[HADOOP-9844] NPE when trying to create an error message response of SASL RPC

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.1, 3.0.0-alpha1
• Fix Version/s: 2.10.0, 3.3.0, 3.2.1, 2.9.3, 3.1.3
• Component/s: ipc
• Hadoop Flags: Reviewed
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 06/Aug/13 18:32
• Updated: 23/Nov/20 21:27
• Resolved: 26/Jul/19 08:58

Description

I'm seeing an NPE which is raised when the server is trying to create an error response to send back to the caller and there is no error text.

The root cause is probably somewhere in SASL, but sending something back to the caller would seem preferable to NPE-ing server-side.

Issue Links

• causes: HADOOP-17392 Remote exception messages should not include the exception class
• is depended upon by: HADOOP-11574 Uber-JIRA: improve Hadoop network resilience & diagnostics
• links to: GitHub Pull Request #55