[KAFKA-1869] Openning some random ports while running kafka service

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Fix Version/s: 0.8.2.0
• Environment: kafka_2.9.2-0.8.1.1
• Assignee: Manikumar
• Reporter: QianHu
• Created: 16/Jan/15 11:10
• Updated: 24/Jan/15 05:30
• Resolved: 16/Jan/15 18:33

Description

while running kafka service , four random ports have been opened . In which , 8888 and 9092 are setted by myself , but 28538 and 16650 are opened randomly . Can you help me that why this random ports will be opened , and how can we give them constant values ? Thank you very much .
[work@02 kafka]$ jps
8400 Jps
727 Kafka
[work@02 kafka]$ netstat -tpln|grep 727
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 0.0.0.0:8888 0.0.0.0:* LISTEN 727/./bin/../jdk1.7
tcp 0 0 0.0.0.0:28538 0.0.0.0:* LISTEN 727/./bin/../jdk1.7
tcp 0 0 0.0.0.0:9092 0.0.0.0:* LISTEN 727/./bin/../jdk1.7
tcp 0 0 0.0.0.0:16650 0.0.0.0:* LISTEN 727/./bin/../jdk1.7