Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader (Ubuntu, 8u40)

[anonymous]

What steps will reproduce the problem?

1. Starting JOSM (v7777 or v7798)
2. Download OSM data
3. Enable bing sat images

What is the expected result?

Bing sat images are shown.

What happens instead?

Exception dialog pops up.

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

The problem also occurs in the currently latest version 7798.

Revision: 7777
Repository Root: http://josm.openstreetmap.de/svn
Relative URL: ^/trunk
Last Changed Author: Don-vip
Last Changed Date: 2014-12-09 18:14:49 +0100 (Tue, 09 Dec 2014)
Build-Date: 2014-12-09 17:17:36
URL: http://josm.openstreetmap.de/svn/trunk
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last Changed Rev: 7777

Identification: JOSM/1.5 (7777 en) Linux Ubuntu 14.10
Memory Usage: 372 MB / 1707 MB (209 MB allocated, but free)
Java version: 1.8.0_40-internal, Oracle Corporation, OpenJDK 64-Bit Server VM
Dataset consistency test: No problems found


Last errors/warnings:
- E: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader
- E: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader
- E: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader
- E: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader
- E: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader

java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader
	at com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi.createReaderInstance(JPEGImageReaderSpi.java:85)
	at javax.imageio.spi.ImageReaderSpi.createReaderInstance(ImageReaderSpi.java:320)
	at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:529)
	at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:513)
	at javax.imageio.ImageIO.read(ImageIO.java:1443)
	at javax.imageio.ImageIO.read(ImageIO.java:1352)
	at org.openstreetmap.gui.jmapviewer.Tile.loadImage(Tile.java:169)
	at org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader$FileLoadJob.loadOrUpdateTile(OsmFileCacheTileLoader.java:239)
	at org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader$FileLoadJob.run(OsmFileCacheTileLoader.java:175)
	at org.openstreetmap.gui.jmapviewer.JobDispatcher$JobThread.executeJobs(JobDispatcher.java:167)
	at org.openstreetmap.gui.jmapviewer.JobDispatcher$JobThread.run(JobDispatcher.java:134)

[Don-vip]

Closed as duplicate of #10603.
Please don't use development builds of Java 8u40, they're not finished yet, and apparently full of bugs.