[HADOOP-12653] Use SO_REUSEADDR to avoid getting "Address already in use" when using kerberos and attempting to bind to any port on the local IP address

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 2.9.0, 3.0.0-alpha1
• Component/s: net
• Target Version/s: 2.9.0
• Assignee: Colin McCabe
• Reporter: Colin McCabe
• Created: 17/Dec/15 00:36
• Updated: 30/Aug/16 01:20
• Resolved: 12/Jan/16 18:47

Description

Client.java can get "Address already in use" when using kerberos and attempting to bind to any port on the local IP address. It appears to be caused by the host running out of ports in the ephemeral range.