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From "Mike (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-12505) Authentication failure for new nodes
Date Fri, 19 Aug 2016 16:13:20 GMT


Mike commented on CASSANDRA-12505:

I haven't found it in any Cassandra documentation regarding adding new node/DC, but after
I run nodetool repair -full, I was able to login into new node.

> Authentication failure for new nodes
> ------------------------------------
>                 Key: CASSANDRA-12505
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Ubuntu 16.04
>            Reporter: Mike
>            Priority: Critical
> I added new data center with one node to a cluster. The cluster currently has 5 nodes
in 3 data centers. I changed the replication factor of system_auth keyspace according to the
number of nodes. I run nodetool repair and rebuild on new nodes, but I cannot login to the
new nodes. cqlsh reports the following error:
> {noformat}
> Connection error: ('Unable to connect to any servers', {'ip': AuthenticationFailed(u'Failed
to authenticate to ip: code=0100 [Bad credentials] message="Username and/or password are incorrect"',)})
> {noformat}
> I tried using both the SimpleStrategy and NetworkTopologyStrategy for the system_auth
keyspace without changes. I am still able to login into old nodes. nodetool status reports
that every node owns 100% of the system_auth keyspace. The log file does not show any errors.

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