小编dan*_*mon的帖子

这是我的free和smem输出：

danslimmon@bad-server:~$ free -m
             total       used       free     shared    buffers     cached
Mem:         30147      29928        218          6          4       3086
-/+ buffers/cache:      26837       3309
Swap:            0          0          0

danslimmon@bad-server:~$ smem -tw
Area                           Used      Cache   Noncache
firmware/hardware                 0          0          0
kernel image                      0          0          0
kernel dynamic memory      12857576    2887440    9970136
userspace memory           17661400    1272468   16388932
free memory                  351592     351592          0
----------------------------------------------------------
                           30870568    4511500   26359068

这是我的top输出的头部，按 RSS 排序：

top - 15:51:13 up 248 days, 14:20,  1 user,  load …

我在 Debian 7 上运行带有三节点集群的 Cassandra 1.2。集群运行良好。但我想为客户端启用加密，如此处所述：ttp://www.datastax.com/documentation/cassandra/1.2/webhelp/cassandra/security/secureSSLClientToNode_t.html

但是当我在进行必要的配置更改后重新启动 Cassandra 时，我在日志中收到此错误，并且 Cassandra 崩溃：

 INFO 20:12:16,734 enabling encrypted thrift connections between client and server
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.apache.commons.daemon.support.DaemonLoader.start(DaemonLoader.java:243)
Caused by: java.lang.RuntimeException: Unable to create thrift socket to /192.168.0.1:9160
        at org.apache.cassandra.thrift.CustomTThreadPoolServer$Factory.buildTServer(CustomTThreadPoolServer.java:267)
        at org.apache.cassandra.thrift.TServerCustomFactory.buildTServer(TServerCustomFactory.java:46)
        at org.apache.cassandra.thrift.ThriftServer$ThriftServerThread.<init>(ThriftServer.java:105)
        at org.apache.cassandra.thrift.ThriftServer.start(ThriftServer.java:52)
        at org.apache.cassandra.service.CassandraDaemon.start(CassandraDaemon.java:400)
        ... 5 more
Caused by: org.apache.thrift.transport.TTransportException: Could not bind to port 9160
        at org.apache.thrift.transport.TSSLTransportFactory.createServer(TSSLTransportFactory.java:117)
        at org.apache.thrift.transport.TSSLTransportFactory.getServerSocket(TSSLTransportFactory.java:103)
        at org.apache.cassandra.thrift.CustomTThreadPoolServer$Factory.buildTServer(CustomTThreadPoolServer.java:257)
        ... 9 more
Caused by: java.lang.IllegalArgumentException: …