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Could not open PerfMemory
java.lang.Exception: Could not openPerfMemory at sun.misc.Perf.attach(Native Method) at sun.misc.Perf.attachImpl(Perf.java:253) at sun.misc.Perf.attach(Perf.java:183) at sun.management.ConnectorAddressLink.importFrom(ConnectorAddressLink.java:66) at sun.tools.jconsole.JConsole.main(JConsole.java:779)