[HADOOP-12781] Enable fencing for logjam-protected ssh servers

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.2
• Component/s: auto-failover

Environment

If a site uses logjam protected ssh servers no common ciphers can be found and fencing breaks because the fencing process cannot be initiated by zkfc.

• Release Note: Simple patch, please review
• Assignee: Olaf Flebbe
• Reporter: Olaf Flebbe
• Created: 08/Feb/16 14:48
• Updated: 09/Apr/16 07:24
• Resolved: 09/Apr/16 07:24

Description

Version 0.15.3 of jsch incorporates changes to add ciphers for logjam protection. See http://www.jcraft.com/jsch/ChangeLog.

Since there are no developer visible changes, updating pom is sufficient.

Doublechecked in my environment.