8918 [tcp-disco-multicast-addr-rcvr-#9%null%] ERROR org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder  - Runtime error caught during grid runnable execution: IgniteSpiThread [name=tcp-disco-multicast-addr-rcvr-#9%null%]
java.lang.NullPointerException
	at org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder.requestAddresses(TcpDiscoveryMulticastIpFinder.java:610)
	at org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder.access$700(TcpDiscoveryMulticastIpFinder.java:80)
	at org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder$AddressReceiver.body(TcpDiscoveryMulticastIpFinder.java:758)
	at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
8918 [tcp-disco-multicast-addr-rcvr-#8%null%] ERROR org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder  - Runtime error caught during grid runnable execution: IgniteSpiThread [name=tcp-disco-multicast-addr-rcvr-#8%null%]
java.lang.NullPointerException
	at org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder.requestAddresses(TcpDiscoveryMulticastIpFinder.java:610)
	at org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder.access$700(TcpDiscoveryMulticastIpFinder.java:80)
	at org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder$AddressReceiver.body(TcpDiscoveryMulticastIpFinder.java:758)
	at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
9028 [sparkDriverActorSystem-akka.actor.default-dispatcher-4] INFO  akka.remote.RemoteActorRefProvider$RemotingTerminator  - Shutting down remote daemon.