Hi list,
I investigated a problem with Geoserver integrated Freemarker Templates
using Eclipse Adoptium: 21.0.8 (OpenJDK 64-Bit Server VM)
in my freemarker Template I had
<#setting locale="en_US">
<#setting boolean_format="0,1">
<#setting date_format="dd.MM.yyyy">
<#setting datetime_format="dd.MM.yyyy HH:mm">
<#setting time_zone="Europe/Berlin">
and
<td><b>Datum Uhrzeit:</b></td>
<td><#if feature.datum.value != ''> ${feature.datum.value?datetime("MMM
dd, yyyy, h:mm:ss a")} Uhr <#else> keine Angabe</#if></td>
This gave "Unparseable date: "Mar 30, 2024, 1:12:27 PM"" on
getFeatureInfo request.
Solution: copy the unparseable date into your freemarker template text
editor and use the "Narrow No-Break Space" between h:mm:ss and a.
see: https://bugs.openjdk.org/browse/JDK-8324308
ADDITIONAL SYSTEM INFORMATION :
Occurs in JDK 20, 21 and 22, but not in older ones like JDK 18 and 19.
A DESCRIPTION OF THE PROBLEM :
The US DateTimeFormatter uses a "Narrow No-Break Space" since JDK 20.
This special character is used instead of a normal space before "AM" and
"PM". Especially for parsing a users input that is an serious problem,
because users can not type this character on a normal keyboard. They
also could not see the difference, so an error message with an example
of an correct formatted DateTime could not help.
REGRESSION : Last worked in version 19
--
Dipl.Ing. Stefan Overkamp
https://mapstore.geodaten-velbert.de
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