org.openide.loaders.DataObjectNotFoundException: C:\Projects\FreeForms\WebApplication1\web\index.jsp
        at org.openide.loaders.DataObject.find(DataObject.java:498)
        at org.netbeans.modules.gsf.api.CompilationInfo.getDocument(CompilationInfo.java:111)
        at org.netbeans.modules.gsfret.editor.fold.GsfFoldManager$JavaElementFoldTask.gsfFoldScan(GsfFoldManager.java:308)
        at org.netbeans.modules.gsfret.editor.fold.GsfFoldManager$JavaElementFoldTask.run(GsfFoldManager.java:287)
        at org.netbeans.modules.gsfret.editor.fold.GsfFoldManager$JavaElementFoldTask.run(GsfFoldManager.java:246)
        at org.netbeans.napi.gsfret.source.Source$CompilationJob.run(Source.java:1278)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
org.openide.filesystems.FileStateInvalidException: C:\Projects\FreeForms\WebApplication1\web\index.jsp
        at org.openide.loaders.DataObject.find(DataObject.java:478)
        at org.netbeans.modules.gsf.api.CompilationInfo.getDocument(CompilationInfo.java:111)
        at org.netbeans.modules.gsfret.editor.fold.GsfFoldManager$JavaElementFoldTask.gsfFoldScan(GsfFoldManager.java:308)
        at org.netbeans.modules.gsfret.editor.fold.GsfFoldManager$JavaElementFoldTask.run(GsfFoldManager.java:287)
        at org.netbeans.modules.gsfret.editor.fold.GsfFoldManager$JavaElementFoldTask.run(GsfFoldManager.java:246)
        at org.netbeans.napi.gsfret.source.Source$CompilationJob.run(Source.java:1278)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)