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
# 接下来启动
[scidb@localhost bin]$ sudo sh start
ZooKeeper JMX enabled by default
Using config: /home/scidb/zookeeper/zookeeper-3.4.8/bin/../conf/
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 status
ZooKeeper JMX enabled by default
Using config: /home/scidb/zookeeper/zookeeper-3.4.8/bin/../conf/
Error contacting service. It is probably not running.
# 呵呵,居然没有启动起来。然后我用 尝试启动客户端,结果。。
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[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ ./
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Connecting to localhost:2181
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2018-06-30 18:38:54,977 [myid:] - INFO [main:Environment@100] - Client environment:=3.4.12-e5259e437540f349646870ea94dc2658c4e44b3b, built on 03/27/2018 03:55 GMT
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2018-06-30 18:38:54,985 [myid:] - INFO [main:Environment@100] - Client environment:=iZuf6j2g9ep36k1nmcesowZ
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2018-06-30 18:38:54,985 [myid:] - INFO [main:Environment@100] - Client environment:=1.8.0_172
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2018-06-30 18:38:54,986 [myid:] - INFO [main:Environment@100] - Client environment:=Oracle Corporation
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2018-06-30 18:38:54,986 [myid:] - INFO [main:Environment@100] - Client environment:=/alex/data/java/jdk8/jdk1.8.0_172/jre
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=/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.:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/slf4j-api-1.7.:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/netty-3.10.:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/log4j-1.2.:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/jline-0.9.:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../lib/audience-annotations-0.5.:/alex/data/zoookeeper/zookeeper-3.4.12/bin/../zookeeper-3.4.:/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/:/alex/data/java/jdk8/jdk1.8.0_172/lib/:/alex/data/java/jdk8/jdk1.8.0_172/lib/
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=/tmp
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=<NA>
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=Linux
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=amd64
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=3.10.0-693.2.2.el7.x86_64
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=root
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=/root
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2018-06-30 18:38:54,987 [myid:] - INFO [main:Environment@100] - Client environment:=/alex/data/zoookeeper/zookeeper-3.4.12/bin
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2018-06-30 18:38:54,988 [myid:] - INFO [main:ZooKeeper@441] - Initiating client connection, connectString=localhost:2181 sessionTimeout=30000 watcher=$MyWatcher@5c29bfd
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2018-06-30 18:38:55,012 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
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Welcome to ZooKeeper!
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JLine support is enabled
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2018-06-30 18:38:55,123 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
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[zk: localhost:2181(CONNECTING) 0] 2018-06-30 18:38:56,225 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
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2018-06-30 18:38:56,226 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
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2018-06-30 18:38:57,327 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
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2018-06-30 18:38:57,327 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
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2018-06-30 18:38:58,428 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
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2018-06-30 18:38:58,429 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
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2018-06-30 18:38:59,536 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
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2018-06-30 18:38:59,537 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
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2018-06-30 18:39:00,637 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1028] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
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2018-06-30 18:39:00,638 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1165] - Socket error occurred: localhost/127.0.0.1:2181: Connection refused
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[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ sh status
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ZooKeeper JMX enabled by default
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Using config: /alex/data/zoookeeper/zookeeper-3.4.12/bin/../conf/
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Error contacting service. It is probably not running.
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[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ sudo netstat -anp | grep 2181
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[root@iZuf6j2g9ep36k1nmcesowZ /alex/data/zoookeeper/zookeeper-3.4.12/bin]$ netstat -ntlp
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Active Internet connections (only servers)
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Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
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tcp 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN 6136/./redis-server
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tcp 0 0 127.0.0.1:9100 0.0.0.0:* LISTEN 31614/node_exporter
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tcp 0 0 127.0.0.1:9229 0.0.0.0:* LISTEN 31593/gitlab-workho
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tcp 0 0 127.0.0.1:9168 0.0.0.0:* LISTEN 31582/ruby
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tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN 1321/java
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tcp 0 0 127.0.0.1:8082 0.0.0.0:* LISTEN 4440/sidekiq 5.1.3
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tcp 0 0 127.0.0.1:9236 0.0.0.0:* LISTEN 31570/gitaly
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tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 15241/sshd
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tcp 0 0 0.0.0.0:8060 0.0.0.0:* LISTEN 31608/nginx: master
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tcp 0 0 0.0.0.0:6783 0.0.0.0:* LISTEN 31562/alertmanager
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tcp 0 0 0.0.0.0:8800 0.0.0.0:* LISTEN 31608/nginx: master
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tcp 0 0 127.0.0.1:32000 0.0.0.0:* LISTEN 1095/java
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tcp 0 0 127.0.0.1:8801 0.0.0.0:* LISTEN 31275/unicorn worke
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tcp 0 0 127.0.0.1:9121 0.0.0.0:* LISTEN 31752/redis_exporte
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tcp 0 0 127.0.0.1:9090 0.0.0.0:* LISTEN 31704/prometheus
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tcp 0 0 127.0.0.1:9187 0.0.0.0:* LISTEN 31618/postgres_expo
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tcp 0 0 127.0.0.1:9093 0.0.0.0:* LISTEN 31562/alertmanager
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tcp 0 0 127.0.0.1:8005 0.0.0.0:* LISTEN 1321/java
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tcp 0 0 0.0.0.0:8009 0.0.0.0:* LISTEN 1321/java
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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