[ZOOKEEPER-2910] zookeeper listening on unknown random port

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 3.4.8
• Component/s: server

Environment

CentOS 7
Zookeeper 3.4.8
JDK 1.8.0_111

• Assignee: Patrick D. Hunt
• Reporter: ken huang
• Created: 30/Sep/17 09:11
• Updated: 07/Jun/23 09:26
• Resolved: 07/Jun/23 09:26

Description

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.