我想知道如果com.datastax.cassandra:cassandra-driver-core:2.0.0-beta2可以与org.apache一起使用。卡桑德拉:卡桑德拉全:1.2.1。我使用卡桑德拉 - Maven的插件:1.2.1-1(使用org.apache.cassandra:卡桑德拉全:1.2.1),加入DataStax与Cassandra 1.2.1的Java驱动程序2.0.0-beta2:不支持的协议版本
start_native_transport: true
native_transport_port: ${cassandra.nativePort}
到yaml
插件属性。我可以成功地telnet到端口。
然而,当我试图通过下面的代码进行连接,
// Ports.NATIVE has the same value as "${cassandra.nativePort}" above
Cluster cluster = Cluster.builder().addContactPoint("127.0.0.1")
.withPort(Ports.NATIVE).build();
Session session = cluster.connect();
我得到以下异常:
com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: /127.0.0.1 (com.datastax.driver.core.ConnectionException: [/127.0.0.1] Unexpected error during transport initialization (com.datastax.driver.core.TransportException: [/127.0.0.1] Unexpected exception triggered (com.datastax.driver.core.exceptions.DriverInternalError: Server response from unsupported protocol version: 1))))
at com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:179)
at com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:77)
at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:868)
at com.datastax.driver.core.Cluster$Manager.newSession(Cluster.java:888)
at com.datastax.driver.core.Cluster$Manager.access$200(Cluster.java:792)
at com.datastax.driver.core.Cluster.connect(Cluster.java:155)
我认为问题的症结所在是Server response from unsupported protocol version: 1
。
这是否意味着2.0.0-beta2驱动程序不能与Cassandra 1.2.1一起使用?驱动程序/服务器兼容性矩阵在哪里?
我已经烧了差不多一天了。
感谢, 马修
啊,没有看到,因为它在驱动程序核心文件夹下。如果它突出显示在根的自述文件中,它会很好。谢谢! –