cassandra-cqlsh 连接不了

在遇到Cassandra CQLsh客户端无法连接的问题时,通过调整cassandra.yaml文件中rpc_address和listen_address的配置,成功解决了IP地址错误导致的连接失败。此经验分享了在StackOverflow上找到的解决方案,帮助开发者正确配置Cassandra节点,实现客户端的正常连接。
cassandra 的 cqlsh 客户端进不了,狂看各种教程,终于在stackoverflow 找到灵感。
开始报错:Connection error: Could not connect to 192.168.1.254:9160

原因是 IP 不对,IP 应该是 rpc_address ,这是在cassandra.yaml 里配置的。
我这里的 rpc_address:192.168.1.254
所以,在终端输入: cqlsh 192.168.1.254 9160
就可以登进去了。

来源:http://stackoverflow.com/questions/29121904/cassandra-cqlsh-connection-refused

灵感来源:You need to edit cassandra.yaml on the node you are trying to connect to and set the node ip address for rpc_address and listen_address and restart Cassandra.

rpc_address is the address on which Cassandra listens to the client calls.

listen_address is the address on which Cassandra listens to the other Cassandra nodes.
version: '3' services: # Seed节点(集群发现的核心节点) cassandra-seed: image: rdsource.tp-link.com:8088/cassandra:latest container_name: cassandra-seed environment: - CASSANDRA_CLUSTER_NAME=MyDockerCluster # 所有节点集群名必须一致 - CASSANDRA_SEEDS=cassandra-seed # Seed节点指向自身 - CASSANDRA_LISTEN_ADDRESS=cassandra-seed # 容器间通信地址(用服务名) - CASSANDRA_RPC_ADDRESS=0.0.0.0 # 允许外部客户端连接 - MAX_HEAP_SIZE=1G # JVM堆内存(总内存16G,3节点各1-2G即可) - HEAP_NEWSIZE=256M ports: - "9042:9042" # 暴露CQL端口到主机 volumes: - cassandra-seed-data:/var/lib/cassandra # 数据持久化 # 节点2 cassandra-node2: image: rdsource.tp-link.com:8088/cassandra:latest container_name: cassandra-node2 environment: - CASSANDRA_CLUSTER_NAME=MyDockerCluster - CASSANDRA_SEEDS=cassandra-seed # 指向Seed节点,加入集群 - CASSANDRA_LISTEN_ADDRESS=cassandra-node2 - CASSANDRA_RPC_ADDRESS=0.0.0.0 - MAX_HEAP_SIZE=1G - HEAP_NEWSIZE=256M ports: - "9043:9042" # 主机端口避免冲突 volumes: - cassandra-node2-data:/var/lib/cassandra depends_on: - cassandra-seed # 等待Seed节点启动后再启动 # 节点3 cassandra-node3: image: rdsource.tp-link.com:8088/cassandra:latest container_name: cassandra-node3 environment: - CASSANDRA_CLUSTER_NAME=MyDockerCluster - CASSANDRA_SEEDS=cassandra-seed - CASSANDRA_LISTEN_ADDRESS=cassandra-node3 - CASSANDRA_RPC_ADDRESS=0.0.0.0 - MAX_HEAP_SIZE=1G - HEAP_NEWSIZE=256M ports: - "9044:9042" volumes: - cassandra-node3-data:/var/lib/cassandra depends_on: - cassandra-seed # 定义数据卷,持久化各节点数据(避免容器删除后数据丢失) volumes: cassandra-seed-data: cassandra-node2-data: cassandra-node3-data: 设置一致性
最新发布
09-02
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