[英]How to connect to a Cassandra cluster with authentication in Java?
我正在使用Cassandra 3.7。 我正在使用AuthProvider
进行身份验证。 我尝试了两种方法:
AuthProvider authProvider = new PlainTextAuthProvider("abcd", "xyz");
Cluster cluster = Cluster.builder().addContactPoint(node).withAuthProvider(authProvider).build();
Session session = cluster.connect();
和
Cluster cluster = Cluster.builder().addContactPoint(node)..withCredentials("abcd", "xyz").build();
Session session = cluster.connect();
我收到以下错误:
Exception in thread "main" com.datastax.driver.core.exceptions.AuthenticationException: Authentication error on host /127.0.0.1:9042: Host /127.0.0.1:9042 requires authentication, but no authenticator found in Cluster configuration
at com.datastax.driver.core.AuthProvider$1.newAuthenticator(AuthProvider.java:40)
是什么导致错误,我该如何解决?
在cassandra.yaml中更改身份验证者和授权者的值:
验证者:PasswordAuthenticator
授权人:CassandraAuthorizer
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