SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found

[figura.miloslav@…]

What steps will reproduce the problem?

1. Hello. If I have downloaded latest version of JOSM Editor, maps from server freemap.sk isn´t working.

"Chyba pri sťahovaní dlaždíc: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found..
No subject alternative DNS name matching tile.freemap.sk found.

Web pages freemap.sk is working corect.

What is the expected result?

What happens instead?

Please provide any additional information below. Attach a screenshot if possible.

Revision:19439
Build-Date:2025-09-01 09:22:37

Identification: JOSM/1.5 (19439 sk) Windows 11 64-Bit
OS Build number: Windows 10 Pro 25H2 (26200)
Memory Usage: 544 MB / 24416 MB (324 MB allocated, but free)
Java version: 21.0.8+9-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1600x900x32bpp@60Hz (scaling 1.00×1.00)
Maximum Screen Size: 1600×900
Best cursor sizes: 16×16→32×32, 32×32→32×32
System property file.encoding: UTF-8
System property sun.jnu.encoding: Cp1250
Locale info: sk_SK
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djpackage.app-version=1.5.19439, -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 (Debug).exe]

Plugins:
+ RovasConnector (0.1.4-SNAPSHOT)

Last errors/warnings:
- 00050.729 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00050.729 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00050.730 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00050.731 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00051.404 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00051.405 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00051.405 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00051.406 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00051.407 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.
- 00051.407 W: javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching tile.freemap.sk found.. Príčina: java.security.cert.CertificateException: No subject alternative DNS name matching tile.freemap.sk found.

[gaben]

I tried freemap.sk ski and car maps, they are working. Probably it was a temporary cert issue.