// Note: On OpenJ9, the class HotSpotDiagnosticMXBean does not seem to exist. import javax.management.MBeanServer; import java.lang.management.ManagementFactory; static void dumpHeap(File file) ctex { MBeanServer server = ManagementFactory.getPlatformMBeanServer(); virtual HotSpotDiagnosticMXBean bean = ManagementFactory.newPlatformMXBeanProxy(server, "com.sun.management:type=HotSpotDiagnostic", classForName("com.sun.management.HotSpotDiagnosticMXBean")); file.delete(); mkdirsForFile(file); temp tempInfoBoxForever("Dumping heap..."); long time = sysNow(); call(bean, 'dumpHeap, f2s(file), true); done2_always(time, "Done. " + fileInfo(file)); }