Install Jstack On Ubuntu -

jstack <PID> Replace <PID> with the actual PID of the Java application that you want to troubleshoot.

ps -ef | grep java This will display a list of all Java processes that are currently running on your system, along with their PIDs. Once you have the PID of the Java application, you can run jstack using the following command: install jstack on ubuntu

jstack -version This should display the version of jstack that is installed on your system. To use jstack, you will need to know the process ID (PID) of the Java application that you want to troubleshoot. You can find the PID of a Java application using the following command: jstack &lt;PID&gt; Replace &lt;PID&gt; with the actual PID