I'm not in a position to teach you how to use the Java tools, but:
(1) You want to use the JDK, and
(2) The utility you want to run to get a thread dump is jstack (distributed
with the JDK).  If you can't attach to the process, there's a switch to
force attachment: -F

Karl
On Wed, Jun 13, 2018 at 5:26 AM Bisonti Mario <[EMAIL PROTECTED]>
wrote: