zookeeper 入坑二： Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to aut

前几段的时候，Zookeeper的安装是成功的，也启动成功，但是今天不知道就怎么了，另外一台装突然就一直启动不起来。在‘#’后面的是注释：

 

# 目前所在的位置：

[scidb@localhost bin]$ pwd

/home/scidb/zookeeper/zookeeper-3.4.8/bin

 

# 在bin的文件下有这些文件：

[scidb@localhost bin]$ ls 

README.txt    zkCli.cmd  zkEnv.cmd  zkServer.cmd  zookeeper.out

zkCleanup.sh  zkCli.sh   zkEnv.sh   zkServer.sh

 

# 接下来启动 zkServer.sh

[scidb@localhost bin]$ sudo sh zkServer.sh start

ZooKeeper JMX enabled by default

Using config: /home/scidb/zookeeper/zookeeper-3.4.8/bin/../conf/zoo.cfg

Starting zookeeper ... STARTED

 

# 看起来是启动成功了哦，然后我们再来看看是否真的启动成功了。

[scidb@localhost bin]$ sh zkServer.sh status

ZooKeeper JMX enabled by default

Using config: /home/scidb/zookeeper/zookeeper-3.4.8/bin/../conf/zoo.cfg

Error contacting service. It is probably not running.

 

# 呵呵，居然没有启动起来。然后我用zkCli.sh 尝试启动客户端，结果。。

[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ ./zkCli.sh
Connecting to localhost:2181
2018-06-30 18:38:54,977 [myid:] - INFO  [main:Environment@100] - Client environment:zookeeper.version=3.4.12-e5259e437540f349646870ea94dc2658c4e44b3b, built on 03/27/2018 03:55 GMT
2018-06-30 18:38:54,985 [myid:] - INFO  [main:Environment@100] - Client environment:host.name=iZuf6j2g9ep36k1nmcesowZ
2018-06-30 18:38:54,985 [myid:] - INFO  [main:Environment@100] - Client environment:java.version=1.8.0_172
2018-06-30 18:38:54,986 [myid:] - INFO  [main:Environment@100] - Client environment:java.vendor=Oracle Corporation
2018-06-30 18:38:54,986 [myid:] - INFO  [main:Environment@100] - Client environment:java.home=/alex/data/java/jdk8/jdk1.8.0_172/jre
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:java.class.path=/alex/data/zoookeeper/zookeeper-3.4.12/bin/../build/classes:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../build/lib/*.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/slf4j-log4j12-1.7.25.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/slf4j-api-1.7.25.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/netty-3.10.6.Final.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/log4j-1.2.17.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/jline-0.9.94.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/audience-annotations-0.5.0.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../zookeeper-3.4.12.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../src/java/lib/*.jar:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../conf:.:/alex/data/java/jdk8/jdk1.8.0_172/jre/lib/rt.jar:/alex/data/java/jdk8/jdk1.8.0_172/lib/dt.jar:/alex/data/java/jdk8/jdk1.8.0_172/lib/tools.jar
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:java.io.tmpdir=/tmp
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:java.compiler=
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:os.name=Linux
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:os.arch=amd64
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:os.version=3.10.0-693.2.2.el7.x86_64
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:user.name=root
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:user.home=/root
2018-06-30 18:38:54,987 [myid:] - INFO  [main:Environment@100] - Client environment:user.dir=/alex/data/zoookeeper/zookeeper-3.4.12/bin
2018-06-30 18:38:54,988 [myid:] - INFO  [main:ZooKeeper@441] - Initiating client connection, connectString=localhost:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@5c29bfd
2018-06-30 18:38:55,012 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
Welcome to ZooKeeper!
JLine support is enabled
2018-06-30 18:38:55,123 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
[zk: localhost:2181(CONNECTING) 0] 2018-06-30 18:38:56,225 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2018-06-30 18:38:56,226 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
2018-06-30 18:38:57,327 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2018-06-30 18:38:57,327 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
2018-06-30 18:38:58,428 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2018-06-30 18:38:58,429 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
2018-06-30 18:38:59,536 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2018-06-30 18:38:59,537 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
2018-06-30 18:39:00,637 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
2018-06-30 18:39:00,638 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ sh zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /alex/data/zoookeeper/zookeeper-3.4.12/bin/../conf/zoo.cfg
Error contacting service. It is probably not running.
[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ sudo netstat -anp | grep 2181
[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ netstat -ntlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:6379            0.0.0.0:*               LISTEN      6136/./redis-server 
tcp        0      0 127.0.0.1:9100          0.0.0.0:*               LISTEN      31614/node_exporter 
tcp        0      0 127.0.0.1:9229          0.0.0.0:*               LISTEN      31593/gitlab-workho 
tcp        0      0 127.0.0.1:9168          0.0.0.0:*               LISTEN      31582/ruby          
tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN      1321/java           
tcp        0      0 127.0.0.1:8082          0.0.0.0:*               LISTEN      4440/sidekiq 5.1.3  
tcp        0      0 127.0.0.1:9236          0.0.0.0:*               LISTEN      31570/gitaly        
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      15241/sshd          
tcp        0      0 0.0.0.0:8060            0.0.0.0:*               LISTEN      31608/nginx: master 
tcp        0      0 0.0.0.0:6783            0.0.0.0:*               LISTEN      31562/alertmanager  
tcp        0      0 0.0.0.0:8800            0.0.0.0:*               LISTEN      31608/nginx: master 
tcp        0      0 127.0.0.1:32000         0.0.0.0:*               LISTEN      1095/java           
tcp        0      0 127.0.0.1:8801          0.0.0.0:*               LISTEN      31275/unicorn worke 
tcp        0      0 127.0.0.1:9121          0.0.0.0:*               LISTEN      31752/redis_exporte 
tcp        0      0 127.0.0.1:9090          0.0.0.0:*               LISTEN      31704/prometheus    
tcp        0      0 127.0.0.1:9187          0.0.0.0:*               LISTEN      31618/postgres_expo 
tcp        0      0 127.0.0.1:9093          0.0.0.0:*               LISTEN      31562/alertmanager  
tcp        0      0 127.0.0.1:8005          0.0.0.0:*               LISTEN      1321/java           
tcp        0      0 0.0.0.0:8009            0.0.0.0:*               LISTEN      1321/java           
tcp6       0      0 :::6379                 :::*                    LISTEN      6136/./redis-server 

 

# 乍一看配置没错啊，我想看看到底2181端口是否被占用。

[scidb@localhost bin]$ sudo netstat -anp | grep 2181

 

# 命令没有问题，程序是真的没有启动起来。

# 接下来我在google和百度里看了搜索了许多有关于这个错误的信息。

分别搜索了‘at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)’、

‘at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)

’、‘INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@1032] - Opening socket connection to server localhost/0:0:0:0:0:0:0:1:2181. Will not attempt to authenticate using SASL (unknown error)’……

看了很多在http://stackoverflow.com/ 上的回答。。。

我靠，居然都没有用啊，多数都在强调你的配置文件的问题。但是配置都已经看烂了，没有什么问题啊！！！

 

# 好吧，最后我快绝望的我切换成root用户，然后象征性的启动，然后查看状态。

[root@localhost bin]# sh zkServer.sh start

ZooKeeper JMX enabled by default

Using config: /home/scidb/zookeeper/zookeeper-3.4.8/bin/../conf/zoo.cfg

Starting zookeeper ... STARTED

[root@localhost bin]# sh zkServer.sh status

ZooKeeper JMX enabled by default

Using config: /home/scidb/zookeeper/zookeeper-3.4.8/bin/../conf/zoo.cfg

Mode: standalone

 

# md，你敢信。。。居然好了。。。

 操作流程

[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ sudo -i
[root@iZuf6j2g9ep36k1nmcesowZ ~]$ cd /alex/data/zoookeeper/zookeeper-3.4.12/bin/
[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$  sh zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /alex/data/zoookeeper/zookeeper-3.4.12/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ sh zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /alex/data/zoookeeper/zookeeper-3.4.12/bin/../conf/zoo.cfg
Mode: standalone
[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ netstat -ntlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:6379            0.0.0.0:*               LISTEN      6136/./redis-server 
tcp        0      0 127.0.0.1:9100          0.0.0.0:*               LISTEN      31614/node_exporter 
tcp        0      0 0.0.0.0:34861           0.0.0.0:*               LISTEN      9306/java           
tcp        0      0 127.0.0.1:9229          0.0.0.0:*               LISTEN      31593/gitlab-workho 
tcp        0      0 127.0.0.1:9168          0.0.0.0:*               LISTEN      31582/ruby          
tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN      1321/java           
tcp        0      0 127.0.0.1:8082          0.0.0.0:*               LISTEN      4440/sidekiq 5.1.3  
tcp        0      0 127.0.0.1:9236          0.0.0.0:*               LISTEN      31570/gitaly        
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      15241/sshd          
tcp        0      0 0.0.0.0:8060            0.0.0.0:*               LISTEN      31608/nginx: master 
tcp        0      0 0.0.0.0:6783            0.0.0.0:*               LISTEN      31562/alertmanager  
tcp        0      0 0.0.0.0:8800            0.0.0.0:*               LISTEN      31608/nginx: master 
tcp        0      0 127.0.0.1:32000         0.0.0.0:*               LISTEN      1095/java           
tcp        0      0 127.0.0.1:8801          0.0.0.0:*               LISTEN      31275/unicorn worke 
tcp        0      0 127.0.0.1:9121          0.0.0.0:*               LISTEN      31752/redis_exporte 
tcp        0      0 127.0.0.1:9090          0.0.0.0:*               LISTEN      31704/prometheus    
tcp        0      0 127.0.0.1:9187          0.0.0.0:*               LISTEN      31618/postgres_expo 
tcp        0      0 0.0.0.0:2181            0.0.0.0:*               LISTEN      9306/java           
tcp        0      0 127.0.0.1:9093          0.0.0.0:*               LISTEN      31562/alertmanager  
tcp        0      0 127.0.0.1:8005          0.0.0.0:*               LISTEN      1321/java           
tcp        0      0 0.0.0.0:8009            0.0.0.0:*               LISTEN      1321/java           
tcp6       0      0 :::6379                 :::*                    LISTEN      6136/./redis-server 

# 然后查看端口占用

[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$  sudo netstat -anp | grep 2181
tcp        0      0 0.0.0.0:2181            0.0.0.0:*               LISTEN      9306/java           
tcp        0      0 172.19.16.12:2181       180.167.57.46:1568      ESTABLISHED 9306/java 

事情在sudo -i的强大能力下解决了~~