ical4j
UTC vs Etc/UTC - CalendarBuilder Exception (java.time.DateTimeException: Unknown timezone identifier [UTC])
Describe the bug When using a Calendar with Timezone UTC and convert to String and back a Exception occurs. java.time.DateTimeException: Unknown timezone identifier [UTC] Hint: see TimeZoneRegistryImpl.getZoneId() The contained zoneIds (Field) does not contain a Value for UTC.
To Reproduce https://github.com/KaiSuchomel/ical4j/commit/b812997403950c47f3f8f408feaf4a73227697af I have created a Test(UTCCalendarEqualsTest) with UTC and Etc/UTC Calendars. The UTC Test is failing with the Exception.
Expected behavior UTC Test should be handled like Etc/UTC
Environment (please complete the following information):
- OS: MacOs
- Java Version 21
- iCal4j 4.0.0-rc6-pre
UTC is defined as an alias of Etc/UTC, but I think there was an issue with how the aliases are resolved. Have committed a fix now. It's included in release rc6.
@benfortuna My Test is still failing. See Commit (https://github.com/KaiSuchomel/ical4j/commit/1220dae2c236fe5d799db9fc66377759fbe2ef24) for the Testcase.