Michael Osipov created LANG-1002:
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Summary: Several predefined ISO FastDateFormats in DateFormatUtils
are incorrect
Key: LANG-1002
URL: https://issues.apache.org/jira/browse/LANG-1002
Project: Commons Lang
Issue Type: Bug
Components: lang.time.*
Affects Versions: 3.3.2
Reporter: Michael Osipov
Formats {{ISO_TIME_FORMAT}}, {{ISO_TIME_TIME_ZONE_FORMAT}} prepend a {{T}} but
this is not correct. Sole time is never prepended by defintion. {{T}} is used
only when date *and* time are given.
The Javadocs of {{ISO_TIME_NO_T_FORMAT}}, {{ISO_TIME_NO_T_FORMAT}} are in
correct too because they say: "This pattern does not comply with the formal
ISO8601 specification as the standard requires the 'T' prefix for times."
You might want to read [Markus Kuhn's
reference|https://www.cl.cam.ac.uk/~mgk25/iso-time.html#time] on that.
A solution would be remove the first two and rename the second two by dropping
the {{NO_T}} in the name.
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