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https://issues.apache.org/jira/browse/CASSANDRA-10781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15031590#comment-15031590
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Sam Tunnicliffe commented on CASSANDRA-10781:
---------------------------------------------
Are you unable to connect at all, or is the problem intermittent? When using
the default superuser credentials (i.e. the {{cassandra}} user), reads from the
internal auth tables are performed with {{LOCAL_QUORUM}} consistency level. For
any other credentials, reads are performed at cl {{ONE}}. Check the
{{system.log}} on the node you're connecting to verify that it is this read
which is timing out.
If you are able to connect sometimes, you should follow the guidance
[here|http://docs.datastax.com/en/cassandra/2.2/cassandra/configuration/secureConfigNativeAuth.html]
and create an alternative superuser role to use for login.
> Connection Timed Out When PasswordAuthenticator Enabled on Cubieboard
> ---------------------------------------------------------------------
>
> Key: CASSANDRA-10781
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10781
> Project: Cassandra
> Issue Type: Bug
> Environment: Working Environment: Cubie-board A80, running Ubuntu
> Linaro 14.04 (which is download from
> http://dl.cubieboard.org/model/cc-a80/Image/ubuntu-linaro)
> Cassandra version: Version 2.1.7 (from
> http://downloads.datastax.com/community/dsc-cassandra-2.1.7-bin.tar.gz)
> Also tested with 2.2.3 version
> Reporter: Xiangyu Zhang
>
> Connect using default username and password ./cqlsh 192.168.10.26 -u
> cassandra -p cassandra), it will timed out:Connection error: ('Unable to
> connect to any servers', {'192.168.10.26': OperationTimedOut('errors=Timed
> out creating connection, last_host=None',)}). This happens when
> PasswordAuthenticator is enabled. When it is disabled, database can be
> connected. Might be some dependency issue that causing the authentication
> timed out, checked that openssl properly installed. Is there a possible way
> to track down why the authentication timed out?
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