java.lang.NoClassDefFoundError: com/welovecoding/nbeditorconfig/listener/ProjectOpenCloseListener at com.welovecoding.nbeditorconfig.listener.ProjectHookLookup.createAdditionalLookup(ProjectHookLookup.java:53) at org.netbeans.spi.project.support.DelegatingLookupImpl.doDelegate(DelegatingLookupImpl.java:139) at org.netbeans.spi.project.support.DelegatingLookupImpl.(DelegatingLookupImpl.java:91) at org.netbeans.spi.project.support.LookupProviderSupport.createCompositeLookup(LookupProviderSupport.java:95) at org.netbeans.modules.web.clientproject.ClientSideProject.createLookup(ClientSideProject.java:585) at org.netbeans.modules.web.clientproject.ClientSideProject.(ClientSideProject.java:231) at org.netbeans.modules.web.clientproject.ant.AntServices.factory(AntServices.java:178) Caused: java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor28.invoke(GeneratedMethodAccessor28.java:0) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) Caused: java.lang.IllegalArgumentException: java.lang.reflect.InvocationTargetException at org.netbeans.modules.project.ant.AntBasedGenericType.createProject(AntBasedGenericType.java:140) at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.loadProject(AntBasedProjectFactorySingleton.java:264) at org.netbeans.modules.projectapi.nb.NbProjectManager.createProject(NbProjectManager.java:401) at org.netbeans.modules.projectapi.nb.NbProjectManager.access$300(NbProjectManager.java:94) at org.netbeans.modules.projectapi.nb.NbProjectManager$2.run(NbProjectManager.java:314) at org.netbeans.modules.projectapi.nb.NbProjectManager$2.run(NbProjectManager.java:243) at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:209) at org.openide.util.Mutex.readAccess(Mutex.java:250) at org.netbeans.modules.projectapi.nb.NbProjectManager.findProject(NbProjectManager.java:243) at org.netbeans.api.project.ProjectManager.findProject(ProjectManager.java:167) at org.netbeans.modules.projectapi.SimpleFileOwnerQueryImplementation.getOwner(SimpleFileOwnerQueryImplementation.java:161) at org.netbeans.api.project.FileOwnerQuery.getOwner(FileOwnerQuery.java:116) at org.netbeans.modules.csl.core.ProjectClassPathProvider.findClassPath(ProjectClassPathProvider.java:66) at org.netbeans.api.java.classpath.ClassPath.getClassPath(ClassPath.java:676) at org.netbeans.modules.parsing.impl.indexing.errors.Utilities.getSourceClassPathFor(Utilities.java:86) at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.computePersistentFile(TaskCache.java:459) at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.getErrors(TaskCache.java:144) at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.isInError(TaskCache.java:384) at org.netbeans.modules.parsing.ui.indexing.errors.ErrorAnnotator$1.run(ErrorAnnotator.java:311) at org.openide.util.RequestProcessor$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)