WebView throws Exceptions on some web pages

Exceptions on loading following pages in a WebView using "webEngine.load("insertURLHere")":

http://soliver.de
    - java.lang.RuntimeException: Unsupported BMP image
    - WARNING: Unexpected error, java.io.EOFException

http://vodafone.de
    - java.lang.RuntimeException: Unsupported BMP image


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Exception in thread "JavaFX Application Thread" java.lang.RuntimeException: Unsupported BMP image: only 24 bit uncompressed BMP`s is supported
at com.sun.javafx.iio.bmp.BitmapInfoHeader.validate(BMPImageLoaderFactory.java:106)
at com.sun.javafx.iio.bmp.BitmapInfoHeader.<init>(BMPImageLoaderFactory.java:101)
at com.sun.javafx.iio.bmp.BMPImageLoader.readHeader(BMPImageLoaderFactory.java:139)
at com.sun.javafx.iio.bmp.BMPImageLoader.<init>(BMPImageLoaderFactory.java:131)
at com.sun.javafx.iio.bmp.BMPImageLoaderFactory.createImageLoader(BMPImageLoaderFactory.java:218)
at com.sun.javafx.iio.ImageStorage.getLoaderBySignature(ImageStorage.java:361)
at com.sun.javafx.iio.ImageStorage.loadAll(ImageStorage.java:237)
at com.sun.webpane.sg.prism.WCImgDecoderImpl.loadFrames(WCImgDecoderImpl.java:137)
at com.sun.webpane.sg.prism.WCImgDecoderImpl.loadFrames(WCImgDecoderImpl.java:150)
at com.sun.webpane.sg.prism.WCImgDecoderImpl.addImageData(WCImgDecoderImpl.java:106)
at com.sun.webpane.webkit.network.URLLoader.twkDidFinishLoading(Native Method)
at com.sun.webpane.webkit.network.URLLoader.access$1300(URLLoader.java:44)
at com.sun.webpane.webkit.network.URLLoader$6.run(URLLoader.java:691)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:76)
at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at com.sun.glass.ui.gtk.GtkApplication$3$1.run(GtkApplication.java:82)
at java.lang.Thread.run(Thread.java:722)
Mar 05, 2013 10:53:46 AM com.sun.webpane.webkit.network.URLLoader doRun
WARNING: Unexpected error
java.io.EOFException
at java.util.zip.GZIPInputStream.readUByte(GZIPInputStream.java:264)
at java.util.zip.GZIPInputStream.readUShort(GZIPInputStream.java:254)
at java.util.zip.GZIPInputStream.readHeader(GZIPInputStream.java:163)
at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:78)
at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:90)
at com.sun.webpane.webkit.network.URLLoader.receiveResponse(URLLoader.java:471)
at com.sun.webpane.webkit.network.URLLoader.doRun(URLLoader.java:142)
at com.sun.webpane.webkit.network.URLLoader.access$000(URLLoader.java:44)
at com.sun.webpane.webkit.network.URLLoader$1.run(URLLoader.java:106)
at com.sun.webpane.webkit.network.URLLoader$1.run(URLLoader.java:103)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.webpane.webkit.network.URLLoader.run(URLLoader.java:103)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)