echo "export PATH=\$PATH:/usr/lib/jvm/java-17-openjdk-amd64/bin" >> ~/.bashrc source ~/.bashrc
Or simply:
# Find the Java process ID ps aux | grep java install jstack on ubuntu
Reviewed by: A Frustrated Dev on Production Box
Once you have the PID (e.g., 12345 ), run jstack to output the thread dump to your terminal: jstack 12345 Use code with caution. 3. Save the Thread Dump to a File The Fix: Run jstack with sudo -u ,
You are running jstack as a different user than the user running the Java application. The Fix: Run jstack with sudo -u , matching the exact owner of the Java process. sudo -u tomcat jstack > dump.txt Use code with caution. Error: "well-known file is not secure"
Add the following lines to your ~/.bashrc file: It prints Java thread stack traces for a
Or, to find all jstack executables on your system:
How to Install jstack on Ubuntu: A Complete Guide The jstack command-line utility is an essential tool for Java developers and system administrators. It prints Java thread stack traces for a given Java process, helping you diagnose performance bottlenecks, deadlocks, and high CPU usage.
By following these steps, you should now have jstack installed on your Ubuntu system and be able to use it to troubleshoot Java applications.