my Cassandra version is
1.2.4 and i'm trying to upgrade it to
2.0.5 and i know that in the first part i have to upgrade it to
1.0.14 and after that try to upgrade it to the
when I try to run
nodetool -h localhost removenode Host ID it gives me :
Exception in thread "main" java.lang.UnsupportedOperationException: Cannot remove self at org.apache.cassandra.service.StorageService.removeNode(StorageService.java:3199) .....
before running that command i tried
what is the problem ? and how can i resolve it ?
OS:Ubuntu 12.04 lts