Will try the configuration at server and report back.
Slava, Denis, Can you also take a look at the below thread. I certainly believe this again a problem with ignite discovery spi or some such. I have attached all logs and configuration. http://apache-ignite-users.70518.x6.nabble.com/Ignite-2-7-0-thick-client-has-all-system-threads-busy-indefinitely-td28880.html