---------------- stderr ----------------
Exception in thread "main" java.lang.InternalError: Remote thread failed for unknown reason
at sun.tools.attach.VirtualMachineImpl.enqueue(jdk.attach@9-internal/Native Method)
at sun.tools.attach.VirtualMachineImpl.<init>(jdk.attach@9-internal/VirtualMachineImpl.java:62)
at sun.tools.attach.AttachProviderImpl.attachVirtualMachine(jdk.attach@9-internal/AttachProviderImpl.java:69)
at com.sun.tools.attach.VirtualMachine.attach(jdk.attach@9-internal/VirtualMachine.java:207)
at sun.tools.jcmd.JCmd.executeCommandForPid(jdk.jcmd@9-internal/JCmd.java:114)
at sun.tools.jcmd.JCmd.main(jdk.jcmd@9-internal/JCmd.java:98)