I am now getting this when I try to open an EPUB document. I have Jeuclid in dist/lib/jeuclid. Any idea what has broken it? K Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory at net.sourceforge.jeuclid.swt.MathRenderer.<clinit>(MathRenderer.java:60) at org.brailleblaster.mathml.ImageCreator.createImage(ImageCreator.java:29) at org.brailleblaster.perspectives.braille.views.wp.TextView.setMathML(TextView.java:575) at org.brailleblaster.perspectives.braille.Manager.initializeMathML(Manager.java:447) at org.brailleblaster.perspectives.braille.Manager.initializeViews(Manager.java:410) at org.brailleblaster.perspectives.braille.Manager.initializeViews(Manager.java:420) at org.brailleblaster.perspectives.braille.Manager.initializeViews(Manager.java:420) at org.brailleblaster.perspectives.braille.Manager.initializeAllViews(Manager.java:369) at org.brailleblaster.perspectives.braille.Manager.openDocument(Manager.java:354) at org.brailleblaster.perspectives.braille.Manager.fileOpenDialog(Manager.java:292) at org.brailleblaster.perspectives.braille.ui.BrailleMenu$2.widgetSelected(BrailleMenu.java:133) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) at org.brailleblaster.wordprocessor.WPManager.<init>(WPManager.java:155) at org.brailleblaster.Main.main(Main.java:55) Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 18 more