我有安装了CentOS 7的 Cloud 服务器 . 我昨天已经安装了Apache Cassandra 3.7 . 我昨天能够使用cqlsh访问Cassandra,但今天当我尝试使用cqlsh访问它时,它给出了如下错误:
Blockquote连接错误:('无法连接到任何服务器',{'127.0.0.1':错误(111,“尝试连接到[('127.0.0.1',9042)] . 最后一个错误:连接被拒绝”)} )Blockquote
下面是cassandra.log的详细信息
Blockquote
INFO 06:45:53 Initializing system_schema.keyspaces
INFO 06:45:53 Initializing system_schema.tables
INFO 06:45:53 Initializing system_schema.columns
INFO 06:45:53 Initializing system_schema.triggers
INFO 06:45:53 Initializing system_schema.dropped_columns
INFO 06:45:53 Initializing system_schema.views
INFO 06:45:53 Initializing system_schema.types
INFO 06:45:53 Initializing system_schema.functions
INFO 06:45:53 Initializing system_schema.aggregates
INFO 06:45:53 Initializing system_schema.indexes
INFO 06:45:53 Not submitting build tasks for views in keyspace system_schema as storage service is not initialized
ERROR 06:45:54 Failed to create /var/lib/cassandra/data/test/merchant-f0892c606e6611e69252716e565c6453 directory
ERROR 06:45:54 Exiting forcefully due to file system exception on startup, disk failure policy "stop"
org.apache.cassandra.io.FSWriteError: java.io.IOException: Failed to mkdirs /var/lib/cassandra/data/test/merchant-f0892c606e6611e69252716e565c6453
at org.apache.cassandra.io.util.FileUtils.createDirectory(FileUtils.java:365) ~[apache-cassandra-3.7.0.jar:3.7.0]
at org.apache.cassandra.db.Directories.<init>(Directories.java:241) ~[apache-cassandra-3.7.0.jar:3.7.0]
at org.apache.cassandra.db.ColumnFamilyStore.scrubDataDirectories(ColumnFamilyStore.java:601) [apache-cassandra-3.7.0.jar:3.7.0]
at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:264) [apache-cassandra-3.7.0.jar:3.7.0]
at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:585) [apache-cassandra-3.7.0.jar:3.7.0]
at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:714) [apache-cassandra-3.7.0.jar:3.7.0]
Caused by: java.io.IOException: Failed to mkdirs /var/lib/cassandra/data/test/merchant-f0892c606e6611e69252716e565c6453
... 6 common frames omitted
Blockquote
我也将listen_address和rpc_address更改为我的本地IP,public_ip和127.0.0.1但是没有连接
谢谢
2 回答
我认为这是一个与用户persmission相关的错误 . 请尝试下面 . 它也可能是一个脚本冲突 .
要么
任何方式尝试以root身份启动cassandra
在关机之前,还要尝试正常关闭cassandra服务 .
喜欢 ..
要么
谢谢它只使用
chown -R cassandra:cassandra / var / lib / cassandra / data /