The service org.netbeans.modules.debugger.jpda.js.FirstSourceURLProvider can not be instantiated. Context = null Caused: java.lang.NoSuchMethodException: org.netbeans.modules.debugger.jpda.js.FirstSourceURLProvider.() at java.lang.Class.getConstructor0(Class.java:3069) Caused: java.lang.InstantiationException: org.netbeans.modules.debugger.jpda.js.FirstSourceURLProvider at java.lang.Class.newInstance(Class.java:418) at org.netbeans.spi.debugger.ContextAwareSupport.createInstance(ContextAwareSupport.java:137) at org.netbeans.spi.debugger.jpda.SourcePathProvider$ContextAware.forContext(SourcePathProvider.java:178) at org.netbeans.spi.debugger.jpda.SourcePathProvider$ContextAware.forContext(SourcePathProvider.java:169) at org.netbeans.api.debugger.Lookup$MetaInf$MetaInfLookupList$LazyInstance.getEntry(Lookup.java:1078) at org.netbeans.api.debugger.Lookup$LookupList$LookupLazyEntry.get(Lookup.java:1296) at org.netbeans.api.debugger.LazyArrayList.get(LazyArrayList.java:161) at org.netbeans.api.debugger.LazyArrayList$Itr.next(LazyArrayList.java:222) at org.netbeans.modules.web.debug.EngineContextProviderImpl.getDefaultContext(EngineContextProviderImpl.java:152) at org.netbeans.modules.web.debug.EngineContextProviderImpl.getURL(EngineContextProviderImpl.java:135) at org.netbeans.modules.debugger.jpda.ui.SourcePath$CompoundContextProvider.getURL(SourcePath.java:757) at org.netbeans.modules.debugger.jpda.ui.SourcePath$CompoundContextProvider.getURL(SourcePath.java:757) at org.netbeans.modules.debugger.jpda.ui.SourcePath$CompoundContextProvider.getURL(SourcePath.java:757) at org.netbeans.modules.debugger.jpda.ui.SourcePath.getURL(SourcePath.java:157) at org.netbeans.modules.debugger.jpda.ui.SourcePath.getURL(SourcePath.java:335) at org.netbeans.modules.debugger.jpda.ui.SourcePath.getURL(SourcePath.java:362) at org.netbeans.modules.debugger.jpda.ui.SourcePath.getURL(SourcePath.java:354) at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener.getTheURL(CurrentThreadAnnotationListener.java:348) at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener.access$1600(CurrentThreadAnnotationListener.java:77) at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.run(CurrentThreadAnnotationListener.java:654) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)