Can't directly open bzip2 file

[naoliv]

Trying to open the attached file I see this:

INFO: Open file: /tmp/m/links.osm.bz2 (799152 bytes)
ERROR: org.openstreetmap.josm.io.IllegalDataException: Illegal value for attribute 'version' on OSM primitive with ID 3522300102. Got c. (at line 44,136, column 175). 6,750,236 bytes have been read. Cause: org.openstreetmap.josm.io.OsmReader$OsmParsingException: Illegal value for attribute 'version' on OSM primitive with ID 3522300102. Got c. (at line 44,136, column 175). 6,750,236 bytes have been read. Cause: java.lang.NumberFormatException: For input string: "c"
org.openstreetmap.josm.io.IllegalDataException: Illegal value for attribute 'version' on OSM primitive with ID 3522300102. Got c. (at line 44,136, column 175). 6,750,236 bytes have been read
	at org.openstreetmap.josm.io.OsmReader.doParseDataSet(OsmReader.java:624)
	at org.openstreetmap.josm.io.OsmReader.parseDataSet(OsmReader.java:656)
	at org.openstreetmap.josm.io.OsmImporter.parseDataSet(OsmImporter.java:137)
	at org.openstreetmap.josm.io.OsmImporter.loadLayer(OsmImporter.java:127)
	at org.openstreetmap.josm.io.OsmImporter.importData(OsmImporter.java:98)
	at org.openstreetmap.josm.io.OsmImporter.importData(OsmImporter.java:75)
	at org.openstreetmap.josm.io.FileImporter.importDataHandleExceptions(FileImporter.java:85)
	at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.importData(OpenFileAction.java:333)
	at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.realRun(OpenFileAction.java:291)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:93)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:161)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.openstreetmap.josm.io.OsmReader$OsmParsingException: Illegal value for attribute 'version' on OSM primitive with ID 3522300102. Got c. (at line 44,136, column 175). 6,750,236 bytes have been read
	at org.openstreetmap.josm.io.OsmReader.throwException(OsmReader.java:88)
	at org.openstreetmap.josm.io.OsmReader.readCommon(OsmReader.java:459)
	at org.openstreetmap.josm.io.OsmReader.parseNode(OsmReader.java:206)
	at org.openstreetmap.josm.io.OsmReader.parseOsm(OsmReader.java:151)
	at org.openstreetmap.josm.io.OsmReader.parseRoot(OsmReader.java:113)
	at org.openstreetmap.josm.io.OsmReader.parse(OsmReader.java:99)
	at org.openstreetmap.josm.io.OsmReader.doParseDataSet(OsmReader.java:605)
	... 15 more
Caused by: java.lang.NumberFormatException: For input string: "c"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.lang.Integer.parseInt(Integer.java:492)
	at java.lang.Integer.parseInt(Integer.java:527)
	at org.openstreetmap.josm.io.OsmReader.readCommon(OsmReader.java:457)
	... 20 more

If I bunzip JOSM properly opens it.
The file was originally created with pbzip, then opened in JOSM, modified some data and saved (in JOSM too, directly as bz2).
The problem is happening now while trying to reopen it.

JOSM

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2015-08-18 01:32:15
Last Changed Author: simon04
Revision: 8670
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Relative URL: ^/trunk
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2015-08-17 19:13:17 +0200 (Mon, 17 Aug 2015)
Last Changed Rev: 8670

Identification: JOSM/1.5 (8670 en) Linux Debian GNU/Linux testing (stretch)
Memory Usage: 247 MB / 10206 MB (146 MB allocated, but free)
Java version: 1.7.0_75, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-7-jre:amd64-7u75-2.5.4-2
VM arguments: [-Dawt.useSystemAAFontSettings=on, -Dsun.java2d.opengl=true]

Plugins:
- Create_grid_of_ways (31241)
- OpeningHoursEditor (31241)
- PicLayer (31241)
- SimplifyArea (31241)
- buildings_tools (31361)
- conflation (0.1.7)
- contourmerge (1013)
- download_along (31241)
- editgpx (31241)
- geotools (31126)
- imagery_offset_db (31241)
- importvec (31241)
- jts (31126)
- log4j (31231)
- measurement (31289)
- merge-overlap (31241)
- opendata (31241)
- pbf (31241)
- pdfimport (31241)
- poly (31241)
- reverter (31241)
- scripting (30710)
- todo (29154)
- turnrestrictions (31241)
- undelete (31241)
- utilsplugin2 (31463)

Last errors/warnings:
- E: org.openstreetmap.josm.io.IllegalDataException: Illegal value for attribute 'version' on OSM primitive with ID 3522300102. Got c. (at line 44,136, column 175). 6,750,236 bytes have been read. Cause: org.openstreetmap.josm.io.OsmReader$OsmParsingException: Illegal value for attribute 'version' on OSM primitive with ID 3522300102. Got c. (at line 44,136, column 175). 6,750,236 bytes have been read. Cause: java.lang.NumberFormatException: For input string: "c"

[skyper]

Closed as duplicate of #11212.