id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
24996	Terracer plugin fails to install/download	xplorer765@…	xplorer765@…	"==== What steps will reproduce the problem?
1. Open JOSM
2. Go to Edit → Preferences → Plugins
3. Search for ""terracer"" and click download plugin
4. Update plugin

==== What is the expected result?
The terracer plugin should install successfully and appear in the plugin list.

==== What happens instead?
The plugin fails to download/install. An error occurs during installation.


{{{
Revision:19613
Build-Date:2026-08-12 01:42:58

Identification: JOSM/1.5 (19613 en) Windows 11 64-Bit
OS Build number: Windows 10 Home Single Language 26H2 (26300)
Memory Usage: 428 MB / 6020 MB (157 MB allocated, but free)
Java version: 21.0.12+8-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1920x1080x32bpp@60Hz (scaling 1.25×1.25)
Maximum Screen Size: 1920×1080
Best cursor sizes: 16×16→32×32, 32×32→32×32
System property file.encoding: UTF-8
System property sun.jnu.encoding: Cp1252
Locale info: en_IN
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djpackage.app-version=1.5.19613, -XX:MaxRAMPercentage=75.0, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, --add-exports=java.base/sun.security.action=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED, --add-opens=java.base/java.lang=ALL-UNNAMED, --add-opens=java.base/java.nio=ALL-UNNAMED, --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED, --add-opens=java.base/jdk.internal.ref=ALL-UNNAMED, --add-opens=java.desktop/javax.imageio.spi=ALL-UNNAMED, --add-opens=java.desktop/javax.swing.text.html=ALL-UNNAMED, --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED, -Djpackage.app-path=%UserProfile%\AppData\Local\JOSM\JOSM.exe]
Dataset consistency test: No problems found

Plugins:
+ FastDraw (36503)
+ buildings_tools (36503)
+ markseen (184)
+ utilsplugin2 (36503)

Last errors/warnings:
- 00000.501 W: extended font config - overriding 'filename.Malgun_Gothic=malgun.ttf' with 'MALGUN.TTF'
- 00000.503 W: extended font config - overriding 'filename.Myanmar_Text=mmrtext.ttf' with 'MMRTEXT.TTF'
- 00000.504 W: extended font config - overriding 'filename.Mongolian_Baiti=monbaiti.ttf' with 'MONBAITI.TTF'
- 00001.085 E: java.security.KeyStoreException: Windows-ROOT not found. Cause: java.security.NoSuchAlgorithmException: Windows-ROOT KeyStore not available
- 00090.917 W: Missing plugin main version in plugin mapwithai
- 00100.351 W: Missing plugin main version in plugin mapwithai
}}}
"	defect	needinfo	normal		Plugin terracer	tested		template_report