Error while instanciating the plugin :
Caused by : java.lang.ClassNotFoundException: icy.gui.frame.IcyFrame$IcyInternalFrame
java.lang.NoClassDefFoundError: icy/gui/frame/IcyFrame$IcyInternalFrame
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at org.xeustechnologies.jcl.JarClassLoader.access$000(JarClassLoader.java:50)
at org.xeustechnologies.jcl.JarClassLoader$LocalLoader.loadClass(JarClassLoader.java:257)
at org.xeustechnologies.jcl.AbstractClassLoader.loadClass(AbstractClassLoader.java:106)
at org.xeustechnologies.jcl.AbstractClassLoader.loadClass(AbstractClassLoader.java:79)
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at icy.plugin.PluginLauncher.launch(PluginLauncher.java:79)
at icy.gui.menu.MainRibbon$2.actionPerformed(MainRibbon.java:177)
at org.pushingpixels.flamingo.api.common.AbstractCommandButton.fireActionPerformed(AbstractCommandButton.java:614)
at org.pushingpixels.flamingo.api.common.AbstractCommandButton$ActionHandler.actionPerformed(AbstractCommandButton.java:566)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at org.pushingpixels.flamingo.api.common.model.ActionRepeatableButtonModel.setPressed(ActionRepeatableButtonModel.java:123)
at org.pushingpixels.flamingo.internal.ui.common.BasicCommandButtonListener.mouseReleased(BasicCommandButtonListener.java:147)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.