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Henri Yandell updated LANG-916: ------------------------------- Fix Version/s: (was: 2.5) Commons Time? > CLONE - DateFormatUtils.format does not correctly change Calendar TimeZone in > certain situations > ------------------------------------------------------------------------------------------------ > > Key: LANG-916 > URL: https://issues.apache.org/jira/browse/LANG-916 > Project: Commons Lang > Issue Type: Bug > Components: lang.time.* > Affects Versions: 3.1 > Environment: Sun JDK 1.6.0_45 and 1.7.0_21 on Fedora 17 (Linux > 3.9.10-100.fc17.i686.PAE). > Reporter: Christian P. MOMON > Fix For: 2.7 > > > In LANG-538 issue, there is an unit test: > {noformat} > public void testFormat_CalendarIsoMsZulu() { > final String dateTime = "2009-10-16T16:42:16.000Z"; > GregorianCalendar cal = new > GregorianCalendar(TimeZone.getTimeZone("GMT-8")); > cal.clear(); > cal.set(2009, 9, 16, 8, 42, 16); > cal.getTime(); > FastDateFormat format = > FastDateFormat.getInstance("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", > TimeZone.getTimeZone("GMT")); > assertEquals("dateTime", dateTime, format.format(cal)); > } > {noformat} > This test passes successfully in lang-2.6 but failed in lang3-3.1: > {noformat} > org.junit.ComparisonFailure: dateTime expected:<2009-10-16T[16]:42:16.000Z> > but was:<2009-10-16T[08]:42:16.000Z> > {noformat} > Reproduced whit Sun Java version: 1.6.0_45 and 1.7.0_21 on Fedora 17 (Linux > 3.9.10-100.fc17.i686.PAE). > Moreover, I wrote another unit test showing that the timeZone parameter seems > to be ignored : > {noformat} > public void test() { > Calendar cal = > Calendar.getInstance(TimeZone.getTimeZone("Europe/Paris")); > cal.set(2009, 9, 16, 8, 42, 16); > // > System.out.println(DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.format(cal)); > System.out.println("long"); > System.out.println(DateFormatUtils.format(cal.getTimeInMillis(), > DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.getPattern(), > TimeZone.getDefault())); > System.out.println(DateFormatUtils.format(cal.getTimeInMillis(), > DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.getPattern(), > TimeZone.getTimeZone("Asia/Kolkata"))); > System.out.println(DateFormatUtils.format(cal.getTimeInMillis(), > DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.getPattern(), > TimeZone.getTimeZone("Europe/London"))); > System.out.println("calendar"); > System.out.println(DateFormatUtils.format(cal, > DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.getPattern(), > TimeZone.getDefault())); > System.out.println(DateFormatUtils.format(cal, > DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.getPattern(), > TimeZone.getTimeZone("Asia/Kolkata"))); > System.out.println(DateFormatUtils.format(cal, > DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.getPattern(), > TimeZone.getTimeZone("Europe/London"))); > System.out.println("calendar fast"); > > System.out.println(FastDateFormat.getInstance("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", > TimeZone.getTimeZone("Europe/Paris")).format(cal)); > > System.out.println(FastDateFormat.getInstance("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", > TimeZone.getTimeZone("Asia/Kolkata")).format(cal)); > > System.out.println(FastDateFormat.getInstance("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", > TimeZone.getTimeZone("Europe/London")).format(cal)); > } > {noformat} > Gives the following console logs: > {noformat} > long > 2009-10-16T08:42:16+02:00 > 2009-10-16T12:12:16+05:30 > 2009-10-16T07:42:16+01:00 > calendar > 2009-10-16T08:42:16+02:00 > 2009-10-16T08:42:16+02:00 > 2009-10-16T08:42:16+02:00 > calendar fast > 2009-10-16T08:42:16.975Z > 2009-10-16T08:42:16.975Z > 2009-10-16T08:42:16.975Z > {noformat} > When DateFormatUtils.format takes a long parameter, the time string is good. > When DateFormatUtils.format takes a Calendar parameter, the time string is > wrong, the timezone parameter is IGNORED. -- This message was sent by Atlassian JIRA (v6.1#6144)