エラーメッセージ java.lang.NoClassDefFoundError: org/gjtsp/jedit/pluginmgr/PluginManager at org.gjt.sp.jedit.pluginmgr.PluginManager.init(PluginManager.java:163) at org.gjt.sp.jedit.pluginmgr.PluginManager.<init>(PluginManager.java:149) at org.gjt.sp.jedit.pluginmgr.PluginManager.showPluginManager(PluginManager.java:102) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.gjt.sp.jedit.bsh.Reflect.invokeMethod(Reflect.java:134) at org.gjt.sp.jedit.bsh.Reflect.invokeStaticMethod(Reflect.java:98) at org.gjt.sp.jedit.bsh.Name.invokeMethod(Name.java:871) at org.gjt.sp.jedit.bsh.BSHMethodInvocation.eval(BSHMethodInvocation.java:75) at org.gjt.sp.jedit.bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:102) at org.gjt.sp.jedit.bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:47) at org.gjt.sp.jedit.bsh.BSHBlock.evalBlock(BSHBlock.java:130) at org.gjt.sp.jedit.bsh.BSHBlock.eval(BSHBlock.java:80) at org.gjt.sp.jedit.bsh.BshMethod.invokeImpl(BshMethod.java:362) at org.gjt.sp.jedit.bsh.BshMethod.invoke(BshMethod.java:258) at org.gjt.sp.jedit.bsh.BshMethod.invoke(BshMethod.java:186) at org.gjt.sp.jedit.BeanShell.runCachedBlock(BeanShell.java:509) at org.gjt.sp.jedit.BeanShellAction.invoke(BeanShellAction.java:76) at org.gjt.sp.jedit.gui.InputHandler.invokeAction(InputHandler.java:418) at org.gjt.sp.jedit.jEdit$3.invokeAction(jEdit.java:2967) at org.gjt.sp.jedit.EditAction$Wrapper.actionPerformed(EditAction.java:264) (以下略