will not upload changeset.

[anonymous]

What steps will reproduce the problem?

What is the expected result?

What happens instead?

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

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-06-30 19:13:42 +0200 (Tue, 30 Jun 2020)
Build-Date:2020-07-01 01:30:51
Revision:16731
Relative:URL: ^/trunk

Identification: JOSM/1.5 (16731 en_GB) Mac OS X 10.15.5
OS Build number: Mac OS X 10.15.5 (19F101)
Memory Usage: 683 MB / 1820 MB (129 MB allocated, but free)
Java version: 1.8.0_251-b08, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: Display 69731904 1680x1050 (scaling 1.0x1.0)
Maximum Screen Size: 1680x1050
Best cursor sizes: 16x16 -> 16x16, 32x32 -> 32x32
VM arguments: [-Djava.security.policy=file:<java.home>/lib/security/javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>/bin, -Djava.security.manager, -Djnlpx.origFilenameArg=${HOME}/Library/Application Support/Oracle/Java/Deployment/cache/6.0/56/1ee8cfb8-30dab5dc, -Djnlpx.remove=false, -Dsun.awt.warmup=true, -Djava.util.Arrays.useLegacyMergeSort=true, -Djnlpx.heapsize=NULL,2048m, -Dmacosx.jnlpx.dock.name=JOSM, -Dmacosx.jnlpx.dock.icon=${HOME}/Library/Application Support/Oracle/Java/Deployment/cache/6.0/25/4c122699-2ca0df7f.icns, -Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp , -Djnlpx.jvm="<java.home>/bin/java"]
Dataset consistency test: No problems found

Plugins:
+ FastDraw (35499)
+ ImproveWay (29)
+ Mapillary (1.5.23)
+ Tracer (35313)
+ alignways (35474)
+ apache-commons (35362)
+ apache-http (35092)
+ auto_tools (73)
+ buildings_tools (35500)
+ contourmerge (v0.1.6)
+ ejml (35313)
+ geotools (35169)
+ imagery_offset_db (35405)
+ javafx-osx (35458)
+ jaxb (35092)
+ jna (35092)
+ josm-batch-downloader (1.0.2)
+ jts (35122)
+ mapathoner (1.0.7)
+ opendata (35405)
+ pbf (35446)
+ pdfimport (35494)
+ splinex (35454)
+ terracer (35499)
+ undelete (35499)
+ utilsplugin2 (35487)
+ waydownloader (35405)
+ wikipedia (1.1.4)

Last errors/warnings:
- E: org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
- E: org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
- E: org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
- E: org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
- E: java.nio.file.FileSystemException: /not working.osm: Read-only file system
- E: java.nio.file.FileSystemException: /not working.osm: Read-only file system
- E: org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
- E: org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
- E: Handled by bug report queue: org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
- W: 1 problems occurred during upload/save


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-2 (57) of javawsApplicationThreadGroup
org.openstreetmap.josm.io.OsmTransferCanceledException: Operation canceled
	at org.openstreetmap.josm.io.OsmApi.sleepAndListen(OsmApi.java:599)
	at org.openstreetmap.josm.io.OsmApi.sendRequest(OsmApi.java:699)
	at org.openstreetmap.josm.io.OsmApi.sendRequest(OsmApi.java:639)
	at org.openstreetmap.josm.io.OsmApi.openChangeset(OsmApi.java:460)
	at org.openstreetmap.josm.io.OsmServerWriter.uploadOsm(OsmServerWriter.java:202)
	at org.openstreetmap.josm.gui.io.UploadLayerTask.run(UploadLayerTask.java:123)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

[skyper]

Replying to anonymous:

…
- E: java.nio.file.FileSystemException: /not working.osm: Read-only file system
- E: java.nio.file.FileSystemException: /not working.osm: Read-only file system
…

Are you, by chance, uploading the file working.osm?

[simon04]

Closed as duplicate of #7282.

[skyper]

How does handle JOSM read-only files. E.g. it can be uploaded but JOSM will not be able to write the occurring changes to the file.