Hello! Please consider the following messages:
[2021-04-21T14:55:09,203][WARN ][tcp-comm-worker-#1%EDIFCustomer%][TcpCommunicationSpi] Connect timed out (consider increasing 'failureDetectionTimeout' configuration property) [addr=/10.40.0.78:47100, failureDetectionTimeout=60000] [2021-04-21T14:55:09,203][WARN ][tcp-comm-worker-#1%EDIFCustomer%][TcpCommunicationSpi] Failed to connect to a remote node (make sure that destination node is alive and operating system firewall is disabled on local and remote hosts) [addrs=[/ 10.40.0.78:47100, /127.0.0.1:47100]] I can see that communication threads will spend a lot of time on connect(), indicating network or firewall issues: Thread [name="tcp-comm-worker-#1%EDIFCustomer%", id=365, state=RUNNABLE, blockCnt=1294, waitCnt=12569] at sun.nio.ch.Net.poll(Native Method) at sun.nio.ch.SocketChannelImpl.poll(SocketChannelImpl.java:954) - locked java.lang.Object@65ec5b09 at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:110) - locked java.lang.Object@9ecd49c at o.a.i.spi.communication.tcp.TcpCommunicationSpi.createTcpClient(TcpCommunicationSpi.java:3299) at o.a.i.spi.communication.tcp.TcpCommunicationSpi.createNioClient(TcpCommunicationSpi.java:2987) at o.a.i.spi.communication.tcp.TcpCommunicationSpi.reserveClient(TcpCommunicationSpi.java:2870) at o.a.i.spi.communication.tcp.TcpCommunicationSpi.access$6000(TcpCommunicationSpi.java:271) at o.a.i.spi.communication.tcp.TcpCommunicationSpi$CommunicationWorker.processDisconnect(TcpCommunicationSpi.java:4489) at o.a.i.spi.communication.tcp.TcpCommunicationSpi$CommunicationWorker.body(TcpCommunicationSpi.java:4294) at o.a.i.i.util.worker.GridWorker.run(GridWorker.java:120) at o.a.i.spi.communication.tcp.TcpCommunicationSpi$5.body(TcpCommunicationSpi.java:2237) at o.a.i.spi.IgniteSpiThread.run(IgniteSpiThread.java:62) I think this is the root cause. Your server node cannot connect to some of your remaining nodes' communication port. Maybe your server node is behind NAT or firewall. Consider enabling NAT traversal feature: https://ignite.apache.org/docs/latest/clustering/running-client-nodes-behind-nat Regards, -- Ilya Kasnacheev чт, 22 апр. 2021 г. в 21:58, Gangaiah Gundeboina <gangaiah.ya...@gmail.com>: > HI Ilya, > > Please find attached full log file. > > Regards, > Gangaiah > > server_log.zip > <http://apache-ignite-users.70518.x6.nabble.com/file/t2396/server_log.zip> > > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >