crash on lost Internet connection

[mkoniecz]

It happened immediately after power loss and disappering Internet connection "W: org.openstreetmap.josm.io.OsmTransferException: Could not connect to the OSM server. Please check your internet connection.. Cause: java.net.UnknownHostException: api.openstreetmap.org" seems to confirm.

Revision: 8362
Repository Root: http://josm.openstreetmap.de/svn
Relative URL: ^/trunk
Last Changed Author: Don-vip
Last Changed Date: 2015-05-16 02:41:56 +0200 (Sat, 16 May 2015)
Build-Date: 2015-05-16 01:31:09
URL: http://josm.openstreetmap.de/svn/trunk
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last Changed Rev: 8362

Identification: JOSM/1.5 (8362 en) Linux Ubuntu 14.04.2 LTS
Memory Usage: 454 MB / 889 MB (292 MB allocated, but free)
Java version: 1.8.0_45, Oracle Corporation, Java HotSpot(TM) Server VM
Dataset consistency test: No problems found

Plugins:
- FastDraw (30892)
- OpeningHoursEditor (30962)
- PicLayer (31114)
- buildings_tools (31120)
- continuosDownload (1413902943)
- geotools (31068)
- jts (31002)
- log4j (30892)
- measurement (30892)
- undelete (30892)
- wikipedia (31114)

Last errors/warnings:
- E: java.lang.ClassCastException: sun.awt.image.BufImgSurfaceData cannot be cast to sun.java2d.xr.XRSurfaceData
- E: java.net.UnknownHostException: api.openstreetmap.org
- W: org.openstreetmap.josm.io.OsmTransferException: Could not connect to the OSM server. Please check your internet connection.. Cause: java.net.UnknownHostException: api.openstreetmap.org
- E: java.net.UnknownHostException: api.openstreetmap.org
- W: org.openstreetmap.josm.io.OsmTransferException: Could not connect to the OSM server. Please check your internet connection.. Cause: java.net.UnknownHostException: api.openstreetmap.org

java.lang.ClassCastException: sun.awt.image.BufImgSurfaceData cannot be cast to sun.java2d.xr.XRSurfaceData
	at sun.java2d.xr.XRPMBlitLoops.cacheToTmpSurface(XRPMBlitLoops.java:145)
	at sun.java2d.xr.XrSwToPMBlit.Blit(XRPMBlitLoops.java:353)
	at sun.java2d.SurfaceDataProxy.updateSurfaceData(SurfaceDataProxy.java:498)
	at sun.java2d.SurfaceDataProxy.replaceData(SurfaceDataProxy.java:455)
	at sun.java2d.SurfaceData.getSourceSurfaceData(SurfaceData.java:233)
	at sun.java2d.pipe.DrawImage.renderImageCopy(DrawImage.java:566)
	at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:67)
	at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:1014)
	at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3318)
	at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3296)
	at javax.swing.ImageIcon.paintIcon(ImageIcon.java:425)
	at javax.swing.plaf.basic.BasicButtonUI.paintIcon(BasicButtonUI.java:292)
	at javax.swing.plaf.basic.BasicButtonUI.paint(BasicButtonUI.java:216)
	at javax.swing.plaf.ComponentUI.update(ComponentUI.java:161)
	at javax.swing.plaf.metal.MetalButtonUI.update(MetalButtonUI.java:150)
	at javax.swing.JComponent.paintComponent(JComponent.java:780)
	at javax.swing.JComponent.paint(JComponent.java:1056)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paint(JComponent.java:1065)
	at javax.swing.JLayeredPane.paint(JLayeredPane.java:586)
	at javax.swing.JComponent.paintChildren(JComponent.java:889)
	at javax.swing.JComponent.paintToOffscreen(JComponent.java:5226)
	at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:290)
	at javax.swing.RepaintManager.paint(RepaintManager.java:1265)
	at javax.swing.JComponent.paint(JComponent.java:1042)
	at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39)
	at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:79)
	at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:116)
	at java.awt.Container.paint(Container.java:1973)
	at java.awt.Window.paint(Window.java:3912)
	at javax.swing.RepaintManager$4.run(RepaintManager.java:835)
	at javax.swing.RepaintManager$4.run(RepaintManager.java:807)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:807)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:782)
	at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:731)
	at javax.swing.RepaintManager.access$1300(RepaintManager.java:64)
	at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1720)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

[Don-vip]

Closed as duplicate of #11002.