Hello! Unfortunately I think you have stumbled on a known issue: https://issues.apache.org/jira/browse/IGNITE-10010
It is a Blocker for 2.8 so I hope it will get fixed in a next release. Regards, -- Ilya Kasnacheev вт, 29 янв. 2019 г. в 08:31, mahesh76private <maheshk...@gmail.com>: > We got this null pointer exception and the nodes rebooted. > > Attached are the logs. > GridCachePartitionExchanger.GridCachePartitionExchanger > < > http://apache-ignite-users.70518.x6.nabble.com/file/t1596/GridCachePartitionExchanger.GridCachePartitionExchanger> > > > > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >