java.lang.AssertionError
	at org.netbeans.modules.ruby.rubyproject.api.RubyInstallation.getRubyStubs(RubyInstallation.java:456)
	at org.netbeans.modules.ruby.rubyproject.api.RubyInstallation$1.getResources(RubyInstallation.java:781)
	at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:272)
	at org.netbeans.modules.ruby.rubyproject.api.RubyInstallation.getClassPathEntries(RubyInstallation.java:881)
	at org.netbeans.modules.ruby.rubyproject.classpath.BootClassPathImplementation.getResources(BootClassPathImplementation.java:67)
	at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:272)
	at org.netbeans.modules.java.source.classpath.GlobalSourcePath.createResources(GlobalSourcePath.java:185)
	at org.netbeans.modules.java.source.classpath.GlobalSourcePath.access$1200(GlobalSourcePath.java:60)
	at org.netbeans.modules.java.source.classpath.GlobalSourcePath$SourcePathImplementation.getResources(GlobalSourcePath.java:430)
	at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:272)
	at org.netbeans.modules.java.source.usages.RepositoryUpdater$CompileWorker$1.run(RepositoryUpdater.java:679)
	at org.netbeans.modules.java.source.usages.RepositoryUpdater$CompileWorker$1.run(RepositoryUpdater.java:645)
	at org.netbeans.modules.java.source.usages.ClassIndexManager.writeLock(ClassIndexManager.java:49)
	at org.netbeans.modules.java.source.usages.RepositoryUpdater$CompileWorker.run(RepositoryUpdater.java:642)
	at org.netbeans.modules.java.source.usages.RepositoryUpdater$CompileWorker.run(RepositoryUpdater.java:617)
	at org.netbeans.api.java.source.JavaSource$CompilationJob.run(JavaSource.java:1112)
	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$Worker.runTask(ThreadPoolExecutor.java:885)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
[catch] at java.lang.Thread.run(Thread.java:619)



java.lang.IllegalArgumentException: Project RubyApplication42 is not open and cannot be set as main.
	at org.netbeans.modules.project.ui.OpenProjectList.setMainProject(OpenProjectList.java:474)
[catch] at org.netbeans.modules.project.ui.actions.NewProject$2.run(NewProject.java:175)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)