[HADOOP-7706] have the pre-commit checks run by hudson veto patches with System.out and System.err calls in them

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: build
• Assignee: Unassigned
• Reporter: Steve Loughran
• Created: 30/Sep/11 15:06
• Updated: 06/Feb/18 20:28

Description

I don't know how to do this, but we ought to get checkstyle to reject System.out and System.err calls, to stop them unintentionally getting into code. We may still need them in some places (LogLevel, external entry points), but those main() methods could all delegate to our own log output method that provides a single place where messages get printed