Hang after using level auto-filter (thread AWT-EventQueue- uses 100% CPU)

[mikedld]

What steps will reproduce the problem?

1. Open the attached file
2. in the top-left view corner, switch to level [17] auto-filter and select level -3

What is the expected result?

The view is filtered to only show features from level -3.

What happens instead?

The view is seemingly filtered (not sure if partially) but the app becomes unresponsive right after, the thread "AWT-EventQueue-" is consuming 100% CPU. Waiting for several hours doesn't help, killing the process and recovering from the backup is the only way. Running with --debug doesn't yield any output after opening the file and before the hang.

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2025-08-31 14:19:57 +0200 (Sun, 31 Aug 2025)
Revision:19439
Build-Date:2025-09-02 01:30:58
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (19439 en) Linux Gentoo Linux
Memory Usage: 1024 MB / 4096 MB (586 MB allocated, but free)
Java version: 21.0.8+9-LTS, Eclipse Adoptium, OpenJDK 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.gtk.GTKLookAndFeel
Screen: :0.0 1920x1200x[Multi depth]@60Hz (scaling 1.00×1.00)
Maximum Screen Size: 1920×1200
Best cursor sizes: 16×16→16×16, 32×32→32×32
Environment variable LANG: es_ES.utf8
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: en_ES
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djava.library.path=/lib64, --module-path=${HOME}/.local/javafx-sdk-21.0.3/lib, --add-modules=javafx.base,javafx.controls,javafx.graphics,javafx.media,javafx.swing, -Dswing.aatext=TRUE, -Dawt.useSystemAAFontSettings=on]

Plugins:
+ MapRoulette (75)
+ Mapillary (1813)
+ MicrosoftStreetside (36438)
+ PicLayer (269)
+ PolygonCutOut (v0.7.3)
+ ShapeTools (e2b1469)
+ apache-commons (36438)
+ apache-http (36438)
+ buildings_tools (36438)
+ ejml (36438)
+ geotools (36438)
+ imagery_offset_db (36438)
+ importvec (36438)
+ indoorhelper (262)
+ jackson (36438)
+ javafx (36438)
+ jaxb (36438)
+ jna (36438)
+ jogl (1.2.3)
+ jts (36438)
+ log4j (36438)
+ lwjgl (36438)
+ lwjgl-unixoid (36438)
+ measurement (36438)
+ opendata (36440)
+ openqa (115)
+ reltoolbox (36438)
+ reverter (36447)
+ scripting (v0.3.5)
+ splinex (36438)
+ undelete (36438)
+ utilsplugin2 (36438)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/Addr2&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/BuildingPreset&zip=1

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Modified&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Maxspeed&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/ParkingLanes&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/SidewalksAndFootways&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/NewHighwayColors&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransportV2&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/Direction&zip=1
- https://github.com/bastik/mapcss-tools/raw/osm/mapnik2mapcss/osm-results/mapnik.zip
- https://josm.openstreetmap.de/josmfile?page=Styles/HighwayAreas&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/CyclewaysStylingBNA&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/MaxspeedIcons&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_and_Road_Attributes&zip=1
+ ${HOME}/Repo/osm/<user.name>-osm/pt/style.mapcss
- <josm.userdata>/plugins/indoorhelper/resources/sit.mapcss

Validator rules:
- https://josm.openstreetmap.de/josmfile?page=Rules/Portuguese-Errors-PT2&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/Portuguese-Specific&zip=1

[mikedld]

Simply downloading the area 38.7655783,-9.1023713,38.7701289,-9.0949792 and switching to level -3 leads to the same result.