Device Monitor does not open

Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option MaxPermSize; support was removed in 8.0 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.eclipse.osgi.internal.baseadaptor.BaseStorage (file:/Users/claudiu/Library/Android/sdk/tools/lib/monitor-x86_64/plugins/org.eclipse.osgi_3.8.2.v20130124-134944.jar) to method WARNING: Please consider reporting this to the maintainers of org.eclipse.osgi.internal.baseadaptor.BaseStorage WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release