JDK-8019185 : Inconsistency between JapaneseEra start dates and java.util.JapaneseImperialDate
  • Type: Bug
  • Component: core-libs
  • Sub-Component: java.time
  • Affected Version: 8
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • Submitted: 2013-06-26
  • Updated: 2014-07-30
  • Resolved: 2013-08-16
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JDK 8
8 b105Fixed
Related Reports
Relates :  
JDK-8044671 - NPE from JapaneseEra when a new era is defined in calendar.properties
Relates :  
JDK-8023556 - Update javadoc for start of Meiji era
Description
The JapaneseEra class defines the 4 pre-existing Eras with a defined start date.
These dates are used for *some* of the methods that map dates to eras JapaneseEra.from(localdate).
But other methods, JapaneseDate.ofYearDay(Era, yoe, dayOfYear) go directly to the java.util.JapaneseImprerialCalendar.
But the hard coded start dates do not match the start dates configured in lib/calendar.properties.

This occurs in JapaneseEra.MEIJI  (Sept 8 vs Jan 1).
Comments
The update affects documentation (along with JDK-8023556); The source level change is not visible in the API since dates before MEIJI 6 are not supported.
09-09-2013