cassandra sstable-loader error: "Got an unknow host from describe_ring()"

I am trying to load sstables to cassandra cluster of two nodes with sstable-loader utility provided in cassandra 0.8.4

1) I have loaded the data successfully on single node environment . 2) As i have created the cluster of two nodes ,while loading ,after gossip it throws exception

java.开发者_Go百科lang.RuntimeException: Got an unknow host from describe_ring()

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This is a bug in 0.8.4 (https://issues.apache.org/jira/browse/CASSANDRA-3044). It's fixed in 0.8.5; you can test that by following the link on the release thread here.