[ZOOKEEPER-1061] Zookeeper stop fails if start called twice

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.2
• Fix Version/s: 3.4.0
• Component/s: scripts
• Hadoop Flags: Reviewed
• Assignee: Ted Dunning
• Reporter: Ted Dunning
• Created: 10/May/11 20:38
• Updated: 30/Mar/17 14:27
• Resolved: 16/May/11 17:12

Description

The zkServer.sh script doesn't check properly to see if a previously started
server is still running. If you call start twice, the second invocation
will over-write the PID file with a process that then fails due to port
occupancy.

This means that stop will subsequently fail.

Here is a reference that describes how init scripts should normally work:

http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html