java.lang.ClassNotFoundException: Cannot instantiate org.netbeans.modules.javadoc.JavadocBracesMatcher for MultiFileObject@1d0757e[Editors/text/x-javadoc/BracesMatchers/org-netbeans-modules-javadoc-JavadocBracesMatcher.instance]
        at org.openide.loaders.InstanceSupport.instanceCreate(InstanceSupport.java:208)
        at org.openide.loaders.InstanceDataObject$Ser.instanceCreate(InstanceDataObject.java:1192)
        at org.openide.loaders.InstanceDataObject.instanceCreate(InstanceDataObject.java:695)
        at org.netbeans.modules.editor.mimelookup.impl.FolderPathLookup$ICItem.getInstance(FolderPathLookup.java:235)
        at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:897)
        at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:457)
        at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:400)
        at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:457)
        at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:400)
        at org.openide.util.Lookup.lookupAll(Lookup.java:215)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher.findFactories(MasterMatcher.java:343)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher.access$600(MasterMatcher.java:52)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher$Result.findOrigin(MasterMatcher.java:557)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher$Result.run(MasterMatcher.java:464)
        at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1162)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher$Result.run(MasterMatcher.java:433)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:539)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:964)
java.lang.InterruptedException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
        at java.lang.Class.newInstance0(Class.java:350)
        at java.lang.Class.newInstance(Class.java:303)
        at org.openide.loaders.InstanceSupport.instanceCreate(InstanceSupport.java:197)
        at org.openide.loaders.InstanceDataObject$Ser.instanceCreate(InstanceDataObject.java:1192)
        at org.openide.loaders.InstanceDataObject.instanceCreate(InstanceDataObject.java:695)
        at org.netbeans.modules.editor.mimelookup.impl.FolderPathLookup$ICItem.getInstance(FolderPathLookup.java:235)
        at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:897)
        at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:457)
        at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:400)
        at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:457)
        at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:400)
        at org.openide.util.Lookup.lookupAll(Lookup.java:215)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher.findFactories(MasterMatcher.java:343)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher.access$600(MasterMatcher.java:52)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher$Result.findOrigin(MasterMatcher.java:557)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher$Result.run(MasterMatcher.java:464)
        at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1162)
        at org.netbeans.modules.editor.bracesmatching.MasterMatcher$Result.run(MasterMatcher.java:433)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:539)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:964)
Bad file: MultiFileObject@1d0757e[Editors/text/x-javadoc/BracesMatchers/org-netbeans-modules-javadoc-JavadocBracesMatcher.instance]