP, GSEC, GISP, SCSA, MCSA, MCNPS, MCPS, MCP > > NCI Inc., Subject Matter Expert Linux /Senior Systems Engineer > > NETCOM G-3/5/7 Shared Resources OED > > DSN: 520-879-5331 > > TEL: 520-533-5331 > >