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hwangj on "Unable to open Opscenter after enabling authentication"

Hi,
I have DSE 3.02 up with two cassandra and one hadoop node cluster. Everything works fine until I enabled the two parameters in cassandra.yaml. They are
authenticator: com.datastax.bdp.cassandra.auth.PasswordAuthenticator
authorizer: com.datastax.bdp.cassandra.auth.CassandraAuthorizer

I also use set_passwd.py to generate '.passwd' and modified the opscenterd.conf as below,
[authentication]
passwd_file = /etc/opscenter/.passwd

Questions:
1. after changes in cassandra.yaml, I am getting 'Username and/or password are incorrect when doing
cqlsh -u cassandra -p cassandra
2. connect to opscenter but not logged in.


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