[HADOOP-14959] DelegationTokenAuthenticator.authenticate() to wrap network exceptions

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.8.1
• Fix Version/s: 3.1.0
• Component/s: net, security
• Hadoop Flags: Reviewed
• Assignee: Ajay Kumar
• Reporter: Steve Loughran
• Created: 18/Oct/17 10:43
• Updated: 27/Feb/18 23:02
• Resolved: 27/Feb/18 16:49

Description

network errors raised in DelegationTokenAuthenticator.authenticate() aren't being wrapped, so only return the usual limited-value java.net error text. using NetUtils.wrapException() can address that

Issue Links

• relates to: HADOOP-12897 KerberosAuthenticator.authenticate to include URL on IO failures
• requires: HADOOP-15178 Generalize NetUtils#wrapException to handle other subclasses with String Constructor