Daniel Migowski created LANG-1786:
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Summary: A lot of warnings on the console when using
FastDateFormat with JDK25
Key: LANG-1786
URL: https://issues.apache.org/jira/browse/LANG-1786
Project: Commons Lang
Issue Type: Bug
Components: lang.time.*
Affects Versions: 3.19.0
Reporter: Daniel Migowski
Fix For: Patch Needed
When using an instance of FastDateFormat with e.g.
{code:java}
FastDateFormat.getInstance( "yyyy-MM-dd'T'HH:mm:ssZ" );{code}
the timezone database of the commons.lang package iterates throught all
timezones and adds them to the local database. This sadly calls
{code:java}
java.util.TimeZone.getTimeZone(String){code}
with a bunch of timezone strings that are considered deprecated with the new
JDK25 (or something between 18 and 25, didn't check that), and each of these
timezone strings leads to a message like
{noformat}
WARNING: Use of the three-letter time zone ID "ACT" is deprecated and it will
be removed in a future release{noformat}
printed directly from the getTimeZone function to system.err!
This is actually really annoying. The timezone strings which are deprecated can
be found in
{code:java}
java.time.ZoneId.SHORT_IDS.{code}
My suggestion is to check in
{code:java}
org.apache.commons.lang3.time.FastDateParser.TimeZoneStrategy.TimeZoneStrategy{code}
if the JDK version 25 is running and then to filter the values from SHORT_IDS
to be recognized. SHORT_IDS should be copied into commons.lang to make this
still work with older JDKs.
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