Ah, good point. I think it should be pretty straightforward to reproduce. I don't think it makes much difference what java application runs, but if you want to run the exact same application, you can get it here :
https://oss.sonatype.org/content/repositories/public/io/hawt/hawtio-app/1.5.3/hawtio-app-1.5.3.jar Martin ons. 6. sep. 2017 kl. 09:15 skrev David Holmes <david.hol...@oracle.com>: > On 6/09/2017 5:13 PM, Martin Skarsaune wrote: > > Martins-MacBook-Pro-2:Downloads marska$ java -version > > > > java version "9" > > > > Java(TM) SE Runtime Environment (build 9+181) > > > > Java HotSpot(TM) 64-Bit Server VM (build 9+181, mixed mode) > > > > > > Also included in the first message ;-) > > It wasn't clear that process 11700 was running the exact same JVM. > > Thanks, > David > > > > > ons. 6. sep. 2017 kl. 09:10 skrev David Holmes <david.hol...@oracle.com > > <mailto:david.hol...@oracle.com>>: > > > > Hi Martin, > > > > On 6/09/2017 5:00 PM, Martin Skarsaune wrote: > > > Hi David > > > > > > Details below. > > > > What does "java -version" show for that JVM please. > > > > Thanks, > > David > > > > > Cheers > > > > > > Martin > > > > > > Martins-MacBook-Pro-2:Downloads marska$ > > > > /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin/*jcmd > > > 11700 VM.command_line* > > > > > > 11700: > > > > > > VM Arguments: > > > > > > java_command: hawtio-app-1.5.3.jar > > > > > > java_class_path (initial): hawtio-app-1.5.3.jar > > > > > > Launcher Type: SUN_STANDARD > > > > > > Martins-MacBook-Pro-2:Downloads marska$ > > > > /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin/*jcmd > > > 11700 help* > > > > > > 11700: > > > > > > The following commands are available: > > > > > > JFR.configure > > > > > > JFR.stop > > > > > > JFR.start > > > > > > JFR.dump > > > > > > JFR.check > > > > > > VM.log > > > > > > VM.native_memory > > > > > > ManagementAgent.status > > > > > > ManagementAgent.stop > > > > > > ManagementAgent.start_local > > > > > > ManagementAgent.start > > > > > > Compiler.directives_clear > > > > > > Compiler.directives_remove > > > > > > Compiler.directives_add > > > > > > Compiler.directives_print > > > > > > VM.print_touched_methods > > > > > > Compiler.codecache > > > > > > Compiler.codelist > > > > > > Compiler.queue > > > > > > VM.classloader_stats > > > > > > Thread.print > > > > > > JVMTI.data_dump > > > > > > JVMTI.agent_load > > > > > > VM.stringtable > > > > > > VM.symboltable > > > > > > VM.class_hierarchy > > > > > > GC.class_stats > > > > > > GC.class_histogram > > > > > > GC.heap_dump > > > > > > GC.finalizer_info > > > > > > GC.heap_info > > > > > > GC.run_finalization > > > > > > GC.run > > > > > > VM.info > > > > > > VM.uptime > > > > > > VM.dynlibs > > > > > > VM.set_flag > > > > > > VM.flags > > > > > > VM.system_properties > > > > > > VM.command_line > > > > > > VM.version > > > > > > help > > > > > > > > > For more information about a specific command use 'help > <command>'. > > > > > > Martins-MacBook-Pro-2:Downloads marska$ > > > > > > > > > ons. 6. sep. 2017 kl. 08:53 skrev David Holmes > > <david.hol...@oracle.com <mailto:david.hol...@oracle.com> > > > <mailto:david.hol...@oracle.com <mailto:david.hol...@oracle.com > >>>: > > > > > > Hi Martin, > > > > > > On 6/09/2017 4:38 PM, Martin Skarsaune wrote: > > > > Hi > > > > > > > > If I run *JFR.check* in build 9+181 , the response > > indicates that > > > I can > > > > invoke *VM.unlock_commercial_features*. > > > > This command is not available in the given VM. > > > > > > > > The output should not refer to this command i VM where it > > is not > > > available. > > > > > > > > Cheers > > > > > > > > Martin Skarsaune > > > > > > > > > > > > Example: > > > > > > > > Martins-MacBook-Pro-2:Downloads marska$ java -version > > > > > > > > java version "9" > > > > > > > > Java(TM) SE Runtime Environment (build 9+181) > > > > > > > > Java HotSpot(TM) 64-Bit Server VM (build 9+181, mixed mode) > > > > > > > > Martins-MacBook-Pro-2:Downloads marska$ > > > > > > > > > /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin/jcmd > > 11700 > > > > JFR.check > > > > > > > > 11700: > > > > > > What JVM is process 11700? What does "jcmd 11700 help" show? > > > > > > Thanks, > > > David > > > ----- > > > > > > > Java Flight Recorder not enabled. > > > > > > > > > > > > Use VM.unlock_commercial_features to enable. > > > > > > > > > > > > > >