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https://issues.apache.org/jira/browse/ZOOKEEPER-2910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187200#comment-16187200
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Patrick Hunt commented on ZOOKEEPER-2910:
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Not sure what you mean by "random". Could you elaborate? Perhaps show what is
leading to you believe this?
I ran 3.4.10/jdk8 on ubuntu 17.04 and see the following:
{noformat}
$ sudo netstat -anp
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
PID/Program name
tcp 0 0 0.0.0.0:2181 0.0.0.0:* LISTEN
17/java
tcp 0 0 0.0.0.0:2182 0.0.0.0:* LISTEN
18/java
tcp 0 0 0.0.0.0:2183 0.0.0.0:* LISTEN
19/java
tcp 0 0 127.0.0.1:3183 0.0.0.0:* LISTEN
19/java
tcp 0 0 127.0.0.1:4181 0.0.0.0:* LISTEN
17/java
tcp 0 0 127.0.0.1:4182 0.0.0.0:* LISTEN
18/java
tcp 0 0 127.0.0.1:4183 0.0.0.0:* LISTEN
19/java
tcp 0 0 127.0.0.1:58712 127.0.0.1:4181 ESTABLISHED
18/java
tcp 0 0 127.0.0.1:4181 127.0.0.1:58708 ESTABLISHED
17/java
tcp 0 0 127.0.0.1:3183 127.0.0.1:46588 ESTABLISHED
19/java
tcp 0 0 127.0.0.1:3183 127.0.0.1:46590 ESTABLISHED
19/java
tcp 0 0 127.0.0.1:4182 127.0.0.1:32794 ESTABLISHED
18/java
tcp 0 0 127.0.0.1:4181 127.0.0.1:58712 ESTABLISHED
17/java
tcp 0 0 127.0.0.1:58708 127.0.0.1:4181 ESTABLISHED
19/java
tcp 0 0 127.0.0.1:32794 127.0.0.1:4182 ESTABLISHED
19/java
tcp 0 0 127.0.0.1:46588 127.0.0.1:3183 ESTABLISHED
18/java
tcp 0 0 127.0.0.1:46590 127.0.0.1:3183 ESTABLISHED
17/java
{noformat}
my config is
{noformat}
clientPort=2181
server.1=localhost:3181:4181
server.2=localhost:3182:4182
server.3=localhost:3183:4183
{noformat}
> zookeeper listening on unknown random port
> ------------------------------------------
>
> Key: ZOOKEEPER-2910
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2910
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.8
> Environment: CentOS 7
> Zookeeper 3.4.8
> JDK 1.8.0_111
> Reporter: ken huang
>
> when zookeeper start, it will listen on three port:
> 2181 for client connnect
> 3888 for leader election
> random for what ?
> three are three port config in zoo.cfg, 2181、2888、3888, but no 2888 listened
> on.
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