What version of Cassandra are you using. If you're using 1.2.0 (or *were* using 1.2.0 when the 2 nodes were removed), you might be seeing https://issues.apache.org/jira/browse/CASSANDRA-5167.

> Or I have to delete the row in the table

That should work.

On Mon, May 6, 2013 at 4:22 PM, Shahryar Sedghi <shsedghi@gmail.com> wrote:
I had a 4 node cluster in my dev environment and due to resource limitation, I had to remove two nodes. Nodetool status shows only two nodes on both machines , but peers table on one machine still shows entries of the nodes with a null  rpc address. Thrift has no problem with it but new Binary protocol client is slow connecting to that node because of the entries.

Nodetool remove does recognize those removed nodes.It there a way through the commands to remove those entries, Or I have to delete the row in the table.

Thanks  in advance