Install Jstack On Ubuntu File
# Add Oracle's repository (example for JDK 17) sudo add-apt-repository ppa:linuxuprising/java sudo apt update sudo apt install oracle-java17-installer
To generate a thread dump with jcmd :
sudo update-alternatives --config java sudo update-alternatives --config javac install jstack on ubuntu
Imagine you are a developer troubleshooting a frozen Java application on a fresh Ubuntu server. You try to run jstack , but the terminal mockingly replies: command not found .
FROM ubuntu:22.04 RUN apt update && apt install -y openjdk-17-jdk # Add Oracle's repository (example for JDK 17)
# Ensure JDK version matches the Java process version java -version jstack -version
This will typically return a path like /usr/bin/jstack , which is often a symbolic link to the actual binary in the JDK directory. (Note the path displayed
(Note the path displayed, for example: /usr/lib/jvm/java-17-openjdk-amd64/ ) Open your environment file: sudo nano /etc/environment Use code with caution.
Now that you have JStack installed, let's walk through a basic example of how to use it:
ps -ef | grep java
jcmd