(64/308) 531 - Lilypond plugin crashes

(bug submitted by: auke@jongbloed.net)

The lilypond plugin needs Sidekick 0.33 to run.
However, only versions 0.2 (for jEdit 4.1) and version
0.4 (for jEdit 4.3) are available at the moment.
According to the documentation the lilypond plugin
needs jEdit 4.2 to work. But jEdit4.2 doesn't work with
eithe Sidekid 0.2 or 0.4.

I treid the lilypond plugin on jEdit 4.3/Sidekick 0.4,
but it crashes with the following error:

java.lang.UnsupportedClassVersionError:
lilytool/LilyMenuProvider (Unsupported major.minor
version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at
org.gjt.sp.jedit.JARClassLoader._loadClass(JARClassLoader.java:366)
at
org.gjt.sp.jedit.JARClassLoader.loadClass(JARClassLoader.java:82)
at java.lang.ClassLoader.loadClass(Unknown Source)
at
bsh.BshClassManager.plainClassForName(BshClassManager.java:224)
at
bsh.BshClassManager.classForName(BshClassManager.java:170)
at bsh.NameSpace.classForName(NameSpace.java:1265)
at bsh.NameSpace.getClassImpl(NameSpace.java:1165)
at bsh.NameSpace.getClass(NameSpace.java:1106)
at bsh.Name.consumeNextObjectField(Name.java:301)
at bsh.Name.toObject(Name.java:202)
at bsh.Name.toObject(Name.java:185)
at bsh.Name.invokeMethod(Name.java:830)
at
bsh.BSHMethodInvocation.eval(BSHMethodInvocation.java:72)
at
bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:102)
at
bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:47)
at bsh.Interpreter.eval(Interpreter.java:641)
at bsh.Interpreter.eval(Interpreter.java:731)
at bsh.Interpreter.eval(Interpreter.java:720)
at org.gjt.sp.jedit.BeanShell._eval(BeanShell.java:430)
at org.gjt.sp.jedit.BeanShell.eval(BeanShell.java:394)
at
org.gjt.sp.jedit.menu.EnhancedMenu.init(EnhancedMenu.java:114)
at
org.gjt.sp.jedit.menu.EnhancedMenu.menuSelected(EnhancedMenu.java:99)
at javax.swing.JMenu.fireMenuSelected(Unknown Source)
at
javax.swing.JMenu$MenuChangeListener.stateChanged(Unknown
Source)
at
javax.swing.DefaultButtonModel.fireStateChanged(Unknown
Source)
at javax.swing.DefaultButtonModel.setSelected(Unknown
Source)
at javax.swing.JMenu.setSelected(Unknown Source)
at javax.swing.JMenu.menuSelectionChanged(Unknown Source)
at
javax.swing.MenuSelectionManager.setSelectedPath(Unknown
Source)
at
javax.swing.plaf.basic.BasicMenuUI$MouseInputHandler.mouseEntered(Unknown
Source)
at java.awt.Component.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.trackMouseEnterExit(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.pumpOneEventForHierarchy(Unknown
Source)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown
Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

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