[HADOOP-8238] NetUtils#getHostNameOfIP blows up if given ip:port string w/o port

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0-alpha
• Hadoop Flags: Reviewed
• Assignee: Eli Collins
• Reporter: Eli Collins
• Created: 01/Apr/12 19:11
• Updated: 22/Jun/12 05:02
• Resolved: 01/Apr/12 20:11

Description

NetUtils#getHostNameOfIP blows up if not given a string of form ip:port, because the regex matches the port optionally but the code requires a semicolon. It also doesn't check the given string for null.