java.lang.SecurityException: sealing violation
   at org.netbeans.JarClassLoader.doLoadClass(JarClassLoader.java:265)
   at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:259)
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:187)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   at java.lang.ClassLoader.defineClass1(ClassLoader.java:0)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:947)
   at org.netbeans.JarClassLoader.doLoadClass(JarClassLoader.java:311)
   at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:259)
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:187)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   at java.lang.ClassLoader.defineClass1(ClassLoader.java:0)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:947)
   at org.netbeans.JarClassLoader.doLoadClass(JarClassLoader.java:311)
   at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:259)
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:187)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   at org.netbeans.modules.java.source.indexing.JavaBinaryIndexer$Factory.createIndexer(JavaBinaryIndexer.java:237)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.indexBinary(RepositoryUpdater.java:3108)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork$3.call(RepositoryUpdater.java:5353)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork$3.call(RepositoryUpdater.java:5324)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$4.run(RepositoryUpdater.java:2150)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2146)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2135)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.access$2100(RepositoryUpdater.java:159)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanBinary(RepositoryUpdater.java:5382)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork$1.apply(RepositoryUpdater.java:5289)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork$1.apply(RepositoryUpdater.java:5286)
   at org.netbeans.modules.parsing.impl.indexing.IndexBinaryWorkPool$Task.call(IndexBinaryWorkPool.java:204)
   at org.netbeans.modules.parsing.impl.indexing.IndexBinaryWorkPool$Task.call(IndexBinaryWorkPool.java:185)
   at java.util.concurrent.FutureTask.run(FutureTask.java:264)
Caused: java.util.concurrent.ExecutionException: java.lang.SecurityException: sealing violation
   at java.util.concurrent.FutureTask.report(FutureTask.java:122)
   at java.util.concurrent.FutureTask.get(FutureTask.java:191)
   at org.netbeans.modules.parsing.impl.indexing.IndexBinaryWorkPool$ConcurrentStrategy.execute(IndexBinaryWorkPool.java:165)
   at org.netbeans.modules.parsing.impl.indexing.IndexBinaryWorkPool.execute(IndexBinaryWorkPool.java:90)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanBinaries(RepositoryUpdater.java:5303)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:5051)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$InitialRootsWork.getDone(RepositoryUpdater.java:5836)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3435)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:6198)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4300(RepositoryUpdater.java:5849)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2$1.run(RepositoryUpdater.java:6114)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304)
   at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:106)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6110)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6106)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:6106)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
   at java.util.concurrent.FutureTask.run(FutureTask.java:264)
   at org.openide.util.RequestProcessor$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)