panoramax sometimes hangs the JOSM

[mnalis]

What steps will reproduce the problem?

1. I was solving notes and looking at Panoraamax images... I might've probably doubleclicked or something on images

What is the expected result?

Just a single panoramax image is fetched and displayed (at worst)

What happens instead?

It seems that panoramax decides to download tons of images (whole sequence) all by itself; and completely freezes the JOSM UI in the meantime (i.e. I cannot close panoramax picture window, or upload, or click any button) for minutes.

Meanwhile, in the console, I see it downloads tons of images automatically (every second or so a new one). Luckily, after minute and a half of complete unresponsiveness, it hits OOM which terminated the downloads and allowed JOSM UI to function again

2026-05-28 05:18:39.128 INFO: POST https://api.openstreetmap.org/api/0.6/notes/4492965/close?text=removed%2C+not+visible+on+Panoramax+either+anymore (0 B) ...
2026-05-28 05:18:39.393 INFO: POST https://api.openstreetmap.org/api/0.6/notes/4492965/close?text=removed%2C+not+visible+on+Panoramax+either+anymore -> HTTP/1.1 200 (204 ms; 752 B)
2026-05-28 05:18:39.393 INFO: OK
2026-05-28 05:19:10.160 INFO: HEAD https://api.panoramax.xyz/api/live -> HTTP/1.1 200 (110 ms)
2026-05-28 05:19:10.935 INFO: GET https://api.panoramax.xyz/api/collections/14ea2dff-2d5f-4134-9a9c-0b7ff34d87aa/items -> HTTP/1.1 200 (674 ms)
2026-05-28 05:19:11.809 INFO: GET https://api.panoramax.xyz/api/collections/14ea2dff-2d5f-4134-9a9c-0b7ff34d87aa/items?page=ts%3E%272025-03-27T16%3A02%3A08%2B00%3A00%27&limit=100 -> HTTP/1.1 200 (673 ms)
2026-05-28 05:19:12.645 INFO: GET https://api.panoramax.xyz/api/collections/14ea2dff-2d5f-4134-9a9c-0b7ff34d87aa/items?page=ts%3E%272025-04-05T13%3A51%3A38%2B00%3A00%27&limit=100 -> HTTP/1.1 200 (670 ms)
2026-05-28 05:19:13.552 INFO: GET https://api.panoramax.xyz/api/collections/14ea2dff-2d5f-4134-9a9c-0b7ff34d87aa/items?page=ts%3E%272025-04-06T12%3A55%3A30%2B00%3A00%27&limit=100 -> HTTP/1.1 200 (745 ms)
2026-05-28 05:19:14.442 INFO: GET https://api.panoramax.xyz/api/collections/14ea2dff-2d5f-4134-9a9c-0b7ff34d87aa/items?page=ts%3E%272025-04-07T10%3A09%3A47%2B00%3A00%27&limit=100 -> HTTP/1.1 200 (674 ms)

[... list heavily trimmed, as Track antispam is refusing the ticket for having too many URLs...]

2026-05-28 05:20:49.855 INFO: GET https://api.panoramax.xyz/api/collections/14ea2dff-2d5f-4134-9a9c-0b7ff34d87aa/items?page=ts%3E%272025-08-13T08%3A19%3A41.578%2B00%3A00%27&limit=100 -> HTTP/1.1 200 (404 ms)
2026-05-28 05:20:51.286 INFO: GET https://api.panoramax.xyz/api/collections/14ea2dff-2d5f-4134-9a9c-0b7ff34d87aa/items?page=ts%3E%272025-08-13T23%3A03%3A19.196%2B00%3A00%27&limit=100 -> HTTP/1.1 200 (392 ms)
2026-05-28 05:21:04.218 SEVERE: Handled by bug report queue: java.lang.OutOfMemoryError: GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
        at java.base/jdk.internal.org.objectweb.asm.SymbolTable.addConstantUtf8(SymbolTable.java:807)
        at java.base/jdk.internal.org.objectweb.asm.MethodWriter.computeMethodInfoSize(MethodWriter.java:2122)
        at java.base/jdk.internal.org.objectweb.asm.ClassWriter.toByteArray(ClassWriter.java:543)
        at java.base/java.lang.invoke.InvokerBytecodeGenerator.toByteArray(InvokerBytecodeGenerator.java:879)
        at java.base/java.lang.invoke.InvokerBytecodeGenerator.generateCustomizedCodeBytes(InvokerBytecodeGenerator.java:758)
        at java.base/java.lang.invoke.InvokerBytecodeGenerator.generateCustomizedCode(InvokerBytecodeGenerator.java:712)
        at java.base/java.lang.invoke.LambdaForm.compileToBytecode(LambdaForm.java:849)
        at java.base/java.lang.invoke.LambdaForm.prepare(LambdaForm.java:807)
        at java.base/java.lang.invoke.MethodHandle.<init>(MethodHandle.java:482)
        at java.base/java.lang.invoke.BoundMethodHandle.<init>(BoundMethodHandle.java:52)
        at java.base/java.lang.invoke.BoundMethodHandle$Species_LL.<init>(java/lang/invoke/BoundMethodHandle$Species_LL)
        at java.base/java.lang.invoke.BoundMethodHandle$Species_LL.make(java/lang/invoke/BoundMethodHandle$Species_LL)
        at java.base/java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(DirectMethodHandle$Holder)
        at java.base/java.lang.invoke.BoundMethodHandle$Species_L.copyWithExtendL(BoundMethodHandle.java:236)
        at java.base/java.lang.invoke.MethodHandleImpl.makePairwiseConvertByEditor(MethodHandleImpl.java:333)
        at java.base/java.lang.invoke.MethodHandleImpl.makePairwiseConvert(MethodHandleImpl.java:265)
        at java.base/java.lang.invoke.MethodHandleImpl.makePairwiseConvert(MethodHandleImpl.java:382)
        at java.base/java.lang.invoke.MethodHandle.asTypeUncached(MethodHandle.java:905)
        at java.base/java.lang.invoke.MethodHandle.asType(MethodHandle.java:870)
        at java.base/java.lang.invoke.MethodHandle.asSpreader(MethodHandle.java:1113)
        at java.base/java.lang.invoke.MethodHandle.asSpreader(MethodHandle.java:1069)
        at java.base/jdk.internal.reflect.MethodHandleAccessorFactory.newConstructorAccessor(MethodHandleAccessorFactory.java:113)
        at java.base/jdk.internal.reflect.ReflectionFactory.newConstructorAccessor(ReflectionFactory.java:200)
        at java.base/java.lang.reflect.Constructor.acquireConstructorAccessor(Constructor.java:549)
        at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
        at org.openstreetmap.josm.plugins.panoramax.PanoramaxDeserializer.parseObject(PanoramaxDeserializer.java:91)
        at org.openstreetmap.josm.plugins.panoramax.PanoramaxDeserializer.parse(PanoramaxDeserializer.java:130)
        at org.openstreetmap.josm.plugins.panoramax.PanoramaxDeserializer.lambda$parseImage$0(PanoramaxDeserializer.java:53)
        at org.openstreetmap.josm.plugins.panoramax.PanoramaxDeserializer$$Lambda/0x00007fc142cbe668.apply(Unknown Source)
        at java.base/java.util.stream.Collectors.lambda$uniqKeysMapAccumulator$1(Collectors.java:180)
        at java.base/java.util.stream.Collectors$$Lambda/0x00007fc1424fd448.accept(Unknown Source)

2026-05-28 05:21:04.474 INFO: GET https://api.openstreetmap.org/api/0.6/user/details (get number of unread messages) -> HTTP/1.1 200 (239 ms; 943 B)
2026-05-28 05:22:32.059 INFO: POST https://josm.openstreetmap.de/josmticket (8.39 kB) ...
2026-05-28 05:22:42.453 INFO: POST https://josm.openstreetmap.de/josmticket -> HTTP/1.1 200 (155 ms)
2026-05-28 05:22:42.489 INFO: Opening URL: https://josm.openstreetmap.de/josmticket?pdata_stored=7773fa9b7322b666556bb84b
2026-05-28 05:22:42.489 WARNING: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
        at java.desktop/java.awt.Desktop.checkActionSupport(Desktop.java:381)
        at java.desktop/java.awt.Desktop.browse(Desktop.java:531)
        at org.openstreetmap.josm.tools.PlatformHookUnixoid.openUrl(PlatformHookUnixoid.java:77)
        at org.openstreetmap.josm.tools.OpenBrowser.displayUrl(OpenBrowser.java:41)
        at org.openstreetmap.josm.tools.OpenBrowser.displayUrl(OpenBrowser.java:66)
        at org.openstreetmap.josm.gui.bugreport.DefaultBugReportSendingHandler.sendingBugReport(DefaultBugReportSendingHandler.java:30)
        at org.openstreetmap.josm.tools.bugreport.BugReportSender.run(BugReportSender.java:96)

2026-05-28 05:22:52.472 INFO: exporting notes to file: /home/mnalis/.local/share/JOSM/autosave/Notes_20260528_052252471.osn

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2026-03-28 20:28:41 +0100 (Sat, 28 Mar 2026)
Revision:19555
Build-Date:2026-03-29 01:30:57
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (19555 en) Linux Debian GNU/Linux 13 (trixie)
Memory Usage: 2987 MB / 2987 MB (165 MB allocated, but free)
Java version: 21.0.11+10-1-deb13u2-Debian, Debian, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 1920x1080x[Multi depth]@60Hz (scaling 1.00×1.00)
Maximum Screen Size: 1920×1080
Best cursor sizes: 16×16→16×16, 32×32→32×32
Environment variable LANG: en_US.UTF-8
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: en_US
Numbers with default locale: 1234567890 -> 1234567890
Desktop environment: ICEWM
Java package: openjdk-21-jre:amd64-21.0.11+10-1~deb13u2
libcommons-logging-java: libcommons-logging-java:all-1.3.0-2
fonts-noto: fonts-noto:all-20201225-2
VM arguments: [-Dsun.java2d.opengl=true, --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]
Dataset consistency test: No problems found

Plugins:
+ DirectUpload (36474)
+ FixAddresses (36474)
+ ImageWayPoint (36474)
+ Mapillary (1819)
+ PicLayer (273)
+ Review.Changes (1.1.1)
+ apache-commons (36474)
+ apache-http (36474)
+ buildings_tools (36474)
+ conflation (279)
+ ejml (36474)
+ geotools (36474)
+ imagery_offset_db (36474)
+ jackson (36474)
+ jaxb (36474)
+ jna (36474)
+ jts (36474)
+ libphonenumber (9.0.31)
+ log4j (36474)
+ mbtiles (v2.8.1)
+ opendata (36474)
+ openqa (116)
+ osmwiki-dataitem (0.0.8)
+ panoramax (8)
+ phonenumber (1.2.0)
+ pmtiles (36474)
+ pt_assistant (682)
+ reverter (36474)
+ todo (159)
+ turnrestrictions (36474)
+ undelete (36474)
+ urbaneye3d (2.2.2)
+ utilsplugin2 (36497)
+ wikipedia (448)

Tagging presets:
+ https://raw.githubusercontent.com/OpenNauticalChart/josm/master/INT-1-preset.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/Healthcare&zip=1
+ https://<user.name>.com/prezentacije/OpenStreetMap/josm-preset.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/Xmas&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/GuidepostDirectionsAndDestinations&zip=1
+ https://cdn.jsdelivr.net/npm/name-suggestion-index@latest/dist/presets/nsi-josm-presets.min.xml

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransport&zip=1
+ http://bezdomni.net/Styles_HighlightedCapesBays-style.mapcss
+ https://josm.openstreetmap.de/josmfile?page=Styles/ColorWays&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Streets&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Modified&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/CyclewaysStylingBNA&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/SidewalksPlus&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/BuildingColors&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/FixmeAndNote&zip=1
+ ${HOME}/tmp/g/1/openaddresses-HR.mapcss

Validator rules:
+ https://josm.openstreetmap.de/josmfile?page=Rules/KeepRight&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/QAToolInspiredValidations&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/OSMLint&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/MissingWeekdays&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/SourceObjectTag&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/IndoorRules&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/Pictures&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/MissingOpeningHours&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/CheckDate&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/FacebookWebsite&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/DuplicateAttributes&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/MissingMain&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/OldCovid&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/NotCheck&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/ThisOrThat&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/ChargeRules&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/InvalidWebsiteProtocol&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/AddrFullWarning&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/AddrRelationWarning&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/CountryCodeCheck&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/Geology&zip=1
+ https://raw.githubusercontent.com/stefan-a-bauer/josm-validators/master/mtb.validator.mapcss
+ https://github.com/Jungle-Bus/transport_mapcss/raw/gh-pages/transport.validator.zip
+ https://github.com/open-energy-transition/validate-my-grid/raw/refs/heads/gh-pages/power.validator.zip
+ https://josm.openstreetmap.de/josmfile?page=Rules/PublicTransportGtfs&zip=1
+ https://raw.githubusercontent.com/OpenNauticalChart/josm/master/Seamark.validator.mapcss
+ https://josm.openstreetmap.de/josmfile?page=Rules/UnresolvedFIXMEs&zip=1

Last errors/warnings:
- 25003.015 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25020.458 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25310.199 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25313.394 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25352.047 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25394.416 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25540.564 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25779.862 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 25782.502 W: java.lang.UnsupportedOperationException: The BROWSE action is not supported on the current platform!
- 26003.801 E: Handled by bug report queue: java.lang.OutOfMemoryError: GC overhead limit exceeded

[mnalis]

out-of-memory window