[jboss-jira] [JBoss JIRA] (AS7-5774) EJB calendar timer Sunday calculation problem in certain locales

[Cheng Fang (JIRA)]

Cheng Fang created AS7-5774:
-------------------------------

             Summary: EJB calendar timer Sunday calculation problem in certain locales
                 Key: AS7-5774
                 URL: https://issues.jboss.org/browse/AS7-5774
             Project: Application Server 7
          Issue Type: Bug
          Components: EJB
    Affects Versions: 7.1.3.Final (EAP), 7.2.0.Alpha1
            Reporter: Cheng Fang
            Assignee: jaikiran pai


My ejb class contains this timeout method:
{code:java}
    @Schedule(dayOfWeek="Sun", persistent=false)
    private void sunday(Timer t) {
    }
{code}

When calling this timer.getNextTimeout(), it returned the Sunday after next Sunday (expecting next Sunday) when running on certain locales (it_IT, es_PE, etc).  It works as expected on other locales like en_US.  

I added -Duser.language=it -Duser.country=IT to JAVA_OPTS when starting standalone server to use that locale.

Seems to be a JDK bug.  There could be some differences how dates are calculated in different locales, but shouldn't be that big like skip one Sunday.  Today is Wed.

One workaround is "to use locale.English when instantiating GregorianCalendar."  I tried it on 7.2 with it_IT, and got the expected Sunday.

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