java.lang.IllegalAccessException: Class org.netbeans.modules.sampler.SamplesOutputStream can not access a member of class sun.management.ThreadInfoCompositeData (module java.management) with modifiers "public static", module java.management does not export sun.management to at sun.reflect.Reflection.throwIllegalAccessException(Reflection.java:453) at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:128) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:370) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:362) at java.lang.reflect.Method.invoke(Method.java:524) Caused: java.lang.RuntimeException: java.lang.IllegalAccessException: Class org.netbeans.modules.sampler.SamplesOutputStream can not access a member of class sun.management.ThreadInfoCompositeData (module java.management) with modifiers "public static", module java.management does not export sun.management to at org.netbeans.modules.sampler.SamplesOutputStream.toCompositeData(SamplesOutputStream.java:203) at org.netbeans.modules.sampler.SamplesOutputStream.access$400(SamplesOutputStream.java:67) at org.netbeans.modules.sampler.SamplesOutputStream$Sample.writeToStream(SamplesOutputStream.java:308) at org.netbeans.modules.sampler.SamplesOutputStream$Sample.access$300(SamplesOutputStream.java:276) at org.netbeans.modules.sampler.SamplesOutputStream.close(SamplesOutputStream.java:225) at org.netbeans.modules.sampler.Sampler.stopSampling(Sampler.java:254) at org.netbeans.modules.sampler.Sampler.stopAndWriteTo(Sampler.java:220) at org.netbeans.core.TimableEventQueue$1R.run(TimableEventQueue.java:246) at org.openide.util.RequestProcessor$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)