[HADOOP-10549] MAX_SUBST and varPat should be final in Configuration.java

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 2.5.0
• Component/s: conf
• Target Version/s: 2.5.0
• Hadoop Flags: Reviewed
• Assignee: Gera Shegalov
• Reporter: Gera Shegalov
• Created: 29/Apr/14 11:24
• Updated: 03/Sep/14 20:36
• Resolved: 02/May/14 19:15

Description

In Configuration, expansion of variables is handled using the following constants that are not declared final:

  private static Pattern varPat = Pattern.compile("\\$\\{[^\\}\\$\u0020]+\\}");
  private static int MAX_SUBST = 20;