java.lang.NullPointerException
        at org.netbeans.modules.scala.stdplatform.platformdefinition.DefaultPlatformImpl.getBootstrapLibraries(DefaultPlatformImpl.java:171)
        at org.netbeans.modules.scala.project.classpath.BootClassPathImplementation.getResources(BootClassPathImplementation.java:108)
        at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:295)
        at org.netbeans.modules.parsing.impl.indexing.PathRegistry.createResources(PathRegistry.java:577)
        at org.netbeans.modules.parsing.impl.indexing.PathRegistry.getSources(PathRegistry.java:213)
        at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:2039)
        at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$InitialRootsWork.getDone(RepositoryUpdater.java:2538)
        at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:1523)
        at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:2824)
        at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:2771)
        at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:581)
        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:637)