Cassandra身份验证问题 [英] Cassandra Authentication issue
问题描述
cassandra版本:apache-cassandra-2.1.8
cassandra version :apache-cassandra-2.1.8
我最近配置了两个节点集群 Authenticator
设置为 PasswordAuthenticator
。当一个节点关闭时,我无法登录到Cqlsh并得到以下错误
I have recently configured 2 node cluster with Authenticator
set to PasswordAuthenticator
. When one of the node is down I am not able to login to Cqlsh and gets below error
Connection error: ('Unable to connect to any servers',
{'192.168.0.45': AuthenticationFailed(u'Failed to authenticate to 192.168.0.45: code=0100 [Bad credentials]
message="org.apache.cassandra.exceptions.UnavailableException: Cannot achieve consistency level QUORUM"',)})
system_auth RF设置为2因为我有2个节点。
The system_auth RF is set to 2 as i have 2 nodes.
C:\apache-cassandra-2.1.8-bin\apache-cassandra-2.1.8\bin>nodetool status
Starting NodeTool
Datacenter: DC1
================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID Rack
UN 192.168.0.45 327.87 KB 256 ? 66a97a0a-d69c-4daf-b0f5-55cb8442d728 RAC1
UN 192.168.0.46 234.28 KB 256 ? 432031fc-eea3-4b02-8d79-f877bbd8afaf RAC1
KeySpace RF
cassandra@cqlsh> select * from system.schema_keyspaces;
keyspace_name | durable_writes | strategy_class | strategy_options
---------------+----------------+---------------------------------------------+----------------------------
system_auth | True | org.apache.cassandra.locator.SimpleStrategy | {"replication_factor":"2"}
system | True | org.apache.cassandra.locator.LocalStrategy | {}
system_traces | True | org.apache.cassandra.locator.SimpleStrategy | {"replication_factor":"2"}
(3 rows)
我已附加Cassandra文件,cassandra.yaml和cassandra-topology.properties文件
I have attached the Cassandra File,cassandra.yaml and cassandra-topology.properties file
推荐答案
这可能与此有关:
对于大多数system_auth查询,Cassandra使用一致性级别为LOCAL_ONE,并对默认的cassandrasuperuser使用QUORUM;
"For most system_auth queries, Cassandra uses a consistency level of LOCAL_ONE and uses QUORUM for the default cassandrasuperuser;"
您尝试以使用者「cassandra」连线吗?如果是这样,这可能是为什么它试图使用一致性级别仲裁。由于您只有两个节点,因此定额将同时是节点。
Are you trying to connect as user "cassandra"? If so, that might be why it is trying to use consistency level quorum. Since you only have two nodes, a quorum would be both nodes.
因此,请尝试根据说明创建不同的用户此处。
So try creating a different user per the instructions here.
这篇关于Cassandra身份验证问题的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!