java.lang.NullPointerException
   at org.netbeans.modules.j2ee.sun.ide.sunresources.resourcesloader.SunResourceDataObject.getResource(SunResourceDataObject.java:191)
   at org.netbeans.modules.j2ee.sun.ide.sunresources.resourcesloader.SunResourceDataObject.<init>(SunResourceDataObject.java:123)
   at org.netbeans.modules.j2ee.sun.ide.sunresources.resourcesloader.SunResourceDataLoader.createMultiObject(SunResourceDataLoader.java:97)
   at org.openide.loaders.MultiFileLoader.handleFindDataObject(MultiFileLoader.java:153)
   at org.openide.loaders.DataObjectPool.handleFindDataObject(DataObjectPool.java:161)
   at org.openide.loaders.DataLoader.findDataObject(DataLoader.java:407)
   at org.openide.loaders.DataLoader.findDataObject(DataLoader.java:380)
   at org.openide.loaders.DataLoaderPool.findDataObject(DataLoaderPool.java:535)
   at org.openide.loaders.DataLoaderPool.findDataObject(DataLoaderPool.java:493)
   at org.openide.loaders.DataObject.find(DataObject.java:566)
   at org.netbeans.spi.search.impl.VisibilityFilter.isPrimaryFile(VisibilityFilter.java:92)
   at org.netbeans.spi.search.impl.VisibilityFilter.searchFile(VisibilityFilter.java:76)
   at org.netbeans.api.search.provider.impl.FilterHelper.fileAllowed(FilterHelper.java:143)
   at org.netbeans.api.search.provider.impl.SimpleSearchIterator.checkFileFilters(SimpleSearchIterator.java:228)
   at org.netbeans.api.search.provider.impl.SimpleSearchIterator.update(SimpleSearchIterator.java:159)
   at org.netbeans.api.search.provider.impl.SimpleSearchIterator.hasNext(SimpleSearchIterator.java:127)
   at org.netbeans.modules.search.BasicComposition.start(BasicComposition.java:99)
   at org.netbeans.modules.search.SearchTask.run(SearchTask.java:117)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)