Null Pointer Exception when loading GPX file

[sophom@…]

What steps will reproduce the problem?

1. Start josm
2. Try to load attached gpx file
3. get null pointer exception

What is the expected result?

To load the gpx file

What happens instead?

I get a popup saying

"Could not read file '2015-05-09_19-15_Sat.gpx'.
Error is:
null"

The console also display the following message

ERROR: java.lang.NullPointerException
java.lang.NullPointerException
        at org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer.<init>(MarkerLayer.java:104)
        at org.openstreetmap.josm.io.GpxImporter.loadLayers(GpxImporter.java:129)
        at org.openstreetmap.josm.io.GpxImporter.importData(GpxImporter.java:84)
        at org.openstreetmap.josm.io.FileImporter.importDataHandleExceptions(FileImporter.java:85)
        at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.importData(OpenFileAction.java:339)
        at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.realRun(OpenFileAction.java:297)
        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)

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

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2015-05-08 01:31:23
Last Changed Author: stoecker
Revision: 8339
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Relative URL: ^/trunk
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2015-05-07 17:30:43 +0200 (Thu, 07 May 2015)
Last Changed Rev: 8339

Identification: JOSM/1.5 (8339 en) Linux Ubuntu 12.04.5 LTS
Memory Usage: 440 MB / 1299 MB (358 MB allocated, but free)
Java version: 1.7.0_75, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-7-jre:amd64-7u75-2.5.4-1~precise1
VM arguments: [-Djosm.restart=true, -Djava.net.useSystemProxies=true]
Program arguments: [1941025.gpx.gz]

Plugins:
- HouseNumberTaggingTool (30892)
- buildings_tools (31120)
- turnrestrictions (31034)

Last errors/warnings:
- E: java.lang.NullPointerException
- E: java.lang.NullPointerException

[Sopho <sophom@…>]

This is the same as the other file but uploaded and then downloaded from the osm website

[Don-vip]

In 8354/josm:

fix #11432 - robustness against invalid GPX files